Oral Radiology

Digital color x-rays are based on the same advanced technology that is used when nuclear physicists look for new elementary particles. The great scientific challenge in constructing a color x-ray camera is to be able to shrink the large-scale detection equipment used by nuclear physicists to the microscopic format.

CHICAGO, Illinois – Detection of calcified tissue in the carotid artery by dental x-rays is not enough evidence to estimate a patient’s stroke risk was the conclusion of a systematic literature review published in this month’s Journal of the American Dental Association (JADA).

DENVILLE, New Jersey – Lantis Laser Inc. (PINKSHEETS: LLSR), a New Jersey-based development company, is commercializing the application of a new emerging imaging modality, optical coherence tomography ("OCT"), for early detection of oral diseases such as caries (decay) and periodontal disease. Lantis has exclusive rights through Agreements with its Licensors.

BUFFALO, New York – When dentists see an unusual shadowy area of bone loss on an X-ray of the lower jawbone, they may be concerned and order a biopsy. In dental parlance, this strange formation may represent an "anterior variant of the mandibular lingual bone depression," a condition that may look serious, but actually is a harmless bone depression, a rare congenital anomaly that needs no further treatment.

BENSHEIM, Germany – Three years ago Sirona set new standards in digital radiography with the launch of its new SIDEXIS XG software. Already the first version supported the acquisition, analysis, editing and management of digital X-rays at the touch of a button. Since then the Sirona team has continuously enhanced the software in line with user requirements. One example is the ImplantPlus plug-in, which enables the dentist to visualize the position of planned implants in the patient’s jaw.

ROCHESTER, New York – Aspen Dental Management, Inc., and PracticeWorks Systems, LLC, a subsidiary of Eastman Kodak Company, have signed an agreement for all new Aspen dental practices across the Northeastern and Midwestern United States - 30 in total - to integrate Kodak digital radiography (DR) solutions.

CLEVELAND, Ohio – Cone beam computerized tomography (CBCT) increasingly has become the newest technology for orthodontists to use in diagnosing complicated oral health problems.

ST. PAUL, Minnesota - ST. PAUL, Minnesota – Aug. 25, 2005--Patterson Companies, Inc. (Nasdaq:PDCO) today reported consolidated sales of $595,847,000 for the first quarter of fiscal 2006 ended July 30, an increase of 9% from the year-earlier period on a comparable basis.

MELVILLE, New York - Henry Schein, Inc. (Nasdaq NM: HSIC), the largest provider of healthcare products and services to office-based practitioners in the combined North American and European markets, today reported financial results for the quarter ended June 25, 2005.

SANTA CLARA, California - Align Technology, Inc. (Nasdaq: ALGN), the inventor of Invisalign^®, a proprietary method of straightening teeth without wires and brackets, today reported financial results for the second quarter of 2005. Total revenues for the second quarter of 2005 were $53.9 million, compared to $44.2 million in the second quarter of 2004, an increase of 22.0 percent.

MELVILLE, New York - Henry Schein, Inc. (Nasdaq NM: HSIC), the largest provider of healthcare products and services to office-based practitioners in the combined North American and European markets, today reported financial results for the quarter ended March 26, 2005.

SANTA CLARA, California - Align Technology, Inc. (Nasdaq: ALGN), the inventor of Invisalign^®, a proprietary method of straightening teeth without wires and brackets, today reported financial results for the first quarter of 2005. Total revenues for the first quarter of 2005 were $51.2 million, compared to $39.2 million in the first quarter of 2004, an increase of 30.5 percent.

SANTA CLARA, California - Align Technology, Inc. (Nasdaq: ALGN), the inventor of Invisalign^®, a proprietary method of straightening teeth without wires and brackets, today announced that subsequent to the January 26, 2005 earnings announcement, a write-off in fixed assets at an international manufacturing facility yielded a minor change to Q4 and fiscal year 2004 net income. Both basic and diluted earnings per share (EPS) remain the same.

MELVILLE, New York - Henry Schein, Inc. (Nasdaq NM: HSIC), the largest provider of healthcare products and services to office-based practitioners in the combined North American and European markets, today reported financial results for the quarter ended December 25, 2004. On January 31, 2005 the Company announced a 2-for-1 stock split, in the form of a 100% stock dividend, which was paid on February 28, 2005 to shareholders of record as of February 15, 2005. Therefore, share and per-share figures in this news release are provided on a post-split basis.

ALBANY, New York – The American Dental Association (ADA) and Food and Drug Administration (FDA) have released new guidelines for prescribing dental radiographs.

SANTA CLARA, California - Align Technology, Inc. (Nasdaq: ALGN), the inventor of Invisalign^®, a proprietary method of straightening teeth without wires and brackets, today reported financial results for the fourth quarter and full year of 2004. Total revenues for the fourth quarter of 2004 were $43.7 million, compared to $45.8 million in the third quarter of 2004, a decrease of 4.6 percent, and $36.5 million in the fourth quarter of 2003, an increase of 19.6 percent. For fiscal year 2004, Align reported revenues of $172.8 million, compared to $122.7 million for fiscal year 2003, an increase of 40.8 percent.

METAIRIE, Louisiana -OCA, Inc. (NYSE:OCA) announced today its financial results for the third quarter and nine months ended September 30, 2004. As previously announced, the Company had delayed the announcement of these financial results and the filing of its Form 10-Q for the quarter ended September 30, 2004, because the Company had not yet completed its quarterly closing procedures for certain non-cash charges. The Company has filed the Form 10-Q with the Securities and Exchange Commission.

SANTA CLARA, California - Align Technology, Inc. (Nasdaq: ALGN), the inventor of Invisalign^®, a proprietary method of straightening teeth without wires and brackets, today announced a change in the company's policy regarding case refinement that provides more flexibility to Invisalign doctors and their patients. Case refinement refers to additional aligners that doctors may order toward the end of treatment to achieve their treatment goals or to further perfect final results for the patient. Invisalign doctors will now be able to order these additional aligners up to 180 days past the expected case completion date.

Panoramic dental x-rays can be used to help identify postmenopausal women with low skeletal bone mineral density (BMD), meaning that screening for spinal osteoporosis could begin in the dentist's office a new study shows.

HATFIELD, Pennsylvania – Imaging Sciences International, a global leader in the development and manufacturing of advanced dental and maxillofacial radiography products, today announced two exclusive distribution agreements in Asia. These new relationships continue the company's aggressive expansion into global markets, bringing Imaging Sciences' state-of-the-art, advanced 3-D dental imaging technology to dental professionals worldwide.

METAIRIE, Louisiana -OCA, Inc. (NYSE: OCA) today provided certain preliminary information about its financial results for the quarter and nine months ended September 30, 2004. The Company has not yet completed its quarterly closing procedures for certain non-cash charges, including a provision to increase the Company's allowance for assets associated with inactive practices and depreciation of fixed assets and leasehold improvements, and is delaying the filing of its Form 10-Q for the quarter ended September 30, 2004, until the Company completes the procedures.

HATFIELD, Pennsylvania – Imaging Sciences International today announced that Joel L. Rosenlicht, D.M.D. is the first oral and maxillofacial surgeon in the Manchester, Connecticut area to implement Imaging Sciences' advanced 3-D imaging technology. The i-CAT™ gives dentists and specialists the most complete information on the anatomy of a patient's mouth, face, and jaw areas, which leads to the most accurate treatment and predictable outcomes for dental surgical procedures.

YORK, Pennsylvania -DENTSPLY International Inc. (NASDAQ:XRAY) today announced record sales and earnings for the quarter ended September 30, 2004. Net sales increased 4.0% to $390.6 million compared to $375.5 million reported for the third quarter of 2003. Net sales, excluding precious metal content, increased 5.1% in the third quarter of 2004.

MELVILLE, New York - Henry Schein, Inc. (Nasdaq NM: HSIC), the largest provider of healthcare products and services to office-based practitioners in the combined North American and European markets, today reported financial results for the quarter ended September 25, 2004.

SANTA CLARA, California - Align Technology, Inc. (Nasdaq: ALGN), the inventor of Invisalign^®, a proprietary method of straightening teeth without wires and brackets, today reported financial results for the third quarter of 2004. Total revenues for the third quarter of 2004 were $45.8 million, compared to $34.0 million in the third quarter of 2003, an increase of 34.5 percent, and $44.2 million in the second quarter of 2004, an increase of 3.5 percent.

BUFFALO, New York – Medical researchers have known for years now that there's a definite link between dental disease and persons' risk for a heart disease. Thankfully, there is new research which finds that dental x-rays can now detect a patients chance of having a future heart attack.

METAIRIE, Louisiana - Orthodontic Centers of America, Inc. (NYSE: OCA) today announced that a federal judge has awarded approximately $301,000 in damages to the Company in connection with counterclaims filed by the Company against Dr. David C. Hobson in the U.S. District Court for the Eastern District of California. In addition, the doctor is to repay approximately $81,000 of indebtedness to the Company. OCA also announced that, following a three week trial, a jury rendered a verdict in favor of the Company on the doctor's claim that the Company had breached its fiduciary duty to the doctor. The jury also found that the Company was in breach of a provision in the doctor's business services and awarded the doctor approximately $82,000 in damages. The Company intends to file a motion with the court seeking an award of attorneys' fees as the prevailing party in the litigation.

METAIRIE, Louisiana - Orthodontic Centers of America, Inc. (NYSE: OCA) today announced its financial results for the second quarter and six months ended June 30, 2004.

METAIRIE, Louisiana - Orthodontic Centers of America, Inc. (NYSE:OCA), today announced that it will report earnings for the second quarter ended June 30, 2004, after the market closes today, Monday, August 9, 2004. The Company's management will host a conference call and webcast to discuss the earnings release at 10:00 a.m. Eastern time on Tuesday, August 10, 2004.

MELVILLE, New York - Henry Schein, Inc. (Nasdaq NM: HSIC), the largest provider of healthcare products and services to office-based practitioners in the combined North American and European markets, today reported financial results for the quarter ended June 26, 2004.

YORK, Pennsylvania -DENTSPLY International Inc. (NASDAQ:XRAY) today announced record sales and earnings for the quarter ended June 30, 2004. Net sales increased 7.8% to $425.3 million compared to $394.5 million reported for the second quarter of 2003. Net sales, excluding precious metal content, increased 7.3% in the second quarter of 2004.

ORANGE, California -Sybron Dental Specialties, Inc. (NYSE: SYD), a leading manufacturer of a broad range of value-added products for the dental and orthodontic professions including the specialty markets of endodontics and infection prevention, announced today its financial results for its third fiscal quarter ended June 30, 2004.

METAIRIE, Louisiana - Orthodontic Centers of America, Inc. (NYSE: OCA) today announced that it has filed its Quarterly Report on Form 10-Q for the quarter ended March 31, 2004 with the Securities and Exchange Commission.

METAIRIE, Louisiana - Orthodontic Centers of America, Inc. (NYSE: OCA) today announced that it has adopted Financial Accounting Standards Board (FASB) Interpretation No. 46R, Consolidation of Variable Interest Entities - an Interpretation of ARB No. 51 (FIN 46R). FIN 46R, which was issued in December 2003, requires the consolidation of financial results of variable interest entities, or VIEs, in certain circumstances if a company has an ownership, contractual or other financial interests in the VIEs.

WALNUT CREEK, California -BriteSmile, Inc. (Nasdaq: BSML), the leading international provider of state-of-the-art teeth- whitening systems, today released results for the quarter ended March 27, 2004. Total revenues increased by $2.8 million, or 31%, to $11.8 million for the first quarter ended March 27, 2004, from $9.0 million for the first quarter ended March 29, 2003.

SEATTLE, Washington – Research conducted at the University of Washington School of Dentistry shows that women who have dental X-rays during pregnancy are three times as likely to have a low-birth-weight, full-term baby as women who did not have diagnostic X-rays during pregnancy. The research by Dr. Philippe Hujoel, professor of dental public health sciences, and his colleagues is being published in the April 28 edition of the Journal of the American Medical Association. The study was funded in part by the Washington State Dental Service Foundation.

CHICAGO, Illinois – Recently published research associating pregnant women's exposure to dental X-rays with low-weight births reinforces the importance of the American Dental Associations long-standing recommendation that, in addition to abdominal shielding (e.g., protective aprons), dentists should use thyroid collars on all patients whenever practical to minimize radiation exposure. ADA recommendations for using leaded aprons and collars were first published in 1989 and reinforced in updated guidelines in 2001.

ORANGE, California -Sybron Dental Specialties, Inc. (NYSE: SYD), a leading manufacturer of value-added products for the dental and orthodontic professions and products for use in infection prevention, announced today its financial results for its second fiscal quarter ended March 31, 2004.

MELVILLE, New York - Henry Schein, Inc. (Nasdaq NM: HSIC), the largest provider of healthcare products and services to office-based practitioners in the combined North American and European markets, today reported financial results for the quarter ended March 27, 2004.

YORK, Pennsylvania -DENTSPLY International Inc. (NASDAQ:XRAY) today announced record sales and earnings for the quarter ended March 31, 2004. Net sales increased 11.9% to $415.4 million compared to $371.2 million reported for the first quarter of 2003. Net sales, excluding precious metal content, increased 13.3% in the first quarter of 2004, reflecting an improvement in the rate of organic growth and the benefit of currency translation.

HOUSTON, Texas - Castle Dental Centers, Inc. (OTC Bulletin Board: CASL - News) today reported that it earned net income of $4.1 million, or $0.02 cents per share, for the three months ended December 31, 2003, compared to a net loss of $3.2 million, or $0.04 per share, in the fourth quarter of 2002. Per share data for 2003 are based on average fully diluted shares outstanding of 217.3 million shares in the fourth quarter 2003 compared to average fully diluted shares of 74.1 million in the fourth quarter 2002. Net income in the fourth quarter of 2003 included a benefit for income taxes of $4.2 million related to the recognition of deferred tax assets that had previously been fully reserved.

WALNUT CREEK, California -BriteSmile, Inc. (Nasdaq: BSML), the leading international provider of state-of-the-art teeth- whitening systems, today released an addendum to its earnings release previously issued on March 15, 2004 providing updated results for the year ended December 27, 2003.

METAIRIE, Louisiana - Orthodontic Centers of America, Inc. (NYSE: OCA) today announced its financial results for the fourth quarter and year ended December 31, 2003.

WALNUT CREEK, California -BriteSmile, Inc. (Nasdaq: BSML), the leading international provider of state-of-the-art teeth- whitening systems, today released results for the year ended December 27, 2003. Total revenue for 2003 was $43.8 million as compared with $39.3 million for 2002 – representing an 11% increase. In 2003, 163,857 procedures were performed compared with 156,149 in 2002 – representing a 5% increase.

MELVILLE, New York - Henry Schein, Inc. (Nasdaq NM:HSIC), the largest provider of healthcare products and services to office-based practitioners in the combined North American and European markets, today reported financial results for the quarter and year ended December 27, 2003.

SANTA CLARA, California - Align Technology, Inc. (Nasdaq: ALGN), the inventor of Invisalign, a proprietary method of straightening teeth without wires and brackets, announced today the conclusion of legal arbitration proceedings initiated by Discus Dental Impressions (Discus).

MELVILLE, New York - Henry Schein, Inc. (NASDAQ:HSIC) and the American Dental Association (ADA) will open trading at the NASDAQ marketplace this morning to celebrate the second annual Give Kids A Smile^SM Day, a program that provides free oral health services to more than one million underserved children in communities across the country. This annual one-day initiative from the ADA enlists over 35,000 dental team members, including more than 14,000 volunteer dentists, who provide free educational, preventive and restorative services to children from low-income families.

YORK, Pennsylvania -DENTSPLY International Inc. (NASDAQ:XRAY) today announced record sales and earnings for the year ended December 31, 2003. Sales in 2003 increased 10.8% to $1.57 billion compared to $1.42 billion reported for 2002. Sales excluding precious metals, increased 11.0% for all of 2003. Sales growth was aided by currency translation as the US dollar weakened throughout 2003.

ORANGE, California -Sybron Dental Specialties, Inc. (NYSE: SYD), a leading manufacturer of value-added products for the dental and orthodontic professions and products for use in infection prevention, announced today its financial results for its first fiscal quarter ended December 31, 2003.

CHICAGO, Illinois – More than one million Americans will be diagnosed with cancer each year, and about 40 percent will develop serious mouth problems as the result of head and neck radiation therapy and chemotherapy. Severe oral complications, such as the patient's inability to eat and drink, often force doctors to delay or stop the radiation treatment.

HOUSTON, Texas -

Quarterly Report

Item 2. MANAGEMENT'S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION AND RESULTS OF OPERATIONS

WALNUT CREEK, California - BriteSmile, Inc. (Nasdaq: BSML), a leading international provider of a state-of-the-art teeth whitening system, today reported results for the third quarter 2003.

METAIRIE, Louisiana - Orthodontic Centers of America, Inc. (NYSE: OCA) today announced its financial results for the third quarter and nine months ended September 30, 2003.

MELVILLE, New York - Henry Schein, Inc. (Nasdaq NM: HSIC), the largest provider of healthcare products and services to office-based practitioners in the combined North American and European markets, today reported record third quarter financial results.

METAIRIE, Louisiana - Orthodontic Centers of America, Inc. (NYSE:OCA) today announced its financial results for the second quarter and six months ended June 30, 2003.

WALNUT CREEK, California - BriteSmile, Inc. (Nasdaq: BSML), the leading international provider of a state-of-the-art teeth whitening system, today reported second quarter 2003 results that showed a significant improvement. Revenue for the second quarter of 2003 was $10.98 million, versus revenue for the second quarter of 2002 of $11.01 million, a slight 0.3% reduction.

MELVILLE, New York - Henry Schein, Inc. (Nasdaq NM: HSIC), the largest provider of healthcare products and services to office-based practitioners in the combined North American and European markets, today reported record second quarter financial results.

WALNUT CREEK, California - BriteSmile, Inc. (Nasdaq: BSML), the leading international provider of a state-of-the-art teeth whitening system, reported today its first quarter 2003 results. When compared with the same quarter for 2002, revenue for 2003 was slightly below last year (-3.8%) while earnings per share showed a vast 39.4% improvement. Of particular interest was March where BriteSmile realized a positive operating cash flow of over $638,000 or 15.5% of sales and a modest net income of 1.7% of sales.

MELVILLE, New York - Henry Schein, Inc. (Nasdaq NM: HSIC), the largest provider of healthcare products and services to office-based practitioners in the combined North American and European markets, today reported record first quarter financial results.

BELLEVUE, Washington - More Than One-half of Pharmaceutical, Health Care and Health Care Wholesale Firms Don't Respond to Web Site Inquiries; But 80 Percent of Medical Products and Equipment Firms Do The Customer Respect Group, an international research and consulting firm that focuses on how corporations treat their customers online, today released the results of its 300-page Spring 2003 Online Customer Respect Study of the country's largest pharmaceutical, health care products and services firms.

WALNUT CREEK, California -BriteSmile, Inc. (Nasdaq: BSML), the leading international provider of a state-of-the-art teeth-whitening system, today released results for the year ended December 28, 2002.

MELVILLE, New York - Henry Schein, Inc. (Nasdaq NM: HSIC), the largest provider of healthcare products and services to office-based practitioners in the combined North American and European markets, today reported financial results for the fourth quarter and full year ended December 28, 2002.

ST. PAUL, Minnesota - Patterson Dental Company (PDCO) today reported consolidated sales of $421,070,000 for the third quarter of fiscal 2003 ended January 25, an increase of 18% from $357,394,000 in the year-earlier quarter. Net income increased 19% to $30,102,000 or $0.44 per diluted share, from $24,832,000 or $0.36 per diluted share in the third quarter of fiscal 2002.

ST. PAUL, Minnesota - Patterson Dental Company (Nasdaq:PDCO) today reported consolidated sales of $400,821,000 for the second quarter of fiscal 2003 ended October 26,an increase of 12.9% from $355,018,000 in the year-earlier quarter. Net income increased 18.3% to $27,545,000 or $0.40 per diluted share, from $23,282,000 or $0.34 per diluted share in the second quarter of fiscal 2002. The recurring portion of a mandatory change in accounting for goodwill contributed approximately $390,000 or less than $0.01 per diluted share to second quarter earnings and is expected to total approximately $0.02 per diluted share for the full-year fiscal 2003.

MELVILLE, New York - Henry Schein, Inc. (Nasdaq NM: HSIC), the largest provider of healthcare products and services to office-based practitioners in the combined North American and European markets, today reported financial results for the three months ended September 28, 2002.

WALNUT CREEK, California -BriteSmile, Inc. (Nasdaq: BSML), the leading international provider of a state-of-the-art teeth whitening system, today reported its third quarter 2002 earnings results.

METAIRIE, Louisiana - Orthodontic Centers of America, Inc. (NYSE: OCA) today announced that it will proceed with its previously scheduled earnings release and conference call on Thursday, August 8, 2002, with the conference call scheduled to begin at 2:00 p.m. Eastern Daylight Time.

METAIRIE, Louisiana - Orthodontic Centers of America, Inc. (NYSE: OCA) today announced strong financial results for the second quarter ended June 30, 2002. Bart F. Palmisano, Sr., Chief Executive Officer, said, "We are pleased with our positive financial results in the second quarter. Our investment in our expansive network of affiliated practices is yielding great returns for us, and we are pleased about the direction of our Company."

METAIRIE, Lousiana - Orthodontic Centers of America, Inc. (NYSE: OCA) today announced that it will record a non-recurring recruiting related charge in the amount of $7.95 million (net of income tax benefit), or $0.16 per diluted share, for the second quarter ended June 30, 2002. Excluding the effect of this non-recurring charge, the Company expects its second quarter earnings to be in line with its previously announced estimate of $0.39 per diluted share.

MELVILLE, New York - Henry Schein, Inc. (Nasdaq NM: HSIC), the largest provider of healthcare products and services to office-based practitioners in the combined North American and European markets, today reported financial results for the three months ended June 29, 2002.

WALNUT CREEK, California -BriteSmile, Inc. (Nasdaq: BSML), the leading international provider of a new state-of-the-art teeth whitening system, today announced continued revenue growth for the second quarter of 2002.

METAIRIE, Lousiana - In conjunction with Orthodonic Centers of America's (NYSE: OCA) Annual Shareholders Meeting you are invited to listen to its audio webcast that will be broadcast live over the Internet on May 17th at 10:00 AM CDT.

METAIRIE, Lousiana - Orthodontic Centers of America, Inc. (NYSE: OCA) today announced record financial results for the first quarter ended March 31, 2002. Bart Palmisano, Sr., Chief Executive Officer, said, "We are pleased with the continued growth of our business. Our results for the first quarter of 2002 confirm that our business continues to be resistant to economic cycles and our time-tested business model delivers value to shareholders quarter after quarter."

MELVILLE, New York - Henry Schein, Inc. (Nasdaq: HSIC), the largest provider of healthcare products and services to office-based practitioners in the combined North American and European markets, today reported financial results for the three months ended March 30, 2002.

MELVILLE, New York - Henry Schein, Inc. (Nasdaq: HSIC), the largest provider of healthcare products and services to office-based practitioners in the combined North American and European markets, today reported financial results for the three months ended March 30, 2002..

WALNUT CREEK, California -BriteSmile, Inc. (Nasdaq: BSML), the leading international provider of a new state-of-the-art teeth whitening system, today announced revenue growth for the first quarter 2002.

WALNUT CREEK, California -BriteSmile, Inc. (Nasdaq: BSML), the leading international provider of a state-of-the-art teeth whitening system, today released record results for the year ended December 29, 2001.

MELVILLE, New York - Henry Schein, Inc. (Nasdaq: HSIC), the largest provider of healthcare supplies to office-based practitioners in the combined North American and European markets, today announced financial results for the 2001 fourth quarter and full year.

METAIRIE, Louisiana - Orthodontic Centers of America, Inc. (NYSE: OCA) today announced record financial results for the fourth quarter and year ended December 31, 2001. Bart Palmisano, Sr., Chief Executive Officer, said, "We are extremely pleased with our excellent performance during the fourth quarter and for the year 2001. We continue to apply time-tested principles and innovative approaches to enhance the productivity and profitability of our affiliated orthodontists' practices. Furthermore, our powerful suite of integrated business services promotes sustained positive growth. It all comes down to a few key factors – superior execution, sound discipline, and a winning economic model."

MELVILLE, New York - Henry Schein, Inc. (Nasdaq:HSIC), the largest provider of healthcare supplies to office-based practitioners in the combined North American and European markets, today announced financial results for the third quarter of 2001.

WALNUT CREEK, California -BriteSmile Inc. (Nasdaq: BSML), the leading international provider of a new state-of-the-art teeth whitening system, today announced solid results for the third quarter ended September 29, 2001.

METAIRIE, Lousiana - Orthodontic Centers of America, Inc. (NYSE: OCA) today announced record financial results for the third quarter ended September 30, 2001. Bart Palmisano, Sr., Chief Executive Officer, President and Chairman of the Board of OCA, said, "We are extremely pleased with our record third quarter performance. As our affiliated orthodontists continue to witness steady, strong demand for orthodontic treatment, we continue to leverage the significant capacity latent in our network of affiliated orthodontic centers. OCA's proven ability to add value at the practice continues to translate into superior growth."

MELVILLE, New York - Henry Schein, Inc. (Nasdaq: HSIC), the largest provider of healthcare supplies to office-based practitioners in the combined North American and European markets, today announced financial results for the second quarter of 2001.

WALNUT CREEK, California - BriteSmile, Inc. (Nasdaq: BSML), the leading international provider of a new state-of-the-art teeth-whitening system, today announced record results for the second quarter ended June 30, 2001.

METAIRIE, Louisiana - Orthodontic Centers of America, Inc. (NYSE: OCA) today announced record financial results for the second quarter ended June 30, 2001. Bart Palmisano, Sr., Chief Executive Officer, President and Chairman of the Board of OCA, said, "We are extremely pleased with our superlative second quarter performance. Our proven ability to add tangible value to our existing orthodontic centers continues to translate into superior internal growth. Furthermore, our capacity to build new centers in attractive markets, and our success in affiliating with orthodontists and integrating existing orthodontic facilities continue to be additional cornerstones in our successful strategy."

METAIRIE, Louisiana - Orthodontic Centers of America, Inc. (NYSE: OCA) today announced record financial results for the first quarter ended March 31, 2001. Bart Palmisano, Sr., Chief Executive Officer, said, "We are extremely pleased with our superlative first quarter performance. Our proven ability to add tangible value to our existing orthodontic centers continues to translate into superior internal growth. Furthermore, our capacity to build new centers in attractive markets, and our success in affiliating with orthodontists and integrating existing orthodontic facilities continue to be additional cornerstones in our successful strategy."

WALNUT CREEK, California -BriteSmile, Inc. (Nasdaq: BSML), the leading international provider of a new state-of-the-art teeth-whitening system, announced today record results for the first quarter ended March 31, 2001.

The management of BriteSmile, Inc. (Nasdaq: BSML) cordially invites you to participate in the company's 1st Quarter 2001 results conference call.

WALNUT CREEK, California -BriteSmile, Inc. (Nasdaq: BSML), the leading international provider of a new state-of-the-art teeth-whitening system, announced today record results for the year ending December 30, 2000.

MELVILLE, New York - Henry Schein, Inc. (Nasdaq: HSIC), the largest provider of healthcare supplies to office-based practitioners in the combined North American and European markets, today announced financial results for the fourth quarter and full-year 2000.

METAIRIE, Louisiana - Orthodontic Centers of America, Inc. (NYSE: OCA) today announced record financial results for the fourth quarter and year ended December 31, 2000. Bart Palmisano, Sr., Chief Executive Officer, said, "We are extremely pleased with our superlative performance during the fourth quarter and for the year 2000. Our proven ability to add tangible value to our existing orthodontic centers continues to translate into superior internal growth. Furthermore, our capacity to build new centers in attractive markets, and our success in affiliating with orthodontists and integrating existing orthodontic facilities continue to be cornerstones in our successful strategy.

ROCHESTER, New York – Findings on a wide-angle or panoramic dental radiograph (x-ray) uncovered a patient's critically clogged neck arteries, prompting potentially life-saving treatment, according to a case study in the November 2000 issue of The Journal of the American Dental Association.

MELVILLE, New York - Henry Schein, Inc. (Nasdaq: HSIC), the largest provider of healthcare supplies to office-based practitioners in the combined North American and European markets, today announced financial results for the third quarter of 2000.

WALNUT CREEK, California -BriteSmile, Inc. (Nasdaq: BSML), the leading international provider of a new state-of-the-art teeth-whitening system, today announced record revenues for the second quarter ended September 30, 2000.

PONTE VEDRA BEACH, Florida - Orthodontic Centers of America, Inc. (NYSE: OCA) today announced record financial results for the third quarter ended September 30, 2000. Bart Palmisano, Sr., Chief Executive Officer of Orthodontic Centers of America, Inc., said, "We are extremely pleased with our superlative third quarter 2000 performance. Our proven ability to add tangible value to our existing orthodontic centers continues to translate into superior internal growth. Furthermore, our capacity to build new centers in attractive markets, and our success in affiliating with orthodontists and integrating existing orthodontic facilities continue to be cornerstones in our successful strategy."

MELVILLE, New York - Henry Schein, Inc. (Nasdaq: HSIC), the world's largest provider of healthcare supplies to office-based practitioners in the combined North American and European markets, today announced financial results for the second quarter of 2000.

PONTE VEDRA BEACH, Florida - Orthodontic Centers of America, Inc. (NYSE: OCA) today announced record financial results for the second quarter ended June 30, 2000. Dr. Gasper Lazzara, Jr., Chairman of Orthodontic Centers of America, Inc., said, "We are extremely pleased with our superlative second quarter 2000 performance. Our proven ability to add tangible value to our existing orthodontic centers continues to translate into superior internal growth. Furthermore, our capacity to build new centers in attractive markets and our success in affiliating with orthodontists and integrating existing orthodontic facilities continue to be cornerstones in our successful strategy.

MELVILLE, New York - Henry Schein, Inc. (Nasdaq: HSIC) today announced financial results for the 2000 first quarter.

PONTE VEDRA BEACH, Florida - Orthodontic Centers of America, Inc. (NYSE: OCA) today announced record financial results for the first quarter ended March 31, 2000. Dr. Gasper Lazzara, Jr., Chairman and Co-Chief Executive Officer of Orthodontic Centers of America, Inc., said, "We are extremely pleased with our superlative first quarter 2000 performance. Our proven ability to add tangible value to our existing orthodontic centers continues to translate into superior internal growth. Furthermore, our capacity to build new centers in attractive markets, and our success in affiliating with orthodontists and integrating existing orthodontic facilities continue to be additional cornerstones in our successful strategy. Most importantly, our sustained success is directly attributable to all of the OCA orthodontists and their staff who serve their patients every day and produced the exceptional performance for the first quarter.''

MELVILLE, New York - Henry Schein, Inc. (Nasdaq: HSIC) today announced financial results for the 1999 fourth quarter and year.

PONTE VEDRA BEACH, Florida - Orthodontic Centers of America, Inc. (NYSE:OCA) today announced record financial results for the fourth quarter and year ended December 31, 1999.

MELVILLE, New York - Henry Schein, Inc. (NASDAQ: HSIC) today announced financial results for the 1999 third quarter.

WASHINGTON, District of Columbia – This report intends to assist American manufacturers of dentalequipment and supplies that want to export their products into Mexico for the first time, to understand the current status of the Mexican market for their products. It also provides contacts that can assist or inform U.S. exporters in their endeavor to introduce their products to the Mexican market.

MELVILLE, New York - Henry Schein, Inc. (Nasdaq: HSIC) today announced that continued strong operating margin expansion contributed to solid financial results for the second quarter ended June 26, 1999, compared to restated results for the same period of 1998.

MELVILLE, New York - Henry Schein, Inc. (Nasdaq: HSIC) today announced that strong operating margin expansion contributed to record financial results for the first quarter ended March 27, 1999, compared to restated results for 1998.

MELVILLE, New York - Henry Schein, Inc. (Nasdaq: HSIC), today announced financial results for the third quarter and year-to-date ended September 26, 1998, compared to restated results for 1997.

NEW YORK, New York – As new technologies are introduced and equipment prices continue to drop, digital radiography will rapidly replace conventional dental X-rays and provide several benefits to the patient, according to endodontists speaking here at the American Association of Endodontists' (AAE) 55th Annual Session.

MELVILLE, New York - Henry Schein, Inc. (Nasdaq: HSIC) today announced financial results for the first quarter ended March 28, 1998, compared to restated results for 1997.

MELVILLE, New York - Henry Schein, Inc. (Nasdaq: HSIC) today announced financial results for the fourth quarter and full year ended December 27, 1997, compared to restated results for 1996.