Dentistry: Cosmetic Dentistry Expert Witnesses: 6

John O. Winter, DDS, is a Dental Malpractice and Injury Expert with 20 years practicing as a full-time general dentist, and over 16 years as a knowledgeable and effective full time dental expert witness and consultant to attorneys and national insurance companies. 

Background Experience - In 1981, Dr. Winter entered private general dentistry practice in New York which provided a deep knowledge base of risk management and enhancement of the criteria in the evaluation of the Dental Standard of Care.  In 2002, he began a collaboration with major national insurance companies providing defense to claims of dental negligence and malpractice allegations. Dr. Winter is actively licensed by the state of New York to practice dentistry and is a member of the National Association of Dental Consultants. 

Dr. Winter has completed over 400 assignments on liability claims and suits ranging to one million dollar demands. He has saved insurance companies on aggregate over $10 million dollars in settlements and payouts.

Litigation Support - Dr. Winter's cases involve Dental Malpractice requiring an expert to provide dental records and case review for Certificate of Merit, Affidavit of Merit, Deposition and Testimony. His services are also available to Insurance Company dental claim managers requiring defense services for their dental claims and dentist-insured clients, and State Attorneys General requiring Medicaid investigation into dental treatment records and billing.

Dr. Winter can be counted on to be an ethical, respectful, well organized, and prompt worker. He possesses articulate and persuasive speaking abilities to effectively communicate complex dental procedures and terminology in understandable layman terms for client attorneys and juries, at depositions, and at court appearances.

Areas of Expertise:

Subject Matter Expert In Restorative Dentistry for Dental Board of California 

UCLA School of Dentistry Faculty

Private Practice General Dentist

Ardeshir S. Khou, DDS, specializes in Restorative Dentistry and is licensed to practice in multiple states. He has extensive experience treating patients of all ages in his West Los Angeles practice.

Dr. Khou serves as a faculty member and lecturer in the Division of Constitutive / Regenerative Sciences, Section of Restorative, at the UCLA School of Dentistry. In this capacity, he works with graduating dental students as they work on patients, and trains them in technical, clinical, ethical, and patient interaction skills. He is also a Certified Instructor of the American Heart Association and has trained dentists and dental auxiliary personnel in providing CPR and preventing Emergency scenarios in dental offices.

Litigation Support - Dr. Khou is also a Subject Matter Expert for the Dental Board of California. He has served as an expert in both Plaintiff and Defense cases. He has also been involved as a subject matter expert in numerous board complaints and pre-trial litigations and has worked on a wide range of dental standard of care issues.

Areas of Expertise:

Locations: 

• Oral and Maxillofacial Trauma
• Infections
• Oral Pathology Resection and Reconstruction
• Treatment of Obstructive Sleep Apnea Patients (surgical and non-surgical)
• Craniofacial Anomalies (orthognathic surgery / corrective jaw surgery)

• Oral Pathology
• Nerve Injuries
• TMJ Issues
• Oral Trauma
• Oral and Facial Fractures and Lacerations
• Injuries related to Extraction of Teeth
• Injuries related to Dental Implant \ Surgery
• Orthognathic Surgery Complications
• Head and Neck Infections related to Teeth and Salivary Glands

Vicki Petropoulos, DMD, MS, FACP, holds a B.A. from Smith College, a D.M.D. from Tufts University School of Dental Medicine, a Certificate in Prosthodontics as well as a M.S. in Oral Biology for her work in Implant Dentistry from Temple University’s Maurice H. Kornberg School of Dentistry.

Dr. Vicki Petropoulos is a Board Certified Prosthodontist with over 32 years of experience in Dentistry and Prosthodontics.  She is a Diplomate of the American Board of Prosthodontics, a Fellow of the Greater New York Academy of Prosthodontics, a Fellow of the American College of Prosthodontists and a member of the OKU Honorary Dental Society.  

Dr. Petropoulos has extensive teaching experience in her specialty having been a tenured faculty at the University of Pennsylvania’s School of Dental Medicine for 20 years where she was engaged in private practice, and critical research projects. She currently holds the distinction of Emeritus Standing Faculty from the University of Pennsylvania School of Dental Medicine.  She has been widely published with over 33 scientific publications in peer-reviewed journals in the areas of prosthodontics, implant dentistry and advanced restorative dentistry.   Additionally, she is a frequent lecturer at international, national and local dental conferences and dental societies.

During her career, Dr. Petropoulos  has received major Prosthodontic awards at both national and local levels in recognition for her excellence in patient care.  She is the recipient of the Charles E. English Award for her novel approach to delivering care for a patient.  In 2012, her treatment and passion for a complex reconstruction was showcased in the prestigious Journal of Prosthodontics’ special edition “Inspirational Cases in Prosthetic Dentistry” for her life changing treatment of a patient using implants which transformed their life.

Areas of Expertise: Dr. Petropoulos is experienced with over 20 years of providing opinion and testimony for the following areas:

Case Evaluation Screening Report and In Depth Report

Dr. Petropoulos has worked equally doing plaintiff work and defense work. She will review your case and determine its merit based on the applicable standard of care in dentistry and any deviations from those standards.  An opinion will be presented as to occurrence of malpractice / negligence.

She will also provide a comprehensive report which will include the case’s merit and applicable standards of care and deviations if any, and for the likelihood or absence of negligence and dental malpractice.

Willeam A. Choby, DMD, MPA, MAGD, FICCMO, DICOI, has over 40 years of experience Dentistry and Oral Surgery. He is a Board Certified Implant Dentist that perfoms both the Surgery and the Restoration of Implant Teeth. A “Master” in the Academy of General Dentistry (MAGD), Dr. Choby has been recognized by other general dentists as a leader and an example to other dentists of the importance of quality continuing dental education to patient care. Masters have accepted the charge to keep abreast of advances in dentistry for the benefit of patients and the betterment of dentistry. Dr. Choby is also a Fellow in the International College of Cranio-Mandibular Orthopedics (FICCMO), earned a Masters of Public Administration (MPA), and is a Diplomate of the International Congress of Oral Implantologists (DICOI). He is recognized as One of America's Top Dentists by the Consumers Research Council of America. Litigation Support - Dr. Choby's expertise is frequently called upon for second opinions for quality assurance companies, peer review panels, workmen's compensation disputes, automobile accident claims, dental insurance companies, physicians, attorneys, and other dentists. He has offered his expert opinion in more than 100 dental malpractice cases, inspected over 1,100 dental offices for insurance companies, and performed over 1,000 second opinion case reviews, IMEs and peer reviews. His cases have included issues concerning:

View Dr. Choby's Consulting Profile.