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Education & Training
Dr. O’Brien completed her undergraduate education from Rutgers University, graduating with high honors in psychology and biology. She was then accepted into the BA/DMD joint program through Rutgers University and New Jersey Dental School (formerly University of Medicine and Dentistry of New Jersey). After earning her DMD, Dr. O’Brien trained in a hospital residency at the Jersey Shore University Medical Center, where she remains involved as a resident supervisor for post-doctoral training.
In addition to her foundational dental education, Dr. O’Brien completed fellowship training from the Academy of General Dentistry—a prestigious program completed by only about 6% of general dentists in the U.S. and Canada. To achieve this status, Dr. O’Brien was required to pass a rigorous exam and demonstrate her lifelong dedication to continuing education, completing 500 credit hours of continuing education courses.
Dr. O’Brien is involved with organized dentistry through leadership positions within the Academy of General Dentistry and the New Jersey Dental Association. She is passionate about her profession and enjoys being involved.
Professional Associations
- Fellow of the Academy of General Dentistry
- Member of the American Dental Association
- Member of the New Jersey Dental Association
- Committee Member of the Legislative and Government Affairs of the Academy of General Dentistry
- Immediate Past President of the New Jersey Academy of General Dentistry
- Resident Supervisor of the Robert Wood Johnson Hospital Dental Clinic
- Chief Dentist at Traveling Dentists of New Jersey
When not helping patients at Cornerstone Dental in Green Brook, Dr. O’Brien lives in Middlesex County with her husband and two daughters.
What Is a Family Dentist?
A family dentist provides comprehensive oral health care for patients of all ages, from a child’s first dental visit to routine care and advanced treatment for adults and seniors. Instead of seeing separate specialists for different family members, a family dentist serves as one dental home where everyone’s needs are met under one roof.
Family dentists handle a wide range of services, including preventive cleanings, cavity fillings, gum care, and restorative treatments. Because they care for patients across every life stage, they develop a deep understanding of each person’s dental history, making it easier to catch problems early and provide truly personalized care.
Dr. O’Brien has always had a passion for family dentistry. With over 15 years of experience and advanced training across the full breadth of general dentistry, she genuinely enjoys treating families and giving every patient a warm, comfortable dental home at Cornerstone Dental in Green Brook.
How to Choose the Best Family Dentist?
Finding the right family dentist is one of the most important decisions you can make for your family’s long-term health. Here’s what to look for:
- Qualifications and continuing education. Look for a dentist who actively pursues advanced training. Credentials like the Fellowship in the Academy of General Dentistry (FAGD), earned by only about 6% of dentists in the U.S. and Canada, signal a true commitment to excellence.
- Experience treating all ages. A great family dentist should be equally comfortable with a nervous 6-year-old and an adult needing complex restorative work.
- A caring, personalized approach. A dentist who listens closely and tailors treatment to each patient’s unique needs will deliver better outcomes and a more comfortable experience.
- Community trust. Look for strong reviews from local families who speak to both clinical skill and the overall experience in the office.
Dr. O’Brien checks every one of these boxes. As a Fellowship-trained dentist, a Rutgers graduate, and a resident supervisor at Robert Wood Johnson Hospital, she brings exceptional credentials alongside a genuine love for helping families build healthy, lasting smiles. To schedule your family’s next visit, contact us today!
Dr. Arlene O’Brien is committed to helping patients achieve good oral health and obtain the smile of their dreams through a wide range of restorative, advanced, and cosmetic dental solutions. She truly cares about her patients’ well-being, listening closely to their concerns and tailoring treatment to address their unique needs. With over 15 years of dental experience in private practice, Dr. O’Brien has advanced skill in the full breadth of general and family dentistry. Dr. O’Brien enjoys treating families and providing people with a dental home.