6/3/2020 UPDATE Regarding COVID-19

AC Dental Practice of Langhorne, PA

Dr. Simon Oh was recently selected as a Top 40 Dentist in the United States Under 40 by Incisal Edge, the nation’s premier dental magazine. Congrats Dr. Oh!

We are proud to have Dr. Simon Oh, voted by his peers as TOP DENTAL IMPLANT DOCTOR in Philadelphia Magazine.  At AC Dental of Langhorne, we pride ourselves on providing personalized care at the cutting edge of technique and technology. Our doctors and staff work together to perform each and every treatment with the utmost professionalism and expertise. We provide each patient with a positive, comfortable, and relaxing experience so that going to the dentist can be something our patients look forward to. Every team member in our dental office is dedicated to making you feel right at home every time you visit. We provide personalized dental care for patients in Fairless Hills, Langhorne, and Levittown who are in need of restorative, cosmetic, or emergency dental care.

We cover virtually all dental services under one roof — from teeth implants and periodontics to fillings and teeth cleanings, you’ll notice the difference the moment you enter the dental office at AC Dental of Langhorne.

The Featured Profile of Dr. Oh
local dentist levittown


The Best in Langhorne

We utilize the most advanced procedures and treatments in General Dentistry, Endodontic, Periodontic, Orthodontic, Oral Surgery and Implant services.  We will help you get and maintain a healthy beautiful smile.

Photo of Dentist Dr. Jack Rainieri, DMD - Founder Advanced Dental


Dr. Simon Oh, DDS, FICOI

Dr. Simon Oh grew up in Maryland where he received his Bachelors of Science at the University of Maryland – College Park in Physiology and Neurobiology. He then graduated with honors at the University of Maryland Dental School, where he achieved the highest national board scores in his class. He was a member of several honors societies, including the OKU honors society, and won many scholarships for academic and clinical achievement. Dr. Oh was also the lead guitar player of his band, InciDental.

Care Credit


CareCredit Can Help!

Sometimes out-of-pocket costs can prevent you from getting the dental care you need. Fortunately CareCredit offers an affordable low-interest financial alternative that can allow you to obtain the care you need. Apply online today and take the first step toward a healthier, beautiful smile.


Patient Testimonials

“This is the best experience I have EVER had going to the dentist and I am very happy with the work that I had done.”
Shane E.
“Dr. Oh did the most unreal transformation of my teeth and truly changed my life. The staff is also some of the nicest people you could come across.”
Justin C.
“I never thought my teeth could look this good or that it would give me the confidence I have now. This was money well spent!”
Julie M.
Five Stars

“Dr. Oh did my implant a couple years ago and I am 100% happy with it. As a dentist myself, I wanted to make sure I was going to someone whose ability I can trust because I wanted the best results. I dealt with my broken tooth for YEARS and had pain every time I ate. Now I wish I would have done the implant much earlier! I fully trust Dr. Oh with my teeth and actually refer my patients to him as well. World class.”

Dr. Jean Kim DMD

Our Location


Our office is conveniently located on 110 Lincoln Highway, Fairless Hills, PA 19030.

When you schedule an “appointment”, we are reserving time only for you. Our doctors and staff are waiting for you at your scheduled time. We ask the you notify us if you will not be able to make your appointment. If you must change your appointment, please inform us at least 72 hours in advance so that we may adjust our schedule.

Phone (215) 269-6525


We are ready to brighten your smile & change your life. Call us today at (215) 269-6525 and let’s get started!