Peaceful Dental Care

Our Practice


Welcome to Peaceful Dental Care!

Here, our professionals know that dental health is not just about white smiles: it’s about having strong teeth and healthy gums. It’s about prolonging the simple joy of eating delicious things! Our mission is to help our patients accomplish these goals in a peaceful, painless, compassionate, and efficient way.


Lei Xu, DMD, DSc, MS

Dr. Lei Xu graduated from the University of Pennsylvania with his Doctor of Dental Medicine (DMD) degree; he earned his Doctor of Science (DSc) in Oral Biology from Boston University. Dr. Xu is licensed to practice General Dentistry in New Jersey and Pennsylvania.

Before he came to the United States for continuing dental education, Dr. Xu was a general dentist and then an oral surgeon in China. He practiced in the largest oral surgery hospital in Shanghai, China for many years.

With over 20 years of experience in the dental field, Dr. Lei Xu practices in all aspects of dentistry, with emphases on implants, oral surgery, dental sleep medicine, restorative dentistry, and cosmetic dentistry.

His Practice Philosophy is as follows:

  • Do unto others as you would have them do unto you. We treat you as if you are our family members.
  • Treat person, not teeth. We will evaluate your overall medical and dental conditions and provide you the best treatment options. We respect you and your decisions.
  • Be Responsive. We will respond to all your concerns in a timely manner. We will schedule your emergency or regular visits as soon as possible, usually with the same day or week.
  • Be Efficient. We respect your time. We strive to keep your waiting and clinical time as short as possible.

Dr. Xu currently lives in Bucks County, PA with his wife and two children. His hobbies include sports, traveling, music and reading.




Nana S., Registered Dental Hygienist in PA, NJ

Nana has extensive experience in dental field. She worked as a dental assistant with Dr. Lei Xu over 13 years ago in a Philadelphia dental office. She then was admitted by Harcum College Dental Hygiene program, one of the best and most competitive dental hygiene programs in the country. She graduated with honor from the program and is working full-time as a Registered Dental Hygienist.

Nana is gentle and caring. She listens to patients' needs and then communicates with dentist to find the best treat plan. She gives comprehensive and detailed oral hygiene instructions to patients to help them maintain their dental health.

She loves seeing children!


Agata, Office Manager

If you have questions about your appointments, insurance coverage and copayments, treatment financial arrangements or any other questions, Agata is there to help you!

Agata has over 10 years of experience in business administration and customer services in medical and dental offices. She has a profound knowledge of dental and medical insurances and billings. She will work with you and support you every step of the way on your treatment.

Feel free to call and ask Agata questions.