About our Practice

Tri-County Oral-Facial Surgeons, P.C., established in 1961, is an independent group surgical practice specializing in treatments of the mouth, teeth, jaw, and facial structures. We work with you and others on your medical team, such as your family dentist, orthodontist, or physicians, to provide a complete range of therapy for diseases, injuries, defects, and reconstruction and aesthetic aspects of the neck, jaw, and face.

We provide quality patient care in a comfortable, healing environment. Our surgeon, Dr. Stephen L. Engroff, is experienced and certified by the American Board of Oral and Maxillofacial Surgery. He is trained in all aspects of oral and maxillofacial surgery and the administration of anesthesia to ensure your safety and comfort. Tri-County has a record of excellent patient care because of its highly skilled surgeons, knowledgeable professional patient care personnel, and compassionate office staff.

Our close affiliation with Mount Nittany Medical Center enables our patients to access care easily.

We are dedicated to providing our patients with consistent excellence in diagnosis and treatment in a relaxed and friendly environment. 

Associations & Accreditations

  1. AAOMS (American Association of Oral and Maxillofacial Surgeons)
  2. PDA  (Pennsylvania Dental Association)
  3. ADA (American Dental Association)
  4. PSOMS (Pennsylvania Society of Oral and Maxillofacial Surgeons)
  5. The Middle Atlantic Society of Oral and Maxillofacial Surgeons
  6. ADSA (American Dental Society of Anesthesiology)
  7. Joint Commission Accredited
In addition to the above, Dr. Engroff also belongs to:
  1. AMA (American Medical Association)
  2. Pennsylvania Medical Society


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