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Five convenient locations! Waukesha (262) 547-8665 Oconomowoc (262) 567-9167 Johnson Creek (920) 699-3730 Mukwonago (262) 368-2980 Slinger (262) 222-5599


OMSA is open Monday, Tuesday, Wednesday, and Thursday from 8am until 5pm. On Fridays from 8am until 4pm. We will schedule your appointment as promptly as possible.


Dental implants are changing the way people live. They are designed to provide a foundation for replacement teeth that look, feel, and function like natural teeth.


At OMSA, we make every effort to provide you with the finest surgical care and the most convenient financial options.

Welcome to Our Website

Oral and Maxillofacial Surgery Associates (OMSA) was initially founded in 1953 by Dr. F. Allen Ledward in Waukesha, Wisconsin. Drs. Franklin Grunske and Ronald Ward subsequently joined the practice as full partners. OMSA was established to provide a very high caliber of oral surgery and post-operative treatment protocols.

The practice has continued to grow in order to meet patient expectations. OMSA now includes seven oral surgeons with four offices serving patients in the Waukesha, Oconomowoc, Johnson CreekMukwonago, and Slinger areas.


Our mission is to:

  • furnish full-scope, state-of-the-art, personalized services to our patients.
  • provide informed, friendly, caring staff for the benefit of patients and referring doctors.
  • provide flexibility of appointment scheduling, case planning, and financial/insurance matters.
  • provide thorough follow-up on patient care.


Our clinical staff is trained annually in Basic Life Support and our doctors are trained in Advanced Life Support.
We utilize the latest in infection control measures throughout each of our four offices to protect our patients.