Consolidated Tribal Health Project
Healthy People. Healthy Families. Healthy Community.

Dental Services

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Dental Services

CTHP’s dental department works with our patients to help them achieve and maintain optimal oral health as part of their overall health and wellness. Our patients receive quality oral health care in a gentle, caring atmosphere by a team of highly qualified professionals.

Our Services

Exams with radiographs for treatment planning
Oral cancer screening at time or exam(initial and recall)
Preventive services (prophylaxis/scaling and root planning/periodontal screenings/sealants, oral health instruction)
Restorative treatment (fillings)
Prosthetics (dentures/partials/crown and bridge)
Limited oral surgery

Wisdom Smiles focuses on the unique oral health care needs of seniors and Elders.


To schedule an appointment, call 707-485-5115.

Cancellations / Rescheduling
Please call at least 24 hours in advance where possible. This allows us to accommodate other patients. Our appointments are booked several weeks and sometimes months ahead, so scheduling and keeping your appointments is critcal in helping you to keep your visits and oral health care treatment on track.

Clinic Hours
Monday to Friday
8 to 12 and 1 to 5



Mary Ann Gonzalez, D.D.S., Dental Director

Mary Ann Gonzalez has the distinction of being the longest serving employee at Consolidated Tribal Health Project. She started at CTHP as a staff dentist in 1987 doing treatment planning such as crown and bridge, root canals and some minor orthodontic services . Mary Ann initiated outreach to local Tribes to do dental screenings, provide oral health education and encourage parents and adults to schedule appointments for routine dental visits.

Mary Ann’s leadership and passion for community service have been instrumental in the development and implementation of many special programs and projects over the years that have promoted good oral health care practices as a preventive measure, provided access to care for Native American patients of all ages, treated patients with chronic health conditions and addressed the chronic problem of early childhood caries in young Native patients.

Learn more.


Will Mannion, D.D.S. Dentist

Dr. Mannion has a long history of serving as a dental provider in the community setting. Since 1993, he has served in community health clinics both as part of the United States Public Health Service Corps and as a civilian. Additionally, Dr. Mannion has provided service as a Major in the United States Army Reserve as a combat health support officer and dentist for the 307th Medical Company. He received his Doctorate of Dental Surgery from the University of San Francisco and his undergraduate degree from the University of California – Davis.

Dr. Costa DDS.jpg

Priscilla Costa, DDS

Dr. Costa graduated from the International Dental Program at the Loma Linda University of Dentistry; Dr. Costa attended the University of the Grande Rio and San Leopold Mandic and practiced dentistry and orthodontics in Brazil for 11 years.


Not Pictured: Patrick Henrie, D.D.S., Dentist


Registered Dental Hygienists
Karen Chase, RDH
Ophelia Mendoza, RDH
Theresa Frazier, RDH

Registered Dental Assistants
Chenoa Bartow, RDA
Carlos Hernandez, RDA
Shelly McDonald, RDA
Arlene Yazzie, RDA
Miranda Ross, DA


Dental Emergencies

If you have a dental emergency, go to your nearest emergency room. Contact dental reception to schedule a follow up with your dental provider as soon as possible.

Ukiah Valley Medical Center:  707-462-3111
Frank R. Howard Memorial Hospital: 707-459-6801
Mendocino Coast District Hospital:   707-961-1234