State-of-the-art oral surgery and dental implants

At California Oral and Facial Surgery, you have access to cutting-edge oral surgeries and procedures delivered by highly trained and experienced oral and maxillofacial surgeons. Whether you need dental implants or tooth extraction, you can count on outstanding service from our team.

In most cases, our team can provide same-day diagnosis and treatment for dental emergencies. Please call the practice if you’ve knocked out a tooth or sustained another facial trauma for customized advice and to arrange emergency care.

our mission

We deliver the best possible oral and facial surgery services incorporating innovative technologies and best practices.


We treat every patient with the same dignity and respect that we would want for our families and ourselves.


We offer compassionate care and customized sedation to ensure that you feel comfortable and confident while under our care.

Insurance and Billing

California Oral and Facial Surgery accepts most insurance plans, including All Delta Dentals – (including DeltaCare USA).  Cigna PPO, East Bay Drayage, First Dental Health, Ameritas, Guardian, Humana, Blue Shield of CA, United Concordia, Aetna, MetLife, Anthem Blue Cross, Anthem (Laborers), Sun Life Financial, Dental Health Services, Premier Access, Principal Financial, GEHA Dentemax, UMR and more. When you come to the office, please bring your insurance card and forms. Insurance plans vary, and you are responsible for any fees not covered by your policy. Our team can help you complete and submit your insurance forms, but please address any questions or complaints about your coverage to your insurance carrier.


Our experienced and talented oral and maxillofacial surgeons offer customized care and expert services to address a wide range of needs ranging from tooth extraction to dental implants and biopsies.

Bone Grafting
Bone loss in your jaw is a relatively common problem. Fortunately, the oral surgeons offer expert bone grafting procedures to strengthen your jaw for optimal function and appearance.
CT 3D Imaging
Our surgeons use state-of-the-art CT 3D imaging to assess your oral and dental health and identify issues to ensure excellent general and surgical care and to protect and improve your smile.
Wisdom Teeth Extractions
Whether your wisdom teeth are causing problems or you have severe decay, our surgeons offer expert tooth extraction services to protect your oral health.
Impacted Canines
If your canine teeth are blocked or don’t fully emerge from your gums, our surgeons can carefully expose your tooth to reduce your risk of infections and decay.
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Dental Implants
Did you know 178 million Americans are missing at least one adult tooth? If you’re one of them, a dental implant is a natural-looking, permanent replacement option.


Our team of oral and maxillofacial surgeons has completed extensive training including dental school, medical programs, and surgical residencies. They have many years of experience in delivering outstanding patient care.

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Tina Keyhani, DDS

As an experienced oral and maxillofacial surgeon, Dr. Keyhani is committed to providing expert surgical services and outstanding patient-focused care.

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Michael Knoll, DDS, MD

Dr. Knoll is an experienced and compassionate oral and maxillofacial surgeon, serving the communities of Alameda. He specializes in dental implants and oral pathology.

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Will Osibin III, DDS

Dr. Osibin goes above and beyond for his patients by earning their trust and generating real relationships with them. It is his goal for all patients to feel comfortable and relaxed while in his care.

I totally recommend this I felt very relaxed and welcomed. They made my extraction experience an awesome one. Thank you so much.

La Ree Je L.

I came to dr knoll for my 11 year old daughter and while most places wouldn’t even give my daughter an xray without talking money…………this dr. didn’t think twice about anything but my daughter. If I could give 10 stars I would.

Kristina L.

Dr. Curiel and his staff couldn’t have been kinder or more attentive. I’m very pleased with all aspects of my care.

Susan H.
need help?

The team of experienced oral and maxillofacial surgeons at California Oral and Facial Surgery provides expert surgical procedures combined with attentive and compassionate patient-focused care. Call or schedule a consultation online today.

Call us

Phone: (510) 523-1862

Our office hours are:

Monday: 7:30am - 4:30pm

Tuesday: 7:30am - 4:30pm

Wednesday: 6:00am - 3:00pm

Thursday: 7:30am - 4:30pm

Friday: 6:00am - 3:00pm


On Santa Clara Ave, between Oak St and Walnut St.