(888) 988-7432

Family Dentistry


Beautiful Natural Results

Trusted & Affordable Dental Care,
for a beautiful smile.

Celebrating 30 Years of Excellence in Hercules

Douglas Lin, DDS, Associates, & Specialists

Welcome to Hercules Dental Care

If you are an existing patient, we would like to thank you for trusting us with your dental care. If you are a new patient we would like to welcome you to our dental office. The doctors and staff at Hercules Dental Care and our team are  committed to providing you with the personalized, high quality dental care that you deserve.

Looking for a Dentist?  We offer patients a comprehensive list of general, restorative and cosmetic dental services designed to meet the needs of the entire family. Our goal is to assist each of our patients in achieving and maintaining long term dental health.

We serve patients in Hercules, Pinole, Vallejo, Richmond, San Pablo, El Sobrante, El Cerrito, Albany, Berkeley, and more.

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Our Procedures

Cleanings & Prevention

A preventive program is a cooperative effort by the patient, dentist, and dental staff to preserve the natural dentition and supporting structures by preventing the onset, progress, and recurrence of dental diseases and conditions.

Preventing dental disease starts at home with More…

Pediatric Dentistry

Pediatric dentistry (formerly Pedodontics/Paedodontics) primarily focuses on children from birth through adolescence.  The American Dental Association (ADA), recognizes pediatric dentistry as a specialty, and therefore requires dentists to undertake two or three years of additional training after completing a general dentistry degree.  At the end of this training, the American Board of Pediatric Dentistry issues a unique diploma (Diplomate ABPD).  Some pediatric dentists (pedodontists) opt to specialize in oral care for children with special needs, specifically children with autism, varying levels of mental retardation, or cerebral palsy.

One of the most important components of pediatric dentistry is (More…)

Dental Implants

Dental implants are a great way to replace missing teeth and also provide a fixed solution to having removable partial or complete dentures. Implants provide excellent support and stability for these dental appliances. Dental implants are artificial roots and teeth (usually titanium) that are surgically placed into the upper or lower jaw bone by a dentist or Periodontist – a specialist of the gums and supporting bone. The teeth attached to implants More…

Cosmetic Dentistry

In the past decade there has been a dramatic interest in cosmetic dentistry.  We all realize that having a healthy, bright, beautiful smile enhances our appearance and allows us to smile with confidence.  Thanks to the advances in modern cosmetic dentistry, we are able to improve our More…

Laser Dentistry

In recent years, laser dentistry has superseded many traditional dentistry practices, making treatments more precise and less painful.  This newer style of dentistry utilizes intense beams of light projected by a dental laser.  Dental lasers can be used to More…

Oral surgery

While most dental surgery is performed on an out-patient basis, it remains an involved procedure that requires specific preparation and aftercare.  In an effort to provide safe, comfortable care, we encourage you to review our pre- and post-operative instructions More…


Orthodontics is the treatment of irregularities in the teeth.  These irregularities (especially of alignment and occlusion) and jaws, are addressed with the use of braces.  Braces are also extremely important in more…

Periodontal Disease

The word periodontal means “around the tooth”.  Periodontal disease attacks the gums and the bone that support the teeth.  Plaque is a sticky film of food debris, bacteria, and saliva.  If plaque is not removed, it turns into calculus (tartar).  When plaque and calculus are not removed, they begin to destroy the gums and bone.  Periodontal disease is characterized by red, swollen, and bleeding gums.

Four out of five people have periodontal disease and don’t know it!  Most people are not aware of it because more…

Meet Our Doctors

Francis Cruz, D.D.S.

Francis Cruz, D.D.S.

Dr. Cruz attended University of San Francisco where he completed his BS degree in Biological Sciences. He then attended the University of California School of Dentistry in San Francisco and graduated in 1985. He has served as a board member of the Napa Solano Dental Society and participated in a Solano Study group. Dr. Cruz joined Hercules Dental Care found the staff and the doctors enjoyable to work with and knowledgeable in dentistry.

Dr. Cruz enjoys the art and the practice of dentistry. He thinks dentistry is a profession where one can immediately help relieve discomfort using knowledge and skill. Dr. Cruz attends continuing education courses in all the disciplines of dentistry, including restoring implants. Dr. Cruz has three sons raised in Vallejo and Benicia and all three are performing Acrobats and travelers. The oldest son and his wife live in Rotterdam, the Netherlands where they teach Acrobatics and Dance; his second son is in Los Angeles where he will perform with Cirque Du Soleil in "Iris", a new show; his youngest son has been accepted in the International School of Circus Arts in Montreal Canada. He also has his second family in Benicia with two step-daughters and a step-son and now a very special grand son, yes families can grow! Dr. Cruz enjoys performing arts, basketball, and volleyball. He especially enjoys watching theatrical circus, like Cirque.


Francis Cruz, D.D.S.

Andrew Lac, D.D.S.

Andrew Lac, D.D.S.

Andrew Lac, D.D.S

Dr. Andrew Lac  attended the University of California, Santa Barbara earning a Bachelors of Science degree in Biology. He went on to attend Loma Linda University School of Dentistry earning his Doctorate in Dental Surgery in 2014. Dr. Lac was inducted into the Omicron Kappa Upsilon National Dental Honor Society and was awarded by the Southern California academy of Oral pathology for his academics . Dr. Lac is also a member of the American Dental Association, California Dental Association.
He met his wife while attending UC Santa Barbara and have plans to start a family in the East bay. Dr. Lac enjoys spending his time with family, playing badminton, and tinkering with technology. He is always looking to expand his knowledge in the field of Dentistry in order to help serve his community.



Andrew Lac, D.D.S.

Dr. Shailain Patel, DMD

Dr. Shailain Patel, DMD

Dr. Patel attended the University of the Pacific where he graduated with a degree in biology. He completed his dental education at Temple University in Philadelphia, graduating with honors summa cum laude. Dr. Patel is an avid learner and enjoys taking continuing education courses in all areas of dentistry. He is a member of the American Dental Association, California Dental Association, and is pursuing his Fellowship and Masters in the Academy of General Dentistry.
Dr. Patel recently got married and in his free time, enjoys traveling to new and exciting destinations throughout the country and world with his wife, friends and family. He enjoys skiing, watching and playing football, soccer and basketball. His next goal is to take up golf and he welcomes any pointers!
Quote: “I believe that what the mind can conceive and believe, it can achieve. Together, you and I will be a unified team as we come up with a treatment plan and subsequent treatment that will help you achieve a healthy oral environment and a beautiful smile.”


Dr. Shailain Patel, DMD

Douglas Lin, D.D.S.

Douglas Lin, D.D.S.

Dr. Lin has been part of a new Hercules tradition of dental comfort and care. He received a Bachelor of Science in Chemistry from UC Berkeley, and is a 1996 graduate of Northwestern University School of Dentistry. Following dental school, he completed a general practice residency at UCLA/West LA VA hospital. Dr. Lin has completed courses in orthodontics, oral & I.V. sedation, Invisalign and implant dentistry. He is a fellow of the American Implant Dentistry Association.

Dr. Lin is continually educating himself and his staff on the newest and latest techniques and approaches to offer you and your family with state-of-the-art, antiseptic, comfortable and personalized dental care.

In his spare time, he enjoys spending time with his wife and children. The family's favorite past time: traveling, skiing, violin, and golf.


Douglas Lin, D.D.S.

Dentist & Owner

Why Choose Us

Comprehensive Dentistry


30 Years of


Offering Sedation Services


Invisalign Premier Provider


Work with Most Insurance Plans


Flexible Payment Options


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What Our Patients Say About Us

Most impressed with Office Manager who took time to call Insurance for complete verification and applicable service coverage.

Analyn G. Hercules

I have been here three times and each time is a pleasure from the moment I am greeted by the front desk to all the people who take care of me. I love my dentist, Dr Joseph, because she speaks french with me and is very friendly! The staff is wonderful! I’m generally afraid to go to the dentist but not here!

Susan P. Brentwood

It was the best dental experience I ever had!

Jack M. Brentwood

The team at Hercules Dental in Brentwood are extremely professional, courteous and just downright AWESOME!

Robin R. Brentwood

By saying that everyone was extremely nice and helpful, I am very happy with my cleaning done by a wonderful young men (Camron) and Dr. Mathews dental work. Overall I am very pleased. Mona, the front desk ladies and the young lady who walked me to the back….ALL VERY NICE. Thank you so much!!!

Monica V. Hercules

The staff is excellent. Everyone from the front desk to the patients care personnel is very friendly. It’s a professional environment and I feel welcomed every visit.

Kao S. Hercules

Your office is always clean and inviting. The staff is prompt, friendly and very helpful.

Paulette P. Hercules

Contact Us

500 Alfred Nobel Drive. Suite 130
Hercules CA, 94547