Quality & excellence, personally delivered.

For over 30 years we’ve transformed smiles with quality treatments and cutting-edge tech delivered by a team who truly wants what’s best for you. We care deeply about our patients, and it shows.

Strong, personal patient relationships. Every patient who comes through our doors will get the best treatment possible. This is because we care deeply about our patients and want them to look good, feel good and keep their teeth for life. By getting to know you personally and building a lasting relationship together, we can customize your dental treatments and help you achieve a healthy, beautiful smile.

A comprehensive, preventative approach. Dentistry is about more than just fixing teeth. It’s about creating a comprehensive plan to care for your oral health and prevent problems from returning in the future. This preventative approach is incorporated into every treatment we provide. We work hard to get you out of pain, save your natural smile, and put you on the path to enjoy a beautiful smile throughout your entire life.

Thorough patient education. We take patient education seriously because we know how big of a role it plays in your lasting health and wellness. We will explain the details of your oral condition in an easy-to-understand manner and teach you proper at-home prevention for taking care of your smile. During your treatment, we will show you all your treatment options and offer our honest recommendations so you can make informed, confident treatment decisions.

Dedication to delivering the best quality possible. We won’t settle for anything but our very best when it comes to your dental care. We avoid complacency, choosing instead to stay on the cutting edge of dentistry through continuing education and use of the latest and best treatment modalities, materials, sterilization techniques, and technology. Our 30+ years of experience in the dental field makes a difference in the quality of your care. Give us a chance to show you!.

Welcoming & uplifting environment. Easy going, positive, fun, anxiety-free — everything you want in a dental experience we strive to provide here! We work hard to create a practice environment where our patients feel confident knowing that no matter what condition their mouth is in; they don't have to be afraid or embarrassed. We are here to help, and we will make your visit as comfortable and enjoyable as possible while doing so!.

Cutting-edge techniques & technology. Keeping up to date with the latest dental technology allows us to provide better treatments, and show our, dedication to you, our patients. Our technologies, including an iTero scanner, digital X-rays, and, telemedicine, allows us to be more precise, provide higher quality results and offer help even when you, can’t make it into our practice. We promise to always remain at the forefront of leading dentistry, and we will, continue to invest in the latest technology with you in mind.

About US / Meet Our Team

Greenhills Dental Care has been serving the oral health needs of the men, women, and children in Fremont, California, and the neighboring communities since 1989.

With a team consisting of Shirley H. Bien, DMD; Diana Belli, DDS; and Keun C. Lee DDS, Greenhills Dental Care offers the full range of general dentistry services with a specific focus on treating issues relating to sleep apnea, gum and bone disease, restorative needs, full mouth construction, root canals, and oral cancer. The team also offers emergency dentistry and InvisalignⓇ clear aligners.

As a family practice committed to providing their patients with a safe and welcoming space for dental treatment, the team is dedicated to building long-lasting relationships by offering comprehensive diagnostic and preventive services.

Invested in providing exceptional dental care, Dr. Bien and her team won’t let you go home unless they’re satisfied with their work, you're happy with your bite, and you’re entirely content with the results. This attention to detail is at the core of Greenhills Dental Care’s philosophy. Call the office or schedule an appointment online today to learn more.


About Dr. Bien

Shirley H. Bien, DMD, at Greenhills Dental Care has been providing comprehensive dental care to the residents of Fremont, California, and the surrounding areas for over 25 years. Dr. Bien graduated from Manila Central University in the Philippines in 1981 and subsequently moved to San Francisco to prepare for her board examinations.

After becoming licensed by the Dental Board of California in 1985, Dr. Bien launched a devoted career as a dentist whose primary focus is not only to develop long-lasting relationships with her patients, but to also provide safe and comfortable space of treatment.

Dr. Bien makes sure to stay up to date on best dental practices and offers her patients state-of-the-art services to meet all their dental needs. Through hygiene education and restorative and cosmetic dentistry, Dr. Bien is dedicated to making sure her expertise goes back home with her patients.

She is a member of the American Dental Association, California Dental Association, and the Las Vegas Institute for Advanced Dental Studies, to name a few.

Dr. Bien is currently accepting new patients.


About Dr. Belli

Dr. Belli offers IV sedation. She’s a trained, dedicated Anesthesiologist who can provide any level of sedation or anesthesia for any operating room procedure safely in your dentist’s office. Because these medications are administered through an intravenous (IV) line, they have immediate response and dosing can be adjusted right away to each patient’s needs and requirements. Also, in this case, medications, monitoring and safety are the sole focus of the anesthesiologist, allowing the dentist to concentrate only on the dentistry.


About Dr. Lee

Dr. Lee is a graduate of Case Western Reserve University Dental School, one of the best in the country. He has been a dentist for years and has been through several post graduate courses in different fields of dentistry since receiving his D.D.S. degree. His emphasis on patient comfort as well as keeping up-to-date with the latest advancements in dentistry enable him to provide his patients with the best quality of care in the field. His approach to your treatment starts with patiently listening to you. Then, after a complete and thorough examination, he reviews and discusses the diagnosis and treatment options with you.

About US / Office Tour