(800) 567-2118 info@sb-di.com

Dear Patients,

To help minimize the spread of Covid-19 (Coronavirus), our office is currently closed until further notice. Rest assured we are using this time to prepare our office to meet the highest standards of safety and cleanliness for our return. We will be calling all patients to schedule your appointments as soon as we have a reopening date. In the meantime, if you need to reach Dr Aslam or Dr Gantes, please call us and listen for the appropriate phone number at the end of the message.

Thank you.

Providing Scientifically Proven Dental Implant and Periodontal Therapies

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We congratulate you on taking the first step toward better periodontal health. Our office is conveniently located at the junction of Orange County and Los Angeles County.

Drs. Bernard Gantes, Diane Costandi and their team have been serving the communities of Long Beach, Seal Beach, Los Alamitos, Bellflower, Lakewood, Garden Grove, Westminster, Huntington Beach and adjacent areas for over 35 years and are dedicated to providing you with gentle and scientifically proven treatment that you deserve.

If you have already experienced tooth loss or problems with your gums and bones around your teeth, you have our assurance that we will not accept an unfavorable treatment result.

We hope that this web site will provide you with the necessary information before proceeding with any form of periodontal or implant treatment. Our practice continues to grow and we appreciate your trust and confidence in us.

Our goal is to make you feel comfortable and relaxed. We are here to listen to your questions and concerns and to help provide solutions leading to your better health. Please don’t hesitate to e-mail us or call at (562) 431-9739 if you have any question.


  • Assure long-term treatment success while maintaining patient comfort and treatment affordability.
  • We only implement evidence based techniques.
  • We validate our therapies by constantly assessing our own treatment outcomes.
  • We believe that the best treatment outcome can be provided by a team consisting of a restorative dentist, a surgeon, a laboratory technician and a patient.
  • You have our assurance that we will not accept an unfavorable treatment outcome.