Dr. David R. DeLong and his compassionate team care for patients from Santa Clara, CA, and the surrounding areas of Silicon Valley, San Jose, Sunnyvale, and Cupertino. 

Over the last 30-plus years in practice, Dr. DeLong has earned his patients’ loyalty by consistently exceeding their expectations at each visit. This friendly, patient-centered approach, combined with the world’s most advanced dental technology, allows him to offer the highest-quality care available.


Dr. DeLong is a certified Invisalign provider. He enjoys helping patients restore their smiles using implants, gum and bone grafting, and digital smile design. Dr. DeLong helps his patients maintain their oral health through regular exams and cleanings. 

No dental insurance? No Problem!

Ask us about DenVantage, our in office plan!

Meet Our Doctor

Lear more about us

  • Dr.
    David R. Delong

    Santa Clara California Family Dentist, David DeLong, is a 1987 graduate of the University of Southern California School of Dentistry and has practiced exclusively in California since his graduation. Born in San Diego, California, Dr. DeLong has enjoyed serving the friendly people of No Cal and being Santa Clara’s Family and Cosmetic Dentist. Dr. DeLong has been providing gentle dental care for more than twenty years. His dental team goes the extra mile to make sure your dental experience is special. Learn More About Dr. David R. DeLong


Our patients are our biggest fans. Here's a few highlights from our public reviews

  • "Excellent staff and excellent service. Never had a problem in the last 22 years I have been seeing Dr. DeLong and his team. Highly competent team. They are quick and efficient. Had a filling done yesterday and was in-and-out in 40 minutes."
    Pramod Mitta
  • "Dr. DeLong and his staff are awesome, they really go above and beyond. My last dentist didn't properly clean my teeth and Dr. DeLong did some of the work they missed at no cost. Dr. DeLong is the best!!!"
    Micah Baca
  • "The Office Staff is awesome at checking insurance benefits, maximizing coverage, and making me feel welcomed. Thank you and I highly recommend this dentist and his team!"
    Roxanna Dubois

Featured Articles

Read up on informative topics

  • Bridges

    When you lose a tooth, it affects not just the appearance, but the function of your smile. It can be difficult to eat or speak naturally, extra stress is put on your remaining teeth, you’re at greater risk for developing gum disease, your remaining teeth can shift out of position causing bite problems, ...

    Read More
  • Orthodontic Retention

    Getting your braces off is definitely a cause for celebration. You can finally enjoy your new smile after all that work and effort! But getting your braces off isn’t the end of treatment. Once your braces come off, you will enter the retention period of treatment. During the retention period, you will ...

    Read More
  • Inlays and Onlays

    Inlays and onlays are indirect restorations used to repair molars and premolars damaged by decay or trauma. Inlays and onlays fit more securely and last longer than fillings, strengthen compromised teeth, and preserve more natural tooth structure than crowns. An inlay is used to restore the center of ...

    Read More
  • Dental Implants

    If you have recently dealt with an injury or disease that affected your oral health, there are options available to recover the smile you once had. You may even be able to achieve a better smile than the one you had. Dental implants make it possible to renew your smile if you have lost some teeth. There ...

    Read More

Contact Us

Send us an email today

Our Location

Find us on the map

Hours of Operation

Our Regular Schedule

Lunch 1:00 PM to 2:00 PM


8:00 am-5:00 pm


8:00 am-5:00 pm


8:00 am-5:00 pm


8:00 am-5:00 pm