Endodontist in
Santa Clara, CA
Looking for an endodontist in Santa Clara? Dr. Jason Kung is a Specialist Endodontist serving Santa Clara residents and Nvidia, Intel, ServiceNow, Applied Materials, and Roku professionals — microscope-guided root canal treatment, retreatment, and apicoectomy just 9 minutes from most of Santa Clara. Mandarin and Spanish spoken. Same-day emergencies. Evening and weekend hours so you don't miss work.

Why Santa Clara Patients Choose Dr. Kung
Our Sunnyvale office sits 9 minutes east of Santa Clara via Lawrence Expressway or El Camino Real — easy access whether you're coming from the Mission / Tasman tech corridor, Santa Clara University, Rivermark, or the 49ers / Levi's Stadium area. Dr. Kung's specialist training (UCLA DDS, OHSU MS in Endodontics) and 100% microscope-guided technique match the high standards Santa Clara's tech community expects from any specialist. We are out-of-network with all PPOs and give you a clear written estimate before any treatment is scheduled.
Microscope-Guided Precision
Every procedure performed under the Zeiss OPMI operating microscope — the standard of care for specialist endodontics.
Same-Day Emergency Care
Tooth pain can't wait. We hold appointments for urgent cases every day, including weekends.
Your Dentist Stays Informed
A detailed clinical report goes to your referring dentist after every visit — you're in good hands, and so is your care team.
Serving the Santa Clara community
Santa Clara is right next door — about 9 minutes via Lawrence Expressway. We see a mix of Santa Clara University students and faculty, families in Rivermark and the Old Quad, and tech professionals from the Mission / Tasman corridor (Nvidia, ServiceNow, Roku, Applied Materials, Intel). Our location on Hollenbeck is a straight shot up Lawrence from most of Santa Clara, which makes us a convenient referral choice for general dentists along El Camino, Stevens Creek, and Bowers.
Neighborhoods we see patients from
- Rivermark & North Santa Clara
- Old Quad & Santa Clara University area
- Killarney Farms & Mission
- Pruneridge & Westwood
- Lawrence Station / Birch Park
- 49ers Levi's Stadium / Tasman corridor
Why Santa Clara patients come to us
- Microscope-guided root canals on molars with complex anatomy (MB2 in upper first molars)
- Cone-beam CT (CBCT) imaging that general offices don't offer
- Retreatment of previous root canals that have re-infected
- Save-the-tooth second opinions before an implant is placed
- Same-day emergency appointments when a tooth flares up between meetings
- Trauma care after sports injuries (football, soccer, cycling)
Driving from Santa Clara
From most of Santa Clara, take Lawrence Expressway south to Hollenbeck and turn right. From the Mission / Tasman side, hop on 237 east to Lawrence south. From the Old Quad / SCU area, El Camino Real west to Sunnyvale-Saratoga then south on Hollenbeck. Typically 7–11 minutes door-to-door.
Treatments Available
All services are performed at our Sunnyvale office, a short drive from Santa Clara.
Root Canal Treatment
Single or multi-rooted teeth treated under the operating microscope for precision and comfort.
Endodontic Microsurgery
Apicoectomy when retreatment isn't feasible — performed with surgical-grade magnification and ultrasonic instrumentation.
Root Canal Retreatment
Failed or symptomatic prior root canals rescued with advanced imaging (CBCT) and microsurgical techniques.
Cracked Tooth Evaluation
Diagnosis of incomplete fractures — the most common cause of unexplained tooth pain.
Emergency Root Canal
Same-day evaluation and management of severe toothache, swelling, and dental trauma.
What Patients Say
4.9 stars across 193 reviews on Google, Yelp, and Healthgrades.
"I was terrified of root canals. Dr. Kung made it completely painless. I actually fell asleep during the procedure."
— Patient from the South Bay
"Came in with severe tooth pain on a Saturday. They saw me within the hour and I was pain-free by evening."
— Emergency patient
"The most technologically advanced dental office I've ever visited. The microscope setup is impressive."
— Referred patient
Common Questions
How do I choose an endodontist in Santa Clara?
Look for a Specialist Endodontist who completed an accredited two-year graduate residency, treats every case under a surgical operating microscope, and uses CBCT (3D) imaging when indicated. Dr. Jason Kung meets each of these criteria — UCLA DDS, OHSU MS in Endodontics, active AAE member, 100% microscope-guided treatment, and J. Morita CBCT 3D imaging on-site. Patients have left 193+ reviews averaging 4.9★ on Google, Yelp, and Healthgrades. Mandarin (普通话) and Spanish spoken.
How far is your office from Santa Clara?
We're located at 1565 Hollenbeck Avenue, Suite 106, Sunnyvale — about 4 miles and 9 minutes from most of Santa Clara via Lawrence Expressway south or El Camino Real west. Ample free parking is available on-site, and we're a short drive from Nvidia, Intel, Santa Clara University, and Levi's Stadium.
Do you offer same-day root canals for Santa Clara patients?
Yes. We hold emergency endodontic slots every day — including weekends — for Santa Clara patients in severe pain or with dental trauma. Call (669) 234-2354 and we'll do our best to see you the same day. Most root canals are completed in a single visit using our Zeiss surgical microscope.
Do you offer evening or weekend appointments for Santa Clara patients?
Yes. We're open Monday through Friday until 7 pm and Saturday through Sunday from 9 am to 3 pm — designed for Nvidia, Intel, ServiceNow, Applied Materials, Roku, and other Santa Clara tech professionals who can't take time off during the day.
Is Dr. Kung a specialist endodontist?
Yes. Dr. Kung is a Specialist Endodontist who completed a full two-year graduate residency and earned his MS in Endodontics from Oregon Health & Science University (OHSU). He is an active member of the American Association of Endodontists (AAE). His specialist credentials come from his accredited graduate residency and MS degree in Endodontics.
Do you accept my Santa Clara employer's dental insurance?
We accept and bill PPO plans from all major carriers (Delta Dental PPO, MetLife, Cigna, Aetna, Guardian, United Concordia, Anthem Blue Cross) offered through Nvidia, Intel, ServiceNow, Applied Materials, Roku, and other Santa Clara employers. We are out-of-network for most PPOs but submit claims on your behalf — you receive your full PPO benefits at our standard fees, and most plans cover 50–80% of specialist endodontic care. We give you a clear written estimate before any treatment is scheduled, so there are no surprises.
Will my Santa Clara dentist be informed about my treatment?
Absolutely. We send a detailed clinical report — including the CBCT scan, intraoral photos, and the final radiograph — to your referring Santa Clara dentist within 24 hours of every visit so the care team stays coordinated.
Do you speak Mandarin or Spanish?
Yes — Dr. Kung conducts full clinical visits in Mandarin (普通话), and Spanish-speaking staff are available for scheduling and treatment coordination. Our website is fully translated into Simplified Chinese (中文), Traditional Chinese (繁體中文), and Spanish (español). 我们说中文,hablamos español.
Easy access from: Nvidia HQ · Intel Corporation HQ · ServiceNow HQ · Applied Materials · Roku HQ · AMD · Santa Clara University · Levi's Stadium / 49ers · Santa Clara Convention Center · El Camino Real · Lawrence Expressway
Also serving nearby communities:
Ready to Schedule?
Most Santa Clara patients reach us in under 15 minutes. Same-day appointments available for dental emergencies.
1565 Hollenbeck Avenue, Suite 106, Sunnyvale, CA 94087
