Specialist Endodontist
Near Foster City
Foster City patients have access to specialist endodontic care just 18 minutes away in Sunnyvale — with microscope-guided root canal treatment, same-day emergency slots, and evening and weekend hours.
Why Foster City Patients Choose Dr. Kung
From Foster City's waterfront neighborhoods or the Visa Inc. and Gilead Sciences campuses, our Sunnyvale office is a straightforward drive via US-101 S. Dr. Kung dedicates his entire practice to endodontics, using the Zeiss OPMI surgical microscope and 3D CBCT imaging to ensure the highest standard of care for every patient.
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 Foster City community
Foster City is about a 30-minute drive via 92 and 101. We see Foster City patients across the lagoon-side neighborhoods — Mariners Island, Treasure Isle, and Schaaf — and we work with several Foster City general dentists who refer patients for retreatments, microsurgery, and complex diagnostic cases requiring CBCT imaging.
Neighborhoods we see patients from
- Marina Lagoon & Schaaf
- Sea Cloud
- Mariners Island
- Treasure Isle
- Edgewater Isle
- The Coves
Why Foster City patients come to us
- Microscope-guided retreatment
- Apicoectomy / endodontic microsurgery
- CBCT imaging for complex diagnostic questions
- Save-the-tooth second opinions
Driving from Foster City
From Foster City take 92 west to 101 south, then Lawrence Expressway south and left on Hollenbeck. 28–35 minutes outside commute hours.
Treatments Available
All services are performed at our Sunnyvale office, a short drive from Foster City.
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 far is your Sunnyvale office from Foster City?
We're at 1565 Hollenbeck Avenue, Suite 106, Sunnyvale — about 14 miles and 18 minutes from Foster City via US-101 S. Free parking is on-site.
Do you offer evening or weekend hours for Foster City patients?
Yes. We're open Monday–Friday until 7 pm and Saturday–Sunday from 8 am to 3 pm, making specialist care accessible around your work schedule.
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 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.
What do I do if I have a dental emergency in Foster City?
Call (669) 234-2354 right away. We hold emergency slots every day including weekends. Foster City is only 18 minutes away and we'll do our best to see you the same day.
Will my Foster City dentist receive a clinical report after my visit?
Yes. We send a detailed clinical summary to your referring dentist after every appointment.
Easy access from: Foster City Levee / Bay Trail · Visa Inc. campus · Gilead Sciences HQ · Hillsdale BART (nearby) · US-101 / CA-92 corridor
Also serving nearby communities:
Ready to Schedule?
Most Foster City patients reach us in under 15 minutes. Same-day appointments available for dental emergencies.
1565 Hollenbeck Avenue, Suite 106, Sunnyvale, CA 94087