Voted Best of the East Bay 2026 — Gold Medal Winner for Best Dental Practice and Silver Medal Winner for Best Esthetic Dental Practice
★Voted Best of the East Bay 2024 & 2025·Now accepting new patients →

A dentist for Oakland patients, on Grand Avenue since 1996.

Piedmont Dental By Design is a general, cosmetic and restorative dental practice at 1331 Grand Avenue, between Wildwood and Sunnyside, about five minutes from MacArthur BART. We have cared for patients from Oakland and across the East Bay for 30 years.

Patients come to us from across Oakland for exams and cleanings, same-day CEREC crowns, porcelain veneers, Invisalign, dental implants and gum care, all in one office.

i. — Your dentists

The dentists you will see.

Co-owner

Dr. Jill Martenson, DDS

Trained at UCLA and the University of the Pacific, with over 30 years in practice in cosmetic and general dentistry.

Meet Dr. Martenson →
Co-owner

Dr. David Ma

A graduate with honors of the University of Pennsylvania School of Dental Medicine, practicing cosmetic and general dentistry.

Meet Dr. Ma →
Periodontist

Dr. Filippo Cangini

A board-certified periodontist with 26 years of experience, trained at the University of Siena, the University at Buffalo and the University of Rochester.

Meet Dr. Cangini →
ii. — Care

The care Oakland patients come in for.

  1. 01

    Exams and cleanings

    Routine exams, cleanings, x-rays and fluoride, with home-care guidance.

  2. 02

    CEREC same-day crowns

    Crowns designed, milled and placed in the office in a single visit.

  3. 03

    Porcelain veneers

    Custom porcelain veneers to change the shape and color of teeth.

  4. 04

    Invisalign

    Clear aligners to straighten teeth without braces.

  5. 05

    Dental implants

    Replacing missing teeth, including bone grafting where it is needed first.

  6. 06

    Gum care

    Scaling and root planing, gum grafting and maintenance with Dr. Cangini.

  7. 07

    Teeth whitening

    Professional teeth whitening.

iii. — Areas we serve

Where our patients come from.

Patients come to the Grand Avenue office from across Oakland and the East Bay, including:

  • Oakland
  • Lake Merritt
  • Montclair
  • Rockridge
  • Berkeley
  • Piedmont
Inside Piedmont Dental By Design on Grand Avenue

Hours

Monday and Wednesday7:00 to 5:00
Tuesday and Thursday7:00 to 3:00
Friday through SundayClosed

Insurance and financing

We accept most dental insurance, including PPO out-of-network plans, and our team prepares the forms for you. See our insurance page and financing options.

— Trusted in the East Bay —

2024 & 2025

Best Esthetic Dentist

Voted Best of the East Bay

2025

Best Dental Practice

Voted Best of the East Bay

G
4.9 / 5

Google Reviews

From 350+ verified patients

⊕
30 years

Serving the East Bay

Three decades of preventative, cosmetic & restorative care

v. — Reading

More for Oakland patients.

vi. — Visit

Book your visit from Oakland.

Send us a message, or call us during open hours. Most weeks we have same-week availability.

Address1331 Grand Ave, Piedmont, CA 94610
HoursMon & Wed 7–5 · Tue & Thu 7–3