About Garret
Dr. Garret S. Madderra has been transforming smiles in San Francisco since 1991, bringing over three decades of expertise in cosmetic and restorative dentistry to the Castro District and beyond. As the founder of Madderra Dental Spa, he has built a practice renowned for its commitment to excellence, patient comfort, and cutting-edge dental technology.
His philosophy centers on conservative, state-of-the-art procedures that deliver beautiful, long-lasting results while prioritizing optimal dental health. Dr. Madderra believes that every patient deserves a personalized treatment plan that addresses their unique needs and aesthetic goals.
Beyond his clinical excellence, Dr. Madderra is deeply committed to giving back to the community. He works with Smile Power, providing dental services to over 20,000 children and underserved citizens in Cochabamba, Bolivia, traveling there every March to restore smiles and improve lives.
Education & Credentials
- Doctor of Dental Surgery (DDS) - University of the Pacific, School of Dentistry, San Francisco
- Hundreds of hours of Continuing Education in Restorative and Cosmetic Dentistry
- Advanced training in Porcelain Veneers and Smile Makeovers
- Certified in Plasma Arc Light Teeth Whitening Technology
Experience: 35+ years in practice (since 1991)
Areas of Expertise
Cosmetic Dentistry & Smile Makeovers
Porcelain Veneers
Professional Teeth Whitening
Restorative Dentistry
TMJ Treatment
Periodontal Care
Giving Back
Works with Smile Power providing dental care to over 20,000 children in Cochabamba, Bolivia. Travels to Bolivia every March.
Published Articles (7)

The Science of a Brighter Smile: How Professional Teeth Whitening Works at Madderra Dental Spa
Your smile speaks before you even say a word, and a bright, confident smile can transform not just your appearance, but your entire self-image. While countless over-the-counter whitening products prom...

Teeth Whitening Options in San Francisco: What Really Works and How to Choose
A bright, confident smile can transform your professional and personal interactions, but navigating the overwhelming array of teeth whitening options in San Francisco can leave you feeling confused ab...

Porcelain Veneers in San Francisco: Benefits, Durability, and Who Should Consider Them
Your smile is often the first impression you make, and in a vibrant city like San Francisco, having confidence in that smile matters more than ever. If you're dealing with stained, chipped, gapped, or...

A Complete Guide to Cosmetic Dentistry in San Francisco: Enhance Your Smile with Confidence
Your smile is one of the first things people notice about you, and in a vibrant city like San Francisco, having confidence in your appearance can make all the difference. Whether you're networking in ...

Teeth Whitening San Francisco: 7 Mistakes You're Making (and how to fix them)
You're dreaming of that perfect Hollywood smile, and teeth whitening seems like the quickest path to get there. But here's the reality: most people in San Francisco are making critical mistakes that n...

The Executive's Edge : How Porcelain Veneers Boost Confidence in Pacific Heights
In the boardrooms of Pacific Heights, first impressions are currency. Whether you're closing a deal, leading a presentation, or networking at an exclusive event, your smile communicates volumes before...

Precision and Care: Why Digital X-Rays are aGame-Changer at Our SF Dental Spa
Living in San Francisco means you're surrounded by innovation. From the tech corridors of SoMa to the startups scattered across the city, cutting-edge solutions are simply part of daily life here. So ...
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