Dr. Joshua Grenier, DMD, MS

Comprehensive, Cause-Based Dentistry

We don’t just fix teeth — we find out why things broke down and build a plan that lasts. From routine care to IV sedation, cosmetic restorations, and full-arch rehabilitation, every case starts with the full picture.

Coventry, RI  •  Keesler Air Force AEGD-2 Trained

IV Sedation Implants & All-on-X Cosmetic Dentistry Full-Mouth Rehabilitation Oral Surgery Endodontics
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What brings you in?

This site serves both patients and clinicians. Pick your path.

👤

I’m a Patient

Understand your oral health, explore treatment options, and find answers to common questions.

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I’m a Clinician

Clinical deep-dives, interactive research tools, and evidence synthesis for dental professionals.

Our Approach

Treat the cause, not just the symptom

Conventional

Fix What’s Broken

Our Standard

Find Out Why

Most dental problems don’t happen by accident — they’re driven by patterns in biology, habits, and environment that can be identified and changed. We combine thorough diagnostics, advanced technology, and genuine patient partnership to build treatment plans that address root causes, not just symptoms. The goal isn’t just a good result today — it’s a stable, healthy mouth for the long run.

Dr. Joshua Grenier, DMD, MS

121 Sandy Bottom Road  •  Coventry, RI 02816

(401) 822-3352