Dr. Michael Marshall is a specialist in endodontics—the dental field focused on treating tooth problems inside the tooth and the tooth's root—with 20 years of experience in Manchester, NH. He has received multiple awards as a top-voted endodontist by his fellow dentists and specializes in root canal therapy, retreatment, cracked teeth, and injuries to teeth. Dr. Marshall believes that root canal treatment can be comfortable and effective when performed with care, and he is committed to providing excellent care in a professional and compassionate environment. He uses advanced 3D imaging technology to help guide his treatment and is currently accepting new patients. In his time away from the practice, Dr. Marshall enjoys time with his wife Amy, his three daughters, and his four grandchildren.

Specialties

1
EndodonticsPrimary
Root canal treatment and diseases of dental pulp

Education & Training

DMD, Boston University School of Dental Medicine
Biology degree, Stonehill College
Endodontic Specialist Certificate, Boston University School of Dental Medicine

Board Certifications

Specialist Member of the American Association of Endodontics

Credential: DMD

NPI registered: 09/01/2006

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Areas of Focus

Root canal therapyEndodontic retreatmentApicoectomyCracked teethTraumatic injuries

Technology & Equipment

CBCT 3D imaging

Professional Memberships

American Dental Association
American Association of Endodontics (Specialist Member)
New Hampshire Dental Society

Awards & Recognition

Top voted endodontist in New Hampshire by peer dentists, 2025-2026
Top endodontist in New Hampshire category, five times total (three years in a row as of 2025-2026)
Consistently voted as one of the top endodontists for many years

Beyond the Office

Past Clinical Instructor in the Department of Endodontics at Boston University

Grew up in Vernon, CT in a family of six

Married to Amy

Has three beautiful daughters and four awesome grandchildren

Provider information is sourced from the National Plan and Provider Enumeration System (NPPES) maintained by CMS. Information may not reflect the most current data. Providers can claim their profile to update and verify their details.