Southern New Hampshire Endodontics, LLC is a specialist dental practice based in Manchester, New Hampshire, focused on endodontic care and preserving natural teeth. The practice’s website provides information about root canal therapy, endodontic retreatment, apicoectomy, cracked teeth and traumatic dental injuries, alongside patient guidance on scheduling, insurance, finances and treatment instructions. It also features testimonials and resources for referring dentists.

The practice emphasizes professional, compassionate care and the role of modern technology in diagnosis and treatment. Its equipment includes cone-beam computed tomography (CBCT), which creates three-dimensional images of teeth and surrounding structures to help assess complex cases and inform treatment planning.

Dr. Michael J. Marshall retired from Southern New Hampshire Endodontics effective March 8, 2026. The website states that patient clinical records remain accessible at the practice’s Manchester location, with Dr. Hongsheng Liu serving as custodian. Patients may contact the office to request copies or transfer records to another provider. The site also offers contact details, directions, a referral form and information for patients and referring doctors.