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Dental Procedure

Root Canal in Portsmouth

20 NPI-verified practices offering root canal therapy in Portsmouth, NH

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Verified Providers

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Finding a trusted provider for root canal therapy in Portsmouth doesn't have to be stressful. With 20 NPI-verified practices in the Portsmouth area offering this procedure, you have real choices backed by verified credentials.

Portsmouth residents benefit from access to both specialized providers and general dentists who perform root canal therapy.

Whether you're a long-time Portsmouth local or new to the area, root canal is one of the most common dental procedures performed here. Take time to compare providers, read about what to expect, and find one who makes you feel comfortable.

What is root canal therapy?

A root canal is a dental procedure that saves a severely infected or decayed tooth by removing the damaged pulp (the soft tissue inside the tooth), cleaning and disinfecting the root canals, and sealing them to prevent future infection. Without a root canal, the infection can spread, leading to abscesses, bone loss, and ultimately tooth loss.

What to expect during root canal therapy

Modern root canals are no more uncomfortable than getting a routine filling. Your dentist or endodontist will numb the area with local anesthesia, create a small opening in the tooth, remove the infected pulp, clean and shape the canals, fill them with a biocompatible material, and seal the tooth. A crown is usually placed within a few weeks to protect and restore the tooth. Most patients can return to normal activities the same day, with any mild soreness managed by over-the-counter pain relievers.

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How much does root canal therapy cost in Portsmouth?

Nationally, root canal therapy ranges from $500–$1,600 per tooth. Front teeth are less expensive. Molars cost more due to additional canals. Crown: $800–$2,500 extra.

Why choose a dentist in Portsmouth for root canal?

Portsmouth is home to a robust community of dental professionals, including many who specialize in root canal therapy. With 20 verified practices in the area offering this procedure, you benefit from competitive pricing, diverse expertise, and the convenience of finding care close to home.

Choosing a local provider in Portsmouth means shorter travel times, easier follow-up visits, and the ability to build a long-term relationship with a dentist who understands your community. Many Portsmouth practices offer modern technology like 3D imaging, same-day restorations, and sedation options to make your experience as comfortable as possible.

Always verify insurance coverage before scheduling your appointment — policies vary widely for root canal therapy.

Verified practices offering root canal therapy

Showing 20 of 20
BS

Better Smiles Dental Care. PC

278 Lafayette Rd

Portsmouth, NH 03801

(603) 436-5444

NPI Verified
BF

Breeze Family Dentistry, PC

278 Lafayette Rd Bldg E

Portsmouth, NH 03801

(603) 436-5444

NPI Verified
BM

Brian Mcguire, DMD, Ms, PLLC

150 Griffin Rd Suite 1

Portsmouth, NH 03801

(603) 436-2204

NPI Verified
CD

Coastal Dental Associates, PLLC

2837 Lafayette Rd

Portsmouth, NH 03801

(603) 436-6997

NPI Verified
DP

Daniel P. Keenan DDS PA

545 Lafayette Rd

Portsmouth, NH 03801

(603) 436-9004

NPI Verified
DR

Donald R. Welsh, Jr. DMD,pllc

320 Union St

Portsmouth, NH 03801

(603) 436-2144

NPI Verified
DB

Seacoast Dental Seminars

118 Maplewood Ave

Portsmouth, NH 03801

(603) 430-1010

NPI Verified
DE

Dr. Emery Ward, DDS PLLC

118 Maplewood Ave Unit B7

Portsmouth, NH 03801

(604) 430-1010

NPI Verified
GS

Greater Seacoast Community Health

8 Greenleaf Woods Dr

Portsmouth, NH 03801

(603) 422-8208

NPI Verified
HP

Harvey Professional Association

610 Islington St

Portsmouth, NH 03801

(603) 436-7810

NPI Verified
HF

Herold Family Dentistry

313 Islington St

Portsmouth, NH 03801

(603) 436-3718

NPI Verified
JS

James S. Fishbein, DDS

2456 Lafayette Rd

Portsmouth, NH 03801

(603) 436-9908

NPI Verified
MA

Marc A. Greer DMD

85 Merrimac Street

Portsmouth, NH 03801

(603) 436-6922

NPI Verified
OS

Ocean Shades Dental

230 Lafayette Rd Suite C

Portsmouth, NH 03801

(603) 436-7325

NPI Verified
PD

Piscataqua Dental Partners PA

288 Lafayette Road

Portsmouth, NH 03801

(603) 431-4559

NPI Verified
PD

Portsmouth Dental Studios, PA

100 Eileen Dondero Foley Ave

Portsmouth, NH 03801

(603) 431-7605

NPI Verified
RG

Richard G Berube and Stephen G Berube DMD PLLC

1800 Woodbury Ave

Portsmouth, NH 03801

(603) 436-8822

NPI Verified
SA

Smile Artz PA

303 Islington St

Portsmouth, NH 03801

(603) 431-7605

NPI Verified
SD

Soma Dental

238 Deer St Unit 100

Portsmouth, NH 03801

(603) 956-1213

NPI Verified
SE

Stephen E. Ananian DMD, LLC

278 Lafayette Rd

Portsmouth, NH 03801

(603) 436-3889

NPI Verified

Frequently asked questions about root canal therapy

Does a root canal hurt?
With modern techniques and anesthesia, a root canal is no more painful than getting a regular filling. In fact, the procedure relieves the pain caused by the infected tooth. Any post-procedure soreness is typically mild and managed with over-the-counter pain relievers like ibuprofen.
How long does a root canal take?
Most root canals take 60 to 90 minutes for a front tooth and 90 minutes to 2 hours for a molar (which has more canals). Complex cases or retreatments may require multiple visits. Your dentist will give you a specific timeline after evaluating your tooth.
How much does a root canal cost?
Costs vary by tooth type: front teeth (incisors) $500–$1,100, premolars $600–$1,300, and molars $800–$1,600. Seeing an endodontist (root canal specialist) may cost slightly more but offers higher success rates for complex cases. Most dental insurance covers 50–80% of the procedure. A crown is usually needed afterward ($800–$2,500 additional).
What happens if I don't get a root canal?
If the infected pulp isn't removed, the infection can spread to the jawbone, causing an abscess (a painful pocket of pus), bone loss around the tooth root, and potentially systemic infection. The only alternative to a root canal is tooth extraction, which then requires a bridge or implant to prevent adjacent teeth from shifting.
How long does a root canal last?
With proper care — good oral hygiene, regular dental checkups, and a well-fitted crown — a root-canaled tooth can last a lifetime. Success rates are approximately 90–95% when performed by a specialist. The crown may need replacement after 10–15 years due to normal wear.