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Best Dentists in Portsmouth, NH (2026)

47 clinics ranked by DR ScoreUpdated 0 paid placements in this rankingHow we rank →

The short answer

  1. 1

    Best overall in Portsmouth: Dr. Melanie K. Harden, DMD, 5.0★ from 1 Google review and 17 of 17 services.

  2. 7

    Best for kids and families: Portsmouth Pediatric Dentistry & Orthodontics, pediatric dentist on staff; ranked #7 of 47.

Rankings can't be bought. Booking through us earns you a $60 gift card and doesn’t affect order. How we rank

47 Portsmouth clinics are ranked here by DR Score. 6 after 6 PM, based on posted hours. 27 have a Google rating on file.

Top 10 dentists in Portsmouth at a glance

Top 10 dentists in Portsmouth at a glance
RankClinicDR ScoreRating (reviews)Evenings / weekendsBest for
1Dr. Melanie K. Harden, DMD785.0★ (1)—Overall, Cosmetic
2Dr. Rebecca M. Groves, DMD73———
3Hamilton Patricia73———
4Kim Sehwoon DDS73———
5Ocean Shades Dental725.0★ (225)Evenings—
6Andrew Harvey725.0★ (432)——
7Portsmouth Pediatric Dentistry & Orthodontics714.9★ (665)—Kids
8Seacoast Dental Implant and Oral Surgery Center, PLLC: Daniel H. De Tolla, DDS, MD704.9★ (463)—Implants
9Better Smiles Dental Care704.9★ (201)——
10HJ Ludington DDS704.7★ (484)——

The 47 best dentists in Portsmouth, ranked

Ordered by DR Score, a 0–100 score from 6 published factors. Scores refresh weekly.

  1. Ranked #1 in Portsmouth

    #1 Dr. Melanie K. Harden, DMD

    230 Lafayette Rd, Portsmouth, NH 03801

    78/10085% of factors measured

    Ranked #1 because of its Google rating and recent reviews: 5.0★ from 1 Google review, 1 review in the last 12 months.

    Based on reputation, review volume, recency, services and profile completeness.

    • 5.0from 1 Google reviews

    General dentistryCleaningEmergency careRoot canalExtractionWisdom teethImplantsInvisalign+9 more

  2. #8 Seacoast Dental Implant and Oral Surgery Center, PLLC: Daniel H. De Tolla, DDS, MD

    200 Griffin Rd #8, Portsmouth, NH 03801, United States

    70/100

    Ranked #8 because of its Google rating and review volume: 4.9★ from 463 Google reviews, 463 Google reviews.

    • 4.9from 463 Google reviews
    Hours
    Mon–Thu 8:30 AM–4 PM · Fri 8:30 AM–2 PM · Sat–Sun closed

    General dentistryCleaningEmergency careRoot canalExtractionWisdom teethImplantsInvisalign+9 more

    In their words

    Seacoast Dental Implant and Oral Surgery Center offers evaluation and removal of wisdom teeth, dental implant planning and placement, tooth extractions, and bone grafting in Portsmouth NH. We accept Dental Emergencies and New Patients and implement patient safety protocols. We understand how to work with anxious patients! Our Oral Surgeons and clinical staff are certified for safe and effective sedation dentistry for adults, children, and special needs patients. Patients…

    From Seacoast Dental Implant and Oral Surgery Center, PLLC: Daniel H. De Tolla, DDS, MD's own description. Not part of the ranking.
  3. #10 HJ Ludington DDS

    288 Lafayette Rd, Portsmouth, NH 03801

    70/100

    Ranked #10 because of its Google rating and review volume: 4.7★ from 484 Google reviews, 484 Google reviews.

    • 4.7from 484 Google reviews
    Hours
    Mon–Fri 8 AM–5 PM · Sat–Sun closed

    General dentistryCleaningEmergency careRoot canalExtractionWisdom teethImplantsInvisalign+9 more

    In their words

    Welcome To New England Endodontics & Implantology At New England Endodontics & Implantology, preserving the health of your smile is our number one priority. As your endodontist in Portsmouth, Dr. H.J. Ludington is dedicated to providing patients with the highest level of endodontic and implant care. Located in a state-of-the-art facility, we incorporate the latest techniques with the most advanced technology to make your experience with us as anxiety-free and comfortable as…

    From HJ Ludington DDS's own description. Not part of the ranking.
  4. #11 Samantha King, DMD

    320 Union St, Portsmouth, NH 03801, United States

    68/100

    Ranked #11 because of its Google rating and services: 4.9★ from 66 Google reviews, 17 of 17 services offered.

    • 4.9from 66 Google reviews
    Hours
    Mon–Thu 8 AM–5 PM · Fri–Sun closed

    General dentistryCleaningEmergency careRoot canalExtractionWisdom teethImplantsInvisalign+9 more

    In their words

    Whether your needs are simple or complex, Dr. Samantha King offers the highest quality care and dentistry for all ages in a relaxing and comfortable environment. She can provide you with esthetic, implant, restorative and reconstructive dental procedures. She offers a full scope of prosthodontics, cosmetic dentistry and reconstructive dentistry with expertise in porcelain veneers, crowns, dental implant crowns, and bridges. Restorative dental services include: Fillings,…

    From Samantha King, DMD's own description. Not part of the ranking.
  5. #12 Seacoast Periodontics & Dental Implants

    185 Cottage St Suite 2, Portsmouth, NH 03801

    67/100

    Ranked #12 because of its Google rating and review volume: 4.9★ from 1,060 Google reviews, the most Google reviews in Portsmouth (1,060).

    • 4.9from 1,060 Google reviews
    Hours
    Mon–Thu 8 AM–5 PM · Fri–Sun closed

    General dentistryEmergency careImplantsCrownsBondingCosmeticFull restoration

    In their words

    We are a father-daughter Periodontists who specialize in the in treatment of gum disease with conventional and laser periodontal therapy, gum grafting and implant placement. We offer all levels of sedation to improve your experience and we are passionate about meeting your goals in a comfortable environment.

    From Seacoast Periodontics & Dental Implants's own description. Not part of the ranking.
  6. #13 Bay Breeze Dentistry

    14 Manchester Square Suite 215, Portsmouth, NH 03801

    67/100

    Ranked #13 because of its Google rating and review volume: 4.8★ from 229 Google reviews, 229 Google reviews.

    • 4.8from 229 Google reviews
    Hours
    Mon–Thu 8 AM–4:30 PM · Fri–Sun closed

    General dentistryCleaningEmergency careRoot canalExtractionWisdom teethImplantsInvisalign+9 more

    In their words

    Dr. Carmen Santana-Paine is a top Portsmouth Dentist & has been serving the community for 15+ yrs. Bay Breeze Dentistry has gone beyond the norm to provide your family with a comprehensive approach to dental care. By using “holistic dentistry,” she is able to show you the connection between your oral health & your entire well-being. As part of this modern approach, our caring dentist in Portsmouth NH has adopted innovative protocols to help diagnose and treat airway…

    From Bay Breeze Dentistry's own description. Not part of the ranking.
  7. #14 Premier Dental Group

    1800 Woodbury Ave, Portsmouth, NH 03801

    67/100

    Ranked #14 because of its Google rating and review volume: 4.9★ from 185 Google reviews, 185 Google reviews.

    • 4.9from 185 Google reviews
    Hours
    Mon–Thu 8 AM–5 PM · Fri–Sun closed

    General dentistryCleaningEmergency careRoot canalExtractionWisdom teethImplantsInvisalign+9 more

    In their words

    At Premier Dental Group, we put your smile and comfort first. We know that finding a dentist in the Portsmouth area, that actually cares about how you feel as much as your smile, will make all the difference in your experience. We believe a trip to the dentist doesn’t need to be stressful. Our team works hard to make your visit smooth and worry-free, whether you are coming in for a basic dental cleaning, something cosmetic like whitening or implants, or even emergency…

    From Premier Dental Group's own description. Not part of the ranking.
  8. #21 Dr. Barry F. McArdle, D.M.D.

    118 Maplewood Avenue The Captain Moses House Suite B-7, Portsmouth Ave, Portsmouth, NH 03801

    66/100

    Ranked #21 because of its Google rating and review volume: 4.9★ from 162 Google reviews, 162 Google reviews.

    • 4.9from 162 Google reviews
    Hours
    Mon–Wed 8:30 AM–5 PM · Thu 7:30 AM–4 PM · Fri–Sun closed

    General dentistryCleaningEmergency careRoot canalExtractionWisdom teethImplantsInvisalign+9 more

    In their words

    Dr. McArdle's experienced practice offers caring general and aesthetic dentistry for you and your family on the seacoast of Portsmouth, NH. Our skilled preventive, reconstructive and cosmetic experts will improve your smile and provide a comforting experience each time you visit. Call or make an appointment today!

    From Dr. Barry F. McArdle, D.M.D.'s own description. Not part of the ranking.
  9. #23 James D. Spivey, D.D.S., M.S.

    278 Lafayette Rd # 7, Portsmouth, NH 03801

    64/100

    Ranked #23 because of its Google rating and services: 4.8★ from 50 Google reviews, 17 of 17 services offered.

    • 4.8from 50 Google reviews
    Hours
    Mon–Thu 8 AM–5 PM · Fri 8 AM–12 PM · Sat–Sun closed

    General dentistryCleaningEmergency careRoot canalExtractionWisdom teethImplantsInvisalign+9 more

    In their words

    James D. Spivey, D.D.S., M.S. is an experienced educator and dentist in the dental specialty of periodontics and dental implant surgery. He uniquely has provided intravenous sedation as a board certified dental specialist in the Seacoast of New Hampshire since 1995. Dr. Spivey is highly accomplished: - Board Certified in Periodontics and Dental Implant Surgery - Diplomate of The American Board of Periodontology - Diplomate of The American Board of Oral Implantology/Implant…

    From James D. Spivey, D.D.S., M.S.'s own description. Not part of the ranking.

All 47 clinics

#1 to #25 are shown in full above. Here are #26 to #47, in DR Score order; each links to its full profile.

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Best dentists in Portsmouth by need

One pick per need, with the clinic that comes next. Every pick names the condition it wins on.

Best for emergency in Portsmouth

No Portsmouth clinic lists emergency or same-day care in our data yet.

Best for kids in Portsmouth

7

Portsmouth Pediatric Dentistry & Orthodontics

Highest-ranked of 4 Portsmouth clinics offering kid-friendly care: pediatric dentist on staff, #7 overall by DR Score and open 5 days a week.

Runner-up: Bay Breeze Dentistry (#13 overall)

General Dentistry in Portsmouth →

Best for implants in Portsmouth

8

Seacoast Dental Implant and Oral Surgery Center, PLLC: Daniel H. De Tolla, DDS, MD

Highest-ranked of 47 Portsmouth clinics offering dental implants: oral surgeon on staff, #1 for implants and #8 overall by DR Score.

Runner-up: Dr. Melanie K. Harden, DMD (#1 overall)

Dental Implants in Portsmouth →

Best for invisalign & braces in Portsmouth

13

Bay Breeze Dentistry

Highest-ranked of 43 Portsmouth clinics offering Invisalign or braces: orthodontist on staff, #2 for invisalign and #13 overall by DR Score.

Runner-up: Dr. Melanie K. Harden, DMD (#1 overall)

Invisalign in Portsmouth →

Best for root canal in Portsmouth

22

Seacoast Endodontic Associates, P.A.

Highest-ranked of 43 Portsmouth clinics offering root canals: endodontist on staff, #1 for root canal and #22 overall by DR Score.

Runner-up: Dr. Melanie K. Harden, DMD (#1 overall)

Root Canal in Portsmouth →

Best for cosmetic in Portsmouth

1

Dr. Melanie K. Harden, DMD

Highest-ranked of 47 Portsmouth clinics offering cosmetic dentistry: #1 for cosmetic and #1 overall by DR Score.

Runner-up: Dr. Rebecca M. Groves, DMD (#2 overall)

Cosmetic Dentistry in Portsmouth →

Best for dentures & seniors in Portsmouth

1

Dr. Melanie K. Harden, DMD

Highest-ranked of 43 Portsmouth clinics offering dentures: #1 for dentures and #1 overall by DR Score.

Runner-up: Dr. Rebecca M. Groves, DMD (#2 overall)

Dentures in Portsmouth →

Best for budget & insurance in Portsmouth

No Portsmouth clinic lists Medicaid or insurance in our data yet.

How much does a dentist cost in Portsmouth?

Typical prices before insurance, in USD. Each row names its source.

How much does a dentist cost in Portsmouth?
ServiceTypical price (USD)Basis
General Dentistry$100–$300DentistsRanked estimate from typical fees, adjusted for New Hampshire
Teeth Cleaning$75–$200DentistsRanked estimate from typical fees, adjusted for New Hampshire
Emergency Care$100–$500DentistsRanked estimate from typical fees, adjusted for New Hampshire
Root Canal$700–$1,400DentistsRanked estimate from typical fees, adjusted for New Hampshire
Tooth Extraction$200–$700DentistsRanked estimate from typical fees, adjusted for New Hampshire
Wisdom Teeth Removal$200–$700DentistsRanked estimate from typical fees, adjusted for New Hampshire
Dental Implants$1,500–$6,000DentistsRanked estimate from typical fees, adjusted for New Hampshire
Invisalign$3,500–$7,500DentistsRanked estimate from typical fees, adjusted for New Hampshire
Braces$3,000–$7,000DentistsRanked estimate from typical fees, adjusted for New Hampshire
Dental Crowns$800–$1,800DentistsRanked estimate from typical fees, adjusted for New Hampshire
Dentures$1,000–$3,000DentistsRanked estimate from typical fees, adjusted for New Hampshire
Veneers$900–$2,500DentistsRanked estimate from typical fees, adjusted for New Hampshire
Teeth Whitening$200–$600DentistsRanked estimate from typical fees, adjusted for New Hampshire
Dental Bonding$300–$600DentistsRanked estimate from typical fees, adjusted for New Hampshire
Cosmetic Fillings$300–$600DentistsRanked estimate from typical fees, adjusted for New Hampshire
Cosmetic Dentistry$500–$5,000DentistsRanked estimate from typical fees, adjusted for New Hampshire
Full Restoration$15,000–$50,000DentistsRanked estimate from typical fees, adjusted for New Hampshire

Emergency and weekend dentists in Portsmouth

Clinics that list same-day or emergency care, or post Saturday, Sunday or after-6 PM hours. Severe swelling or bleeding: go to a hospital.

How we ranked Portsmouth dentists

We scored 47 Portsmouth clinics on 6 factors: reputation 45%, review volume 15%, recency 10%, access 15%, services 10%, profile completeness 5%. 44 were excluded (44 duplicate listings). Data from Google listings and clinic websites, refreshed October 21, 2026.

Paid placement never changes a rank or score. Featured clinics are paid, labelled, limited to 3 and shown above the ranking, outside it.

Read the full method: formula, sources and exclusions

DR Score factors and weights
FactorWeightComputed fromIn Portsmouth data
Reputation45%Bayesian-adjusted Google star ratingMeasured
Review volume15%log10(review count) against the city maximumMeasured
Recency10%Share of reviews in the last 12 monthsMeasured
Access15%Evenings, Saturday, Sunday, same-day/emergency, accepting new patientsMeasured
Services10%Services offered out of 17Measured
Profile completeness5%Named dentists, years open, languages, insurance, photosMeasured

Dentists in Portsmouth: frequently asked questions

Who is the best dentist in Portsmouth?

By DR Score, the top-ranked dentist in Portsmouth, NH is Dr. Melanie K. Harden, DMD (DR Score 78/100). It has a 5.0★ rating from 1 Google reviews. Dr. Rebecca M. Groves, DMD (#2) and Hamilton Patricia (#3) follow. We ranked 47 clinics on 6 factors, last updated October 21, 2026.

Where can I find an emergency dentist in Portsmouth?

No Portsmouth clinic lists emergency care, but 6 are open after 6 PM, led by Ocean Shades Dental (#5) and Dr. Richard Liu (#27). For facial swelling, trouble breathing or uncontrolled bleeding, go to a hospital emergency department.

How much is a dental cleaning in Portsmouth?

A dental cleaning in Portsmouth typically costs $75–$200 (USD) without insurance. Source: DentistsRanked estimate from typical fees, adjusted for New Hampshire. Exams and X-rays are often billed separately, and insurance or Medicaid can cover part of the cost.

Who is the best kids' dentist in Portsmouth?

Portsmouth Pediatric Dentistry & Orthodontics is the highest-ranked Portsmouth clinic with a pediatric dentist on staff, at #7 of 47 by DR Score. It is open 5 days a week. 4 Portsmouth clinics have a pediatric dentist in our data.

How many dentists are there in Portsmouth?

DentistsRanked lists 47 dental clinics in Portsmouth, NH, and 47 are ranked by DR Score. 6 are open after 6 PM. The most common listed service is general dentistry, at 47 clinics. Counts are as of October 2026.

Update log for Portsmouth

  1. : DR Scores recalculated for 47 clinics.
  2. : 44 duplicate listings merged.