7 clinics ranked by DR ScoreUpdated 0 paid placements in this rankingHow we rank →
Top DR Score among weekend and evening dentists: Implants and Root Canals of Nashua, 5.0★ from 193 Google reviews, open evenings until 8 PM, Saturdays until 8 PM and Sundays until 2 PM.
Best for Saturdays: Sedation Dentists of New England- Nashua, 5.0★ from 16 Google reviews, open 7 days until 8 PM.
Best for evenings: We Care Dental, P.L.L.C., DR Score 57, open evenings until 7 PM and Saturdays until 3 PM.
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7 of Nashua’s 54 clinics open Saturdays, Sundays or after 6pm, as of October 2026. 7 open on Saturdays, 2 on Sundays and 3 after 6pm. 1 are open 7 days a week.
| Rank | Clinic | DR Score | Rating (reviews) | Evenings / weekends | Best for |
|---|---|---|---|---|---|
| 1 | Implants and Root Canals of Nashua | 69 | 5.0★ (193) | Evenings · Sat · Sun | Top DR Score among weekend and evening dentists |
| 2 | Sedation Dentists of New England- Nashua | 68 | 5.0★ (16) | Evenings · Sat · Sun | Best for Saturdays |
| 3 | We Care Dental, P.L.L.C. | 57 | — | Evenings · Sat | Best for evenings |
| 4 | Joseph T. Simonson, DMD CAD-CAM Dental Center of Greater Nashua | 47 | — | Sat | — |
| 5 | Sterling Smiles P.C | 47 | — | Sat | — |
| 6 | Dr. Denise Chow, Dr. Bridget Ko, Dr. John Diune, and Dr. Michael H. Chow | 47 | — | Sat | — |
| 7 | Lang's Dental Center | 43 | — | Sat | — |
Posted weekly hours for the highest-ranked clinics open on weekends or after 6pm.
Implants and Root Canals of Nashua#1
Mon–Tue 7 AM–8 PM · Wed closed · Thu–Fri 7 AM–8 PM · Sat 9 AM–8 PM · Sun 9 AM–2 PM
Evenings · Saturday · Sunday
Sedation Dentists of New England- Nashua#2
Mon–Fri 7:30 AM–8 PM · Sat 9 AM–8 PM · Sun 9 AM–2 PM
Evenings · Saturday · Sunday
Mon 11 AM–7 PM · Tue 9 AM–5 PM · Wed 9 AM–4 PM · Thu 9 AM–3 PM · Fri closed · Sat 9 AM–3 PM · Sun closed
Evenings · Saturday
Joseph T. Simonson, DMD CAD-CAM Dental Center of Greater Nashua#4
Mon–Thu 8 AM–5 PM · Fri closed · Sat 7 AM–12 PM · Sun closed
Saturday
Mon closed · Tue 8 AM–5 PM · Wed 8 AM–6 PM · Thu 8 AM–5 PM · Fri–Sat 8 AM–2 PM · Sun closed
Saturday
Dr. Denise Chow, Dr. Bridget Ko, Dr. John Diune, and Dr. Michael H. Chow#6
Mon 8 AM–5 PM · Tue closed · Wed 8 AM–5 PM · Thu closed · Fri 8 AM–12 PM · Sat 8:30 AM–12 PM · Sun closed
Saturday
Mon 8 AM–6 PM · Tue 9 AM–6 PM · Wed 8 AM–6 PM · Thu 9 AM–6 PM · Fri 8 AM–6 PM · Sat 8 AM–3 PM · Sun closed
Saturday
Ordered by DR Score, a 0–100 score from 6 published factors. Scores refresh weekly.
Ranked #1 because of its Google rating and review volume: 5.0★ from 193 Google reviews, the most Google reviews in Nashua (193).
115A Daniel Webster Hwy, Nashua, NH 03060
Ranked #2 because of its Google rating and access: 5.0★ from 16 Google reviews, open 7 days until 8 PM.
345 Amherst St #7, Nashua, NH 03063, United States
Ranked #3 because of services and access: 17 of 17 services offered, open evenings until 7 PM and Saturdays until 3 PM.
Based on access, services and profile completeness; Google ratings not yet collected.
General dentistryCleaningEmergency careRoot canalExtractionWisdom teethImplantsInvisalign+9 more
505 W Hollis St Suite 212, Nashua, NH 03062
Ranked #4 because of services and access: 17 of 17 services offered, open Saturdays until 12 PM.
Based on access, services and profile completeness; Google ratings not yet collected.
General dentistryCleaningEmergency careRoot canalExtractionWisdom teethImplantsInvisalign+9 more
505 W Hollis St STE 113, Nashua, NH 03062
Ranked #5 because of services and access: 17 of 17 services offered, open Saturdays until 2 PM.
Based on access, services and profile completeness; Google ratings not yet collected.
General dentistryCleaningEmergency careRoot canalExtractionWisdom teethImplantsInvisalign+9 more
STERLING SMILES, a unique dental office committed to making our patients feel comfortable, relaxed, and confident that your wellbeing is our top priority. Our services are aimed to provide our patients with an outstanding dental experience as we welcome you into our friendly environment.
From Sterling Smiles P.C's own description. Not part of the ranking.305 Main St, Nashua, NH 03060, United States
Ranked #6 because of services and access: 17 of 17 services offered, open Saturdays until 12 PM.
Based on access, services and profile completeness; Google ratings not yet collected.
General dentistryCleaningEmergency careRoot canalExtractionWisdom teethImplantsInvisalign+9 more
Welcome to Southern New Hampshire Orthodontics and Children’s Dentistry! We are a family team consisting of a pediatric dentist, an endodontist, and three orthodontists! As dental specialists, Dr. Michael H. Chow, Dr. Denise Chow, Dr. John Diune and Dr. Bridget Ko, have invested additional training beyond dental school to make sure that you and your family are provided with the highest quality of care in a friendly and comfortable environment.
From Dr. Denise Chow, Dr. Bridget Ko, Dr. John Diune, and Dr. Michael H. Chow's own description. Not part of the ranking.60 Main St, Nashua, NH 03060, United States
Ranked #7 because of services and access: 17 of 17 services offered, open Saturdays until 3 PM.
Based on access, services and profile completeness; Google ratings not yet collected.
General dentistryCleaningEmergency careRoot canalExtractionWisdom teethImplantsInvisalign+9 more
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This list covers the 7 Nashua clinics that open Saturdays, Sundays or after 6pm. We scored 7 Nashua clinics on 6 factors: reputation 45%, review volume 15%, recency 10%, access 15%, services 10%, profile completeness 5%. 2 were excluded (2 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.
| Factor | Weight | Computed from | In Nashua data |
|---|---|---|---|
| Reputation | 45% | Bayesian-adjusted Google star rating | Measured |
| Review volume | 15% | log10(review count) against the city maximum | Measured |
| Recency | 10% | Share of reviews in the last 12 months | Measured |
| Access | 15% | Evenings, Saturday, Sunday, same-day/emergency, accepting new patients | Measured |
| Services | 10% | Services offered out of 17 | Measured |
| Profile completeness | 5% | Named dentists, years open, languages, insurance, photos | Measured |