Quick answer
Our top ranked dental practice in Portland, Maine is Dr. Catalina Atienza, DMD, rated 5.0 out of 5 across 491 public reviews. Other top choices include Dr. Leonard Brennan, DMD and Aspen Dental Of Maine PC. Portland has a population of about 66,318, and the 5 strongest local practices are compared on this page.
Sorting the standout dental offices in Portland, Maine from the rest takes real comparison, which is what this page is for. We combined patient review data with verified provider records so the ranking reflects both reputation and real credentials. Every practice below is a real, registered provider serving the Portland area.
Across the 5 top practices we highlight in Portland, patients can access general dentistry and implants. 1 of these practices on this page offers implants. The Portland practices on this list average 20 years in practice, with Dr. Catalina Atienza, DMD among the most established at 20 years. Listed offices serve several parts of the city, including the 04103, 04102 ZIP areas. Together these practices hold 1,654 public Google reviews, led by Dr. Catalina Atienza, DMD with 491. The average rating across this Portland list is 4.9 out of 5.
Reach patients searching in Portland
A featured placement shows your practice first to Portland patients, with your website one click away.
Claim your spot👑Highest rated in Portland — 5.0★ from 491 patient reviews.
A Portland dental office focused on general dentistry, a well established practice with 20 years of experience. Rated 5.0 out of 5 across 491 public Google reviews.
General Dentistry
- Experience
- 20+ years in practice
General dentistry in Portland, delivered by serving patients for 19 years. Rated 5.0 out of 5 across 342 public Google reviews.
General Dentistry
- Experience
- 19+ years in practice
A Portland dental office focused on general dentistry, serving patients for 19 years. Rated 4.8 out of 5 across 443 public Google reviews.
General Dentistry
- Experience
- 19+ years in practice
#4
Provides implants for Portland families, a well established practice with 20 years of experience. Rated 5.0 out of 5 across 182 public Google reviews.
Implants
- Experience
- 20+ years in practice
#5
Provides general dentistry for Portland families, a well established practice with 20 years of experience. Rated 4.9 out of 5 across 196 public Google reviews.
General Dentistry
- Experience
- 20+ years in practice
Portland Dentists Compared at a Glance
Ratings on this list run from 4.8 to 5.0, review counts from 182 to 491, and registry records from 19 to 20 years.
We matched 5 of these 5 Portland practices to the official US National Provider Identifier registry, and 5 carry a public Google rating. Details were last reviewed on August 27, 2026.
Made the Portland top list?
Show it off with our free badge, a simple embed that links back to your Portland listing.
Claim your badgeHow Portland Compares With Nearby Cities
The practices we list in Portland, Maine average 4.9 stars. That matches the nearby cities shown here.
| City | Average rating | Practices ranked | Top pick |
|---|
| Portland | 4.9 | 5 | Dr. Catalina Atienza, DMD |
| Lewiston | 4.9 | 5 | Dr. Helen Barbarick, DMD |
| Bangor | 4.9 | 5 | Dr. Rachel Lukas, DMD |
| South Portland | 4.9 | 5 | Dr. John Corey, DMD PA |
Understanding Dental Care in Portland
Dental care covers the health of your teeth, gums, jaw, and the soft tissue of your mouth. General dentists in Portland, Maine provide checkups, fillings, crowns, and preventive care for the whole family. They refer you to specialists such as orthodontists or oral surgeons when you need advanced work.
Types of dental care available in Portland
General Dentistry4 of 5 listed practices
A general dentist handles the routine care most people need, from cleanings and exams to fillings and crowns. In Portland, offered by Dr. Catalina Atienza, DMD, Dr. Leonard Brennan, DMD, Aspen Dental Of Maine PC and 1 more.
Implants1 of 5 listed practices
An implant anchors a replacement tooth in the jaw, which looks natural and helps preserve the bone. In Portland, offered by Dr. Christina Gitto, DDS.
Dental care keeps advancing, from same day crowns to clear aligners. See what is new in dentistry and what to ask your Portland dentist.
How We Rate Dentists
Rankings for Portland, Maine come from one score per practice that blends reviews, credentials, experience, and online presence. Ads are labeled and kept apart from the list.
Read our full ranking methodologyHow to Choose the Right Dentist in Portland
Check how long each practice has been around
Among the 5 practices listed in Portland, Maine, registry records show an average of 20 years in operation, and 5 have been on record for 15 years or more. Dr. Catalina Atienza, DMD has the longest record at 20 years. A long track record usually points to steady, consistent care.
Check what patients say
The listed Portland, Maine practices hold 1,654 public Google reviews between them, with an average rating of 4.9. A score backed by many reviews, like the 491 for Dr. Catalina Atienza, DMD, tells you more than a perfect rating from a handful of patients. Look for recent reviews that mention wait times and how procedures felt.
Match services to what you need
1 of the 5 listed Portland, Maine practices offers services beyond general dentistry, including implants. If you need implants, consider Dr. Christina Gitto, DDS.
Think about location
The practices here are spread across 2 ZIP codes (04103 and 04102). Being close by matters most if you have kids or need several visits for one treatment.
Start with a checkup
The best test of a Portland, Maine dentist is a first visit. Notice whether they explain findings clearly and give you options before recommending work.
What to Expect at Your First Visit in Portland
New patient visits in Portland, Maine follow a familiar, unhurried pattern. A hygienist often cleans your teeth first, then the dentist reviews the findings with you. You leave with a written plan, an estimate for any work, and a recommended schedule for the next visit.
Dental Costs and Insurance in Portland
In Portland, Maine, the cost of a visit depends mostly on the work involved and your plan. Routine care is the affordable part; restorative and cosmetic treatment is where costs climb. Ask each Portland office for an estimate and about payment plans before you book.
Questions to Ask a Portland Dentist
A short list of questions saves time and money when choosing a dentist in Portland, Maine.
- ✓If I need an implant, do you place it here or refer me to a surgeon, and what does the full process cost?
- ✓Which services do you provide in house, and what would you refer out to a specialist?
- ✓Is the office accessible for patients with limited mobility?
- ✓Do you accept my dental insurance, and can you estimate my out of pocket cost before treatment?
- ✓How far ahead do I usually need to book a cleaning or checkup?
Frequently Asked Questions
Who is the top rated dentist in Portland?+
Dr. Catalina Atienza, DMD holds the number 1 spot on our Portland list, with a 5.0 star Google rating from 491 reviews. Dr. Leonard Brennan, DMD ranks second with a 5.0 rating.
Which dentist in Portland has the most reviews?+
Dr. Catalina Atienza, DMD has the most public Google reviews among the practices we list in Portland, with 491. Across all 5 listed practices there are 1,654 reviews in total.
What is the average rating of dentists in Portland?+
In Portland, Maine, the 5 rated practices we list average 4.9 out of 5 on Google, and the highest rating is 5.0.
Which Portland dental practice has been open the longest?+
Of the practices we list, Dr. Catalina Atienza, DMD has the longest record in the national provider registry, at more than 20 years. The average across the list is 20 years.
What dental services are available in Portland?+
Besides general dentistry, the listed Portland, Maine practices offer implants (1 practice).
Where are the top dentists in Portland located?+
The Portland practices we list are in ZIP codes 04103 and 04102. The biggest cluster is in 04103, with 3 of the 5.
How do you choose the top dentists in Portland?+
We scored 5 Portland practices on patient reviews, review volume, registry verified credentials, years in practice, and online presence, then ranked them. Dr. Catalina Atienza, DMD came out on top.
Can dentists pay to rank higher?+
No. A practice can buy a clearly labeled sponsored spot on the Portland, Maine page, but the organic order is set only by our scoring.