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Oral & Maxillofacial Surgery Associates provides orthodontic care in South Portland, Maine, serving children, teens, and adults since 1980.

About Oral & Maxillofacial Surgery Associates
Extractions and oral surgery here are often done in under 20 minutes, with reviewers highlighting quick, low-pain recovery for teens and adults alike.
This is a general dental and oral surgery practice offering surgical orthodontics and TMJ treatment, though most reviews focus on extractions and wisdom teeth procedures rather than orthodontic care specifically. Reviewers frequently note how fast procedures are, with some describing full extractions completed in ten to twenty minutes and minimal soreness afterward. Anxious patients in particular mention feeling calmed throughout their visit, and the surgical team including Dr. Matthew Lawler, Dr. Matthew Jacobsen, Dr. Mark Zajkowski, and Dr. Killian MacCarthy is credited with explaining procedures and medication options before starting.
Summary of 202 patient reviews, September 2025–September 2026, updated September 2026
Oral & Maxillofacial Surgery Associates provides orthodontic care in South Portland, Maine, serving children, teens, and adults since 1980.
The practice specializes in surgical orthodontics and TMJ treatment, addressing complex alignment cases that involve both jaw position and bite function. Dr. Mark Zajkowski, Dr. Killian MacCarthy, Dr. Matthew Jacobsen, and Dr. Matthew Lawler are board-certified by the American Board of Orthodontics. Surgical orthodontics combines orthodontic treatment with corrective jaw surgery for patients with skeletal discrepancies that cannot be resolved through braces or aligners alone. The practice also provides TMJ treatment for temporomandibular joint disorders, which can cause jaw pain, clicking, and restricted movement. These services address both functional and aesthetic concerns related to jaw alignment. The practice accepts insurance and offers payment plans to help patients manage treatment costs. Online booking is available for scheduling consultations and appointments. With a 4.9 rating based on 1,781 Google reviews, the practice has established a presence in the South Portland area over more than four decades. Oral & Maxillofacial Surgery Associates serves patients throughout the South Portland region. Individual treatment recommendations depend on diagnostic assessment of each patient's specific orthodontic and surgical needs.
Treatments offered
Who They Treat
Oral & Maxillofacial Surgery Associates provides orthodontic treatment for the following age groups:
Orthodontists at this office
Dr. Mark Zajkowski, DDS, MD
NPI verified · no bio or photo on file
Dr. Matthew Jacobsen, DMD, MD
NPI verified · no bio or photo on file
Dr. Matthew Lawler, DMD
NPI verified · no bio or photo on file
Dr. Killian MacCarthy, DMD, MD
NPI verified · no bio or photo on file
Insurance accepted
5 plans listedWhat patients say
Latest review 7 weeks ago
What patients praise
Things to know
Who it suits
Doctors patients mention
Orthodontic care in reviews
Few reviews discuss orthodontic treatment specifically; the feedback above reflects general dental visits.
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| Theme | Praise | Criticism |
|---|---|---|
| The dentist | 78 | 2 |
| Friendly staff | 61 | 1 |
| Gentle, comfortable care | 57 | 0 |
| Clear explanations | 25 | 2 |
| Scheduling & wait times | 16 | 2 |
| Great with kids | 14 | 0 |
| Office & technology | 14 | 0 |
| Treatment timeline | 15 | 0 |
Recent reviews from Google
OSA is honestly the best oral & maxillofacial surgical center ever! Long story short, I cracked a tooth and was told I needed a root canal. Went for that procedure and was told the tooth could not be saved. I had a referral to OSA and they contacted me the same day. The referral specialist, Rachel, was so sweet and professional and went over the procedure explaining it perfectly to me. She sent me the patient questionnaire and medical form(s) immediately so I was able to get those done before my appointment. I had an appointment to have the tooth pulled and a bone graft performed. Two nights ago, I couldn't stand the pain any longer so I contacted their office Thursday morning and she said to come in within the hour! The office staff was so welcoming, friendly, and reassuring as were the clinical team members. I saw Dr. Lawler and he put me right at ease and was also very friendly. Once the novacaine hit, it was about 5 minutes to take out the tooth and perform the bone graft. I didn't feel a thing! I was so pleased as I had a horrible dentist growing up and an awful experience with a root canal 30 years ago. Dr. Lawler and Sarah were amazing! The explained the after care procedures and when the novacaine wore off, they even called in a prescription for some meds as Tylenol was not cutting it with the pain. I woke up pain free this morning and feel great! I even received a text message from OSA asking how I was doing. Now THIS is customer service! I highly recommend OSA for any of your non-general dentists needs. Sandy Hopkins
We had a wonderful experience with Oral & Maxillofacial Surgery Associates for my son’s wisdom teeth removal. From beginning to end, we were very impressed with the entire process. Scheduling was incredibly easy and quick, and we did not have to wait long to get his surgery scheduled. Everyone we encountered, starting with the front desk staff, was kind, polite, professional, and helpful. Dr. Matthew Lawler was wonderful with my son. He was very kind and reassuring and took the time to explain everything clearly so we knew exactly what to expect. The nurses were also extremely attentive and supportive. They carefully went over all of the discharge and aftercare instructions, and we left feeling completely prepared and without any unanswered questions. I especially appreciated that they called us the morning after surgery to check on how my son was doing. That personal follow-up meant a lot and made us feel very well cared for. The office is clean and welcoming, and the entire team is professional and caring. Everything from scheduling and insurance to the surgery and follow-up was smooth and efficient. My son’s surgery went very well, and we felt supported throughout the whole experience. Highly recommend Dr. Matthew Lawler and Oral & Maxillofacial Surgery Associates!
Absolutely loved the staff! First time in coming from a confusing start to getting dentures. The Doctor explained everything-then they even did all my paperwork, called the other practice (Dunston Dental) to receive the parts of this I need there, called them for me and set everything up! Now I'm well informed with a solid plan and dates on the calendar! Couldn't ask for more! They also except Maine care which is a huge relief to many of people I know!
Dr. Lawler & Caitlin are the best team! Their compassionate care, continuous communication & checking in during surgery made me feel completely comfortable and cared for - I left there smiling (showing my teeth) through a numb mouth more than I had in a long time! Thank you for taking such good care of me!
Dr Lawler and his staff were amazing. They were very informative, explaining the procedure I would have done. I would highly recommend anyone that needs oral surgical surgery care to go to OSA.
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