Browse specialtiesSee all specialties A-Z
Chiropractors
Dentists
Dermatologists
Ear, Nose & Throat Doctors
Endocrinologists
Eye Doctors
OBGYNs
Ophthalmologists
Optometrists
Orthopedic Surgeons
Podiatrists
Primary Care Doctors
Psychiatrists
Psychologists
Therapist-Counselors
Discover
Are you a top doctor or health service?
Discover
Are you a top doctor or health service?
Confident Smiles & Implants
2 specialties4122 Keaton Crossing Blvd, O'Fallon, MO5.00
Patient reviews
All reviews have been submitted by patients after interacting with the practice.
Overall rating
5.00
Wait time
4.93
Bedside manner
5.00
Insurances accepted
99% of patients have successfully booked with these insurances
Aetna
BlueCross BlueShield
Delta Dental
Guardian
Metlife
Book an appointment for freeThe office partners with Zocdoc to schedule appointments
Scheduling details
All procedures
See if they’re in-network
Available appointments
All provider availability
Today, Apr 1 – Tue, Apr 14
Insurances accepted
99% of patients have successfully booked with these insurancesAetnaBlueCross BlueShieldDelta DentalGuardianMetlife
1 office location
Providers at Confident Smiles & Implants (0)
No results
This practice has no doctors that match your search criteria.
Patient reviews
All reviews have been submitted by patients after interacting with the practice.
Overall rating
5.00
Wait time
4.93
Bedside manner
5.00
Your trust is our top concern, so providers can't pay to alter or remove reviews. We also don't publish reviews that contain any private patient health information. Learn more here
33 reviews
Most relevant
I felt very comfortable and relaxed. From the front desk to the doctor and assistants, everyone was helpful and informative.
ADVerified patient
Painless, fast,comfortable conditions good people,once again thank you all
January 29, 2026steven T.Verified patient
Everyone involved made for a great experience. Highly recommend!
November 16, 2025James L.Verified patient
Absolutely 1st class and was very pleased with my dental needs.
KCVerified patient
I had a great experience with Dr.Brennan! He is very thorough!
HZVerified patient
It is very pleasant to arrive at a location where you are greeted warmly and made to feel comfortable from start to finish. The entire process was efficient and easy to navigate, thanks to the attentive staff. Thank you, Confident Smiles, for your exceptional service.
February 24, 2026Mario B.Verified patient
Beautiful office! Very warm and efficient.
January 25, 2026Initials hidden
This was my first visit, but the staff was very friendly, and extremely helpful. The Dr showed me the x-rays, and explained exactly what needed to be done. I was very happy with how my appointment went.
January 14, 2026Michele S.Verified patient
I am going back to finish out my beautiful smile. Great energy in office and his staff is amazing. He told me what was best, not what I wanted to hear. One of the best decision I made coming here. Thank all you guys.
January 7, 2026Shanetta J.Verified patient
The friendly atmosphere was welcoming. Dr. Brennan and the staff communicated very well and did not seem rushed. My questions were answered clearly. I would not hesitate to recommend Dr. Brennan and the staff. Thank you.
November 20, 2025Barbara F.Verified patient
Very pt and understanding
CDVerified patient
Very professional & knowledgeable
VWVerified patient
Office was very nice. front desk friendly. Was seated right away & dental assistant seemed to really listen to me. doctor was friendly. Really explained everything to me.
LJVerified patient
Highly recommend Confident Smiles and Implants. Dr. Brennan and the staff are very welcoming and kind. Dr. Brennan is very knowledgeable and I can tell he truly cares about my oral health and overall wellbeing.
MJVerified patient
Dr. Brennan fixed my broken tooth after explaining what needed to be done. I highly recommend Dr. Brennan for all dental needs.
JHVerified patient
February 18, 2026Michael N.Verified patient
February 18, 2026Christiani W.Verified patient
Initials hidden
Initials hidden
January 19, 2026Mary J.Verified patient
January 17, 2026Jenna D.Verified patient
Cozy and friendly environment with superb service. Karla, the Hygienist was great. Hayley, the Assistant was so sweet.
KCVerified patient
Dr. Sultan was very kind and understanding. He took the time to explain what needed to be done and why.
JHVerified patient
My doc is the man. Had a great fun conversation with him & he was very attentive with exam & care.
SMVerified patient
Visit was quick and pain free. 100%. Would recommend Dr Sultan to al of my family and friends.
JHVerified patient
Highly skilled, thorough with his exams, and very professional
VWVerified patient
I always feel comfortable that I will get the best care.
HBVerified patient
Quick and efficient
CDVerified patient
Dr Sultan and his staff always make you feel comfortable and welcomed. Couldn't have asked for a better dental experience from the new technology making x-rays less painful, clean and welcoming environment, and Dr Sultan taking the time to explain the treatment and why it's needed. Highly recommend!
MJVerified patient
Came in as an emergency broken tooth. Same day that I call. Happy to be seen so quickly! Staff wonderful. Dr. Sultan, very knowledgeable and best part fix my tooth the same day!
LJVerified patient
Dr. Sultan did lip filler for me. He made sure I was comfortable, went over the procedure prior to treatment and continuously checked in with me during the appointment. I am very pleased with my result! I have had so many compliments. Highly recommend!
HZVerified patient
Dr Sultan is very thorough with his exams and clearly gives all options to Restore the town. He never makes me feel bad for the state my teeth vein, always encourages more oral hygiene care.
KMVerified patient
CDVerified patient