Dr. Agata Lesniewski


Dr. Agata Lesniewski

Dr. Agata Lesniewski earned her Certificate in Periodontics from the VA Greater Los Angeles Healthcare System and completed her Doctor of Dental Surgery (DDS) and Master of Public Health (MPH) degrees at Stony Brook University School of Dental Medicine. She also holds a Bachelor of Arts in Mathematics and Economics from New York University, reflecting her strong analytical and problem-solving abilities that enhance precision in periodontal care.

As a periodontist in Fairfield, CT, Dr. Lesniewski has extensive experience in both surgical and non-surgical treatment of periodontal disease. Her clinical expertise includes gum grafting, dental implants, tooth extractions, sinus lifts, and bone grafting, helping patients restore gum health and rebuild lost bone with predictable, long-term results.

Dr. Lesniewski is known for her gentle, compassionate approach and for creating personalized periodontal treatment plans tailored to each patient’s needs. She is proud to serve patients at Fairfield Smiles and Wilton Smiles, building lasting relationships and helping individuals throughout Fairfield and surrounding Connecticut communities achieve healthy gums, strong bone support, and confident smiles.