Advanced Cosmetic Dentistry in Middletown,CT, will give you the life-changing smile you’ve always dreamed of! Advanced Cosmetic Dentistry founder Dr. Peter Nelson is the one dentist who really can improve your life experiences through the superior results that only true cosmetic dentistry can achieve. And all through spa-like, gentle, pain-free treatments that will forever change the way you feel about going to the dentist! As a family cosmetic dentist we offer cosmetic dentistry services as well as general dentist services.