Specialties: Welcome to Sitwell Dental, your home for experienced and compassionate family dentistry! Our dentists provide high-quality dentistry combined with advanced technology to give you a smile you will be proud to show off. Dr’s John and Tiffany O’Brien are certified to provide innovative orthodontic techniques such as Invisalign and they provide advanced Dental Implant treatment including minimally invasive precision implant surgery. Established in 2017. Dr’s John & Tiffany O’Brien stated Sitwell Dental and have two offices, one office in Clifton Park and another office in Malta, NY.