Peter McGowan DDS is located in the heart of Toledo, OH. Dr. McGowan is a family dentist that offers all types of dental treatment. Invisalign, whitening, laser treatment, as well as crown and bridge, cosmetic, and all general dental needs. We also offer dentists, teeth whitening, cosmetic dentists & dental cinics. Dr. McGowan can help you decide whether Invisalign is right for you. The most common issues include over crowded teeth, widely spaced teeth, crossbite, overbite, underbite, and crooked teeth.