Lavonia Chamber of Commerce Members Go back to directory. Add to Address Book. Lavonia Laser Dentistry Lavonia Laser DentistryDMD, PC Contact: Michael Callahan Work 12991 Jones St. Lavonia Georgia 30553 work Work Phone: 706-356-1477work Work Email: lavonialaserdentistry@gmail.comINTERNET Categories: Medical and Dental Updated 2 months ago.