Erin B. Fink DDS Gallery Erin B. Fink DDS IATP Member, Montana Erin B. Fink DDS I am a general dentist that provides dental treatment for the entire family, including children. I am also a mother of two and a strong advocate for breastfeeding. Location: 122 2nd St SE Sidney, MT 59270 Erin B. Fink DDS Diana Hernandez 2018-09-21T18:03:02-07:00