Dr. Carlos Haroldo Del Valle Martinez General Dentistry & Orthodontia for Adults and Children 7a Calle 17-25, Zona 3 - Quetzaltenango, Guatemala Hours: Monday to Friday 9a.m. - 1p.m. & 2p.m. - 6p.m. Saturday by Appointment ONLY Telephone: (502) 7767-4526 Email: delvalle16@gmail.com