Clínica dental. Dr. Carlos Troncoso Escobar. Fonos: 43 2 874816 / 984028300 is located in Laja, Chile on Balmaceda 351. Clínica dental. Dr. Carlos Troncoso Escobar. Fonos: 43 2 874816 / 984028300 is rated 3 out of 5 in the category occupational safety and health in Chile.