Lesion sterilization and tissue repair (LSTR) is an alternative to extracting primary teeth in cases of gross periradicular pathosis and internal resorption. LSTR involves the use of a triple antibiotic paste to treat the infection that is causing the inflammation and retreat of tissue. Avoiding tooth extraction can be a great benefit for patients and practitioners and help extend the longevity of a child’s teeth. LSTR with triple antibiotic paste…