[Isolation and cavity preparation handling as the cause of periodontal lesions].
D003737:Dental Cavity Preparation / Q000009:adverse effects*; D003762:Dental Instruments / Q000009:adverse effects; D006801:Humans; D010510:Periodontal Diseases / Q000209:etiology*
Manobras de isolamento e preparo cavitário como causa de lesão periodontal.