title: Morphological evaluation of pin perforation sites.
mesh_terms: D003739:Dental Cementum / Q000293:injuries*; D003743:Dental Enamel / Q000293:injuries*; D003772:Dental Pins / Q000009:adverse effects*; D006801:Humans; D008855:Microscopy, Electron, Scanning; D014082:Tooth Fractures / Q000209:etiology