an experimental study of maxillary incisors in dogs was carried out to test the hypothesis that demineralization of denuded root surfaces by citric acid to expose collagen matrix fibrils might improve the rate of periodontal regeneration after replantation of traumatically avulsed and dried teeth , provided that the root surface is not traumatized during replantation or postoperatively .
C0040426
teeth
C0040452
root