Periapical replacement resorption of permanent, vital, endodontically treated incisors after orthodontic movement: Report of two cases

Radiographic observations show that periapical replacement resorption (PARR) is a frequent and unpredictable sequella of orthodontic movement of permanent maxillary incisors. Only the apical root portion undergoes resorption, and it is subsequently replaced with normal bone. PARR also occurs without...

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