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INTRA-ALVEOLAR TRANSPLANTATION OF COMPLETELY CROWN-ROOT FRACTURED TOOTH WITH DEMINERALIZED FREEZED DRIED BONE GRAFT

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Abstract

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Intra-alveolar transplantation µîÀÌ ÀÖ´Ù.
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-Abstract-
Incidence of crown-root fracture, due to traumatic injury, have been reported 3% in
the permanent dentition, 2% in the deciduous dentition. There are two treatment
methods for crown-root fractured teeth with pulp exposure, when the fracture line was
located under the alveolar crest. One way is the extrusion by orthodontic force, the
other way is intra-alveolar transplantation which occlusally repositioning of apical
fragment in the alveolar socket.
Since Intra-alveolar transplantation has introduced in 1970's, it was practiced as
alternative to orthodontic extrusion. As the result, this method may thoughted that had
a good prognosis.
As a result of trauma, completely crown-root fracture was occured in the maxillary
right central incisor in this case.
We couldn't reposition the deepest fracture line above the alveolar crest by the
conventional surgical extrusion, because apical fragment was too short.
Thus, after extraction of apical fragment, we repositioned it to the socket following
demineralized freezed dred bone graft, which possible to support the apical fragment.
At the 15-month recall examination, the root still showed normal mobility and there
was not observed any inflammatory or replacement root resorption in the periapical
radiograph.

Å°¿öµå

¿Ü°úÀû Á¤Ãâ; Żȸ³Ãµ¿°ÇÁ¶°ñ; Ä¡°ü-Ä¡±Ù ÆÄÀý; Ä¡±ÙÈí¼ö; Intra-alveolar transplantation; Demineralized freezed dried bone graft; Crown-root fracture; root resorption;

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