대한구강악안면방사선학회

Korean Academy of Oral and Maxillofacial Radiology

학회지

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오훼돌기에 매복된 과잉치: 증례보고
저자 : 박원서, 이제호, 박혁, 정호걸, 김기덕
2010년|40권 2호|Page : 89-91|조회수 378
Full Text : 2010_89.pdf (213.8K)
대한구강악안면방사선학회지 2010; 40 : 89-91 Korean

 Impacted supernumerary tooth in coronoid process: a case report

 Park W*,****, Lee JH**, Park H***,****, Jung HG***,****, Kim KD*,****

 *Department of Advanced General Dentistry, College of Dentistry, Yonsei University
 **Department of Pediatric Dentistry, College of Dentistry, Yonsei University
 ***Department of Oral and Maxillofacial Radiology, College of Dentistry, Yonsei University
 ****Human Identification Research Center, College of Dentistry, Yonsei University

 Impaction of tooth is a situation in which an unerupted tooth is wedged against another tooth or teeth or otherwise located so that it cannot erupt normally. The supernumerary tooth is also called as hyperdontia and defined as the condition of having additional tooth to the regular number of teeth. The most common supernumerary tooth is a mesiodens, which is a mal-formed, peg-like tooth that occurs between the maxillary incisors. The supernumerary tooth is commonly impacted but they are frequently impacted on maxilla. Ectopic impaction of supernumerary tooth on mandibular condyle, coronoid process, ascending ramus, and pterygomandibular space is very rare condition. In this case, we report a case of impacted supernumerary tooth on mandibular sigmoid notch without definite pathologic change. (Korean J Oral Maxillofac Radiol 2010; 40 : 89-91)

 KEY WORDS : Supernumerary tooth, Impaction, Coronoid process

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