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KMID : 0358920090360030475
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Journal of the Korean Academy of Pedodontics
2009 Volume.36 No. 3 p.475 ~ p.480
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MANAGEMENT OF INFRAOCCLUDED MANDIBULAR SECOND PRIMARY MOLARS: CASE REPORT
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Quark So-Youn
Kim Ji-Yeon
Park Ki-Tae
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Abstract
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An infraoccluded tooth is a tooth that has failed to erupt to be in line with adjacent teeth in the vertical plane of occlusion. Multiple complications can occur as a result of an infraoccluded tooth. Tipping of neighboring teeth, loss of space opposing teeth elongation, increased susceptibility to dental caries and abnormal eruption path, impaction and rotation of permanent successor are the consequences of infraocclusion of primary molar. Therefore, early diagnosis and treatment is the key to prevent the complications. Treatment options can be periodic follow-up, temporary restoration or extraction of the infraoccluded tooth depending on the presence of the successor, the extent of infraocclusion and the extent of tilting of the neighboring teeth. The infraoccluded primary molars with permanent successors present tend to exfoliate normally. However, failure to do periodic check up of the infraoccluded teeth may lead to serious complications. In these cases, surgical extractions are often necessary after space regaining and space maintainers should be placed until the eruption of the permanent successors are completed.
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KEYWORD
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Infraocclusion, Mandibular second primary molar, Extraction
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