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KMID : 1144020170130010006
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Journal of Korean Association for Disability and Oral Health
2017 Volume.13 No. 1 p.6 ~ p.13
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ERUPTION GUIDANCE OF MAXILLARY PREMOLARS WITH DELAYED DEVELOPMENT
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Ha Na
Kim Young-Jin
Kim Hyun-Jung
Nam Soon-Hyeun
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Abstract
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Premolars show the greatest variation in development and eruption. The present case report identified characteristics of eruption of maxillary premolars with delayed development. Multiple maxillary premolars with delayed development were found to have a palatal ectopic eruption pattern, which was self-corrected through eruption guidance by extraction of preceding primary teeth at the stage of root development when eruption force was maximal. In addition, delayed eruption due to delayed development was substantially improved by eruption guidance. Early erupted premolars with less than 1/3 of root development were induced to have normal root development using stabilizing appliance. The maxillary premolars with delayed development reported in the present study showed no complications such as impaction, space loss by delayed eruption, or insufficient root development.
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KEYWORD
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Delayed development, Maxillary premolar, Eruption guidance
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