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KMID : 0358920120390010058
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Journal of the Korean Academy of Pedodontics
2012 Volume.39 No. 1 p.58 ~ p.65
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TREATMENT OF CROWN-ROOT FRACTURE USING FIBER-REINFORCED POST: A CASE STUDY
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Lim Hwa-Shin
Ra Ji-Young
Lee Kwang-Hee
An So-Youn
Kim Yun-Hee
Keum Ki-Seok
Lee Sang-Bong
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Abstract
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The crown-root fracture is defined as a fracture of tooth that contains enamel, dentin and cementum with or without pulp exposure. Generally the fracture lines place obliquely from labial surface, between incisal edge of the crown and marginal gingiva, to palatal surface subgingivally. If the fracture line is located supragingivally, the removal of tooth fragment and supragingival restoration can be performed. In subgingival fracture line, the surgical exposure, orthodontic eruption or surgical eruption can be considered. If the fracture line is too deep to restorate, extraction or decoronation can be selected. In children and adolescents, the extraction should be the last option. Another option to select before extraction is the restoration using fiber-reinforced post and the reattachment of tooth fragment. The fiber-rainforced post enhances the retention and the durability of tooth fragment. The reattachment of crown fragment using resin adhesive system is considered minimal invasive treatment biologically. This case reports the treatment of crown-root fracture using the reattachment of crown fragment and the insertion of fiber-reinforced post.
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KEYWORD
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Crown-root fracture, Fiber-reinforced post, Reattachment of crown fragment
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