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KMID : 0362420140520040317
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Journal of Korean Academy of Prosthodontics
2014 Volume.52 No. 4 p.317 ~ p.323
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Full-mouth rehabilitation with CAD/CAM monolithic zirconia in dentinogenesis imperfecta: a case report
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Kim Min-Kyoo
Kim Sung-Hun
Lee Jai-Bong
Han Jung-Suk
Yeo In-Sung
Ha Seung-Ryong
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Abstract
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Dentinogenesis Imperfecta, with a high incidence rate of 1 : 6 - 8000, is inherited by autosomal dominant genetic transmission. This dental disorder causes discoloration of the teeth and the enamel and dentin show hypoplastic or hypocalcified defects which lead to frequent fractures and rapid attrition. Therefore, timely treatment is necessary for the preservation of the remaining teeth. In this particular case, a 19-year-old patient suffering from Type 1 dentinogenesis imperfecta showed signs of brownish hued teeth with multiple fractures, a loss of vertical dimension, excessive interdental space in the maxillary anterior teeth, and a lack of 5 posterior teeth. To improve the esthetic appearance of the anterior teeth, the vertical dimension was increased. Resin caps were used to alleviate the difficulty of taking an impression of multiple teeth at once. Monolithic zirconia materials used in this case showed high fracture strength and the ability to mask the discoloration of the teeth and therefore, functionally and esthetically favorable results were achieved.
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KEYWORD
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Denntinogenesis imperfecta, Zirconia, Full-mouth rehabilitation
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