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NTIS 바로가기大韓小兒齒科學會誌 = Journal of the Korean academy of pediatric dentistry, v.42 no.1, 2015년, pp.62 - 68
Supernumerary teeth (SNTs) refer to extra teeth over normal numbers. SNTs can influence adjacent teeth and structure. Therefore, it is important to find SNTs before they cause problems and to decide when to extract them. Etiology of SNTs has not exactly been found, but it has been proposed that gene...
핵심어 | 질문 | 논문에서 추출한 답변 |
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과잉치가 나타나는 대부분의 경우는? | 과잉치의 발생률은 약 3% 정도로 나타나며 여자보다 남자에서 2배 정도 발생률이 높다2). 90~98%의 과잉치는 상악에서 발생하고, 유치열보다 영구치열에서 나타나는 경우가 많다3). 과잉치는 상악 중절치 사이 정중부에서 가장 많이 나타나며 소구치 과잉치가 나타나는 경우는 매우 드물다3-6). | |
과잉치는 무엇인가? | 과잉치는 영구치열이나 유치열에서 정상적인 치아 수를 초과하여 나타난 치아를 이르는 용어이다1). 과잉치의 발생률은 약 3% 정도로 나타나며 여자보다 남자에서 2배 정도 발생률이 높다2). | |
rudimentary form은 무엇으로 나누어지는가? | 과잉치는 정상치와 형태가 비슷한 supplemental form과 형태가 다른 rudimentary form으로 나눌 수 있다2). Rudimentary form은 다시 원뿔형(conical form), 결절형(tuberculate form), 구치형(molariform)으로 나눌 수 있으며 임상적인 관점에서 결절형의 과잉치가 주변치아에 심각한 영향을 미치는 경우가 훨씬 많다1). |
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Hibbert S : A previously unreported association between Nance-Horan syndrome and spontaneous dental abscesses. Oral Surg Oral Med Oral Pathol Oral Radiol Endod, 99:207-211, 2005.
Mazzeu JF, Pardono E, Vianna-Morgante AM, et al. : Clinical characterization of autosomal dominant and recessive variants of Robinow syndrome. Am J Med Genet A, 143:320-325, 2007.
Half E, Bercovich D, Rozen P : Familial adenomatous polyposis. Orphanet J Rare Dis, 4:22, 2009.
Ferreira O, Jr., Cardoso CL, Capelozza AL, et al. : Odontogenic keratocyst and multiple supernumerary teeth in a patient with Ehlers-Danlos syndrome-a case report and review of the literature. Quintessence Int, 39:251-256, 2008.
Manrique Mora MC, Bolanos Carmona MV, Briones Lujan MT : Molarization and development of multiple supernumerary teeth in the premolar region. J Dent Child (Chic), 71:171-174, 2004.
Khambete N, Kumar R : Genetics and presence of non-syndromic supernumerary teeth: A mystery case report and review of literature. Contemp Clin Dent, 3:499-502, 2012.
De Oliveira Gomes C, Drummond SN, Jham BC, et al. : A survey of 460 supernumerary teeth in Brazilian children and adolescents. Int J Paediatr Dent, 18:98-106, 2008.
Scanlan PJ, Hodges SJ : Supernumerary premolar teeth in siblings. Br J Orthod, 24:297-300, 1997.
Batra P, Duggal R, Parkash H : Non-syndromic multiple supernumerary teeth transmitted as an autosomal dominant trait. J Oral Pathol Med, 34:621-625, 2005.
Salcido-Garcia JF, Ledesma-Montes C, Hernandez-Flores F, et al. : Frequency of supernumerary teeth in Mexican population. Med Oral Patol Oral Cir Bucal, 9:407-409; 403-406, 2004.
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