• Title/Summary/Keyword: 법랑모세포섬유종

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Successful Conservative Surgical Treatment of Ameloblastic Fibroma in the Posterior Maxilla : A Case Report (상악 구치부에 발생한 법랑모세포섬유종의 성공적인 보존적 수술 : 증례 보고)

  • Lee, Youngeun;Ahn, Hyojung;Lee, Sooeon;Kim, Euncheol;Choi, Sungchul
    • Journal of the korean academy of Pediatric Dentistry
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    • v.40 no.4
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    • pp.321-327
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    • 2013
  • Ameloblastic fibroma (AF) is a rare odontogenic ectomesenchymal tumor that is frequently seen in the first two decades of life, and occurs in the mandible. The most proper management of AF has been a recent topic of debate because of its recurrence and malignant transformation. This report describes AF in a 4-year-old male, which was a unilocular radiolucency on the maxillary right primary molar area with a scalloped border and corticated margin. The tumor was treated conservatively with enucleation and curettage, and the decision was made to preserve the right primary second molar. A biopsy confirmed it as AF. During the 43 months of follow-up, the patient had no evidence of recurrence or malignant transformation. Moreover, the radiographic examination revealed the generation of tooth germ to be a permanent second premolar. This report shows a case of AF in the posterior maxilla of a 4-year-old boy and discusses the conservative therapeutic approach to this tumor. Therefore, the age of the patients should be an important consideration when choosing conservative or radical surgery in a young AF patient.

ERUPTION DISTURBANCE OF THE LOWER LEFT FIRST PERMANENT MOLAR CAUSED BY AMELOBLASTIC FIBROMA (법랑모세포섬유종에 의한 하악 제1대구치의 맹출 장애)

  • Kim, Seung-Hye;Song, Je-Seon;Son, Heung-Kyu;Choi, Hyung-Jun;Lee, Jae-Ho
    • Journal of the korean academy of Pediatric Dentistry
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    • v.37 no.1
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    • pp.102-108
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    • 2010
  • Impaction is the cessation of eruption process caused by physical obstacles on the eruption pathway, abnormal tooth position, or lack or space. It often occurs in association with supernumerary teeth, odontogenic tumor, or cystic lesions, and ameloblastic fibroma is one of the odontogenic tumors that can cause impaction of teeth. In many cases, ameloblastic fibroma occurs in association with one or more unerupted teeth. The proper management of ameloblastic fibroma is determined between conservative resection or more aggressive block resection, based size and morphologic features of the lesion and age of the patient. This is a case of a 8 year and 6 month old boy whose lower left permanent molar showed eruption disturbance. The impacted tooth was successfully repositioned favorably through surgical exposure and orthodontic traction using a modified halterman appliance. Long term follow-up, longer than 10 years, is planned considering relatively high recurrence rate and possibility of malignant transformation of ameloblastic fibroma, which cause impaction of the lower left permanent molar in this case.

AMELOBLASTIC FIBROMA IN MIXED DENTITION : A REPORT OF 2 CASES (법랑모세포섬유종 환아에 관한 증례보고)

  • Kwon, Joung-Hyun;Lee, Jae-Ho;Choi, Hyung-Jun;Choi, Byung-Jai;Son, Heung-Kyu;Kim, Seong-Oh
    • Journal of the korean academy of Pediatric Dentistry
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    • v.34 no.2
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    • pp.309-314
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    • 2007
  • Ameloblastic fibroma is a rare benign tumor, accounting for only 2.5% of odontogenic tumors. It occurs during the period of tooth formation between the ages of 5 and 20 years with the average age being about 15. There is no gender predilection. In the majority of cases, the lesion arises in the mandible, presenting the swelling of jaw and the failure of tooth eruption. In this report, the main concern of the patient was the failure of eruption of lower permanent and deciduous molars. Radiographic investigation showed a radiolucency surrounding the crown of unerupted teeth. Surgical intervention and histopathologic study revealed the lesion to be ameloblastic fibroma. After the surgery, no evidence of residual tumor or recurrency was found. These patients are scheduled for the long-term continuing evaluation of the eruption of adjacent teeth and successor with radiographic study.

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