KNOWING THE TRAPS OF PRIMARY FAILURE OF ERUPTION (PFE)-A CASE REPORT WITH SERIAL PANORAMIC RADIOGRAPHS AND CONE BEAM COMPUTERIZED TOMOGRAPHIC (CBCT) IMAGING

認知牙齒原始萌發失效的陷阱－病例報告含系列性全景X光片及電腦斷層影像

張恆銘(Heng-Ming Mark Chang) ； 王凱隆(Kai-Lung Wang) ； 黃穰基(Daniel Yong-Kie Wong) ； 高嘉澤(Chia-Tze Kao) ； 謝順築(Shun-Chu Hsieh) ； 周志真(Chih-Chen Chou) ； 陳雍(Yung Chen) ； 何國慶(Kwok-Hing Ho)

《中華民國齒顎矯正學雜誌》 27卷3期 (2016/06) Pp. 182-191

https://doi.org/10.30036/TJO.201606_27(3).0006

摘要

Introduction: Tooth eruption is a complex process and may fail to occur due to several reasons. Primary failure of eruption (PFE) is one of the rare eruption disturbances which do not related to any obstruction in the eruptive pathway or any systematic disorders. This type of eruption failure often affects the posterior teeth and results in subsequent posterior open bite. Any orthodontic attempt is ineffective due to lack of inherent eruptive potential of tooth. Case Report: An 8-year-old skeletal class II young boy with posterior open bites was referred to our department for the poor chewing function. Clinical finding showed infra-occluded first molars and submerged adjacent primary second molars in the UL and LR quadrants. Primary failure of eruption was diagnosed in this case and periodic radiographic examination, including panoramic radiographs and cone beam computerized tomography (CBCT) is performed. Early extractions of the submerged primary molars allowed the successors erupt normally according to our regular review. Discussion: Early diagnosis and regular review of the PFE case is essential. No orthodontic tooth movement or prosthodontic rehabilitation should be commenced until which teeth being affected have confirmed. Conclusion: Therapeutic treatment planning is inevitable in case with primary failure of eruption. Periodic examination and forming treatment plans accordingly is important in this type of case.

關鍵字

Primary Failure of Eruption ； PFE ； Ankylosis ； first molar eruption disorder ； PTH1R mutation

並列摘要

無資料

並列關鍵字

原發性萌發失效 ； PFE ； 牙根沾黏 ； 第一大臼齒萌發異常 ； 副甲狀腺受體1異常