ANovelTracingMethodinDifferentiatingbetweenEctopicOdontogenicFistulousandSinusInfections
IntroductionOdontogenicfistulousorsinustractisoneofthemanifestationsofchronicdentalinfections,whichprovidesapathfordrainageofpus,andinfection.Theopeningofanodontogenicfistulousorsinustractcanbelocatedeithereutopicorectopic.Itdependsonthelocationoftheperforationinthecorticalplatebytheinflammatoryprocessanditsrelationshiptofacialmuscleattachments.Anintraoralopening(parolis)usuallyindicatespresenceofnecroticpulp,chronicapicalabscess,rootfracture,periodontalabscessorevenoroantralfistula[1,2].本篇文章是介绍如何找到牙源性瘘管或窦道开口的位置
牙源性瘘管或窦道是慢性感染所造成。瘘管或窦道是脓液引流提供路径和感染的表现之一。牙源性瘘管或窦道开口可以位于患牙根尖部也可以位于其他部位。它由炎症扩散过程中与面部肌肉的附着的皮质骨所决定穿孔的位置。口内瘘管通常表明存在牙髓坏死、慢性根尖脓肿、根折、牙周脓肿或甚至口腔上颌窦瘘[1，2]。
*Correspondingauthor:Cheng-CheiWu,PhD
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