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上颌第一磨牙腭侧双根管罕见,临床医师应熟悉根管系统的正常解剖,警惕可能出现的根管变异。本文报告1例左上颌第一磨牙慢性牙髓炎急性发作患者,经检查26有4个根管,分别为近中颊根管、远中颊根管、近中腭根管和远中腭根管。当怀疑患牙存在根管变异时,临床医师应仔细检查髄室底,通过改变X线投照角度,进一步确定是否存在根管变异,以明确诊断,防止遗漏根管,确保成功进行根管治疗。
The first palatal maxillary first root canal palate rare, clinicians should be familiar with the normal anatomy of the root canal system, guard against possible root canal variation. This article reports a case of acute maxillofacial first acute pulpitis patients with acute pulpitis, the examination of 26 has 4 root canal, respectively, near the mesiobuccal canal, distal mesogeny canal, near the palate root canal and distal palate root tube. When there is suspicion of presence of root canal variability in patients with teeth, clinicians should carefully check the 髄 room bottom, by changing the X-ray projection angle to further determine the existence of root canal variability in order to confirm the diagnosis to prevent the omission of the root canal to ensure successful root canal therapy .