The radiographic features of odontogenic maxillary sinusitis on cone⁃beam computed tomography images
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    Abstract:

    Objective:To analyze the radiographic characteristics of odontogenic maxillary sinusitis(OMS)using cone-beam computed tomography(CBCT)images. Methods:CBCT data of 196 patients with OMS was collected,and was analyzed using NNT software. The etiologies of OMS and the situations of the etiologic teeth/roots were assessed,including the relationship between the radiographic periapical lesion or periodontal disease and the maxillary sinus floor(MSF),the previous endodontic therapy quality of the etiologic tooth/root,the integrity of the MSF and mucosal thickening. The maximum mucosal thickness and the minimum MSF thickness were measured. Results:Periapical lesion was the most important risk factor related to sinus mucosal thickening. Molars were 5.21 times more likely to be involved than premolars,whereas maxillary first molars(MFMs)were significantly higher than second molars(MSMs)to be involved(P < 0.05). Mesiobuccal(23.37%)and palatal roots(20.31%)of MFM were the common etiologic roots associated with OMS. The mean maximum mucosal thickness showed significant differences between destroyed and not destroyed MSF(P < 0.05). The correlation between inadequate endodontic treatment and OMS was closest,especially poor clean and obturation(35.25%)and missed canals(31.15%). Of the missed root canals,44.74% were the second mesiobuccal root canals of MFM. Conclusion:Adequate root canal treatment for effective control of apical infection and the protection of the MSF integrity are important factors for reducing the occurrence of OMS.

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张淬锋,李铭铭,冷迪雅,王 莹,荣 迪,周广超,孙 超,吴大明.牙源性上颌窦炎的锥形束CT影像学特征研究[J].南京医科大学学报(自然科学版英文版),2021,(7):1069-1074.

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History
  • Received:November 07,2020
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  • Online: July 25,2021
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