52例青少年骨性安氏Ⅱ类高角病例切牙区牙槽骨开窗和骨开裂的锥形束CT特点

冯建坤* 高建红

doi:10.16098/j.issn.0529-1356.2019.02.016

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解剖学报 ›› 2019, Vol. 50 ›› Issue (2) : 241-244. DOI: 10.16098/j.issn.0529-1356.2019.02.016

解剖学

52例青少年骨性安氏Ⅱ类高角病例切牙区牙槽骨开窗和骨开裂的锥形束CT特点

冯建坤^1*高建红²

作者信息 +

Fenestration and dehiscence in anterior alveolar bone of 52 adolescent patients with skeletal class Ⅱ and high-angle malocclusion assessed with cone-beam computed tomography

FENG Jian-kun^1* GAO Jian-hong²

Author information +

文章历史 +

摘要

目的应用锥形束CT(CBCT）探讨52例青少年骨性安氏Ⅱ类高角错畸形切牙区骨开窗和骨开裂的发生率及分布情况，为临床正畸治疗提供一定的依据。方法自2013年7月至2018年1月于承德市口腔医院进行CBCT检查的患者中，随机选取临床诊断为骨性Ⅱ类高角错畸形青少年病例52例，将其扫描数据导入SIDEXIS XG 2.56软件，在测量平面上根据定义诊断上下切牙区牙槽骨骨开窗和骨开裂，并采用χ²检验的方法对其分布在性别、上下颌骨、牙位间的差异进行数据分析。结果在样本人群中牙槽骨缺损的发生率高达86.53%。其中骨开窗和骨开裂的发生率分别为65.38%和67.30%。416颗纳入牙中82颗牙齿出现骨开窗,107颗牙齿出现骨开裂。骨开裂发生率在牙位间差异显著（P<0.05)。骨开窗发生率上下颌骨差异无统计学意义（P>0.05）,骨开裂则主要发生于下颌骨（P<0.05)。男性与女性切牙区牙槽骨骨开窗与骨开裂的发生率差异无显著性。结论青少年骨性安氏Ⅱ类高角错畸形患者在正畸治疗前切牙区即存在广泛的牙槽骨缺损，正畸治疗开始前及过程中医师应密切关注患者牙槽骨解剖形态。

Abstract

Objective To investigate the incidence of dehiscence and fenestration in anterior alveolar bone of 52 adolescent patients with skeletal class Ⅱ and high-angle malocclusion assessed with cone-beam computed tomography, to assist clinical orthodontic treatment. Methods Fifty-two patients aged from 13 to 20 with skeletal class Ⅱ high-angle malocclusion were randomly collected from those who take cone-beam computed tomography（CBCT）examination in Hospital of Stomatology Chengde. Images of all patients were imported to SIDEXIS XG 2.56 software to determine the incidence of the dehiscence and fenestration in anterior alveolar bone. The χ² test analysis was used to evaluate the incidence differences between sex and jaw as well as tooth site respectively. Results The incidence of the alveolar bone defect was 86.53% with the fenestration incidence(65.38%)and the dehiscence incidence(67.30%) respectively.Eighty-two teeth fenestration and 107 teeth dehiscence were detected out of 416 teeth. The incidence of the fenestration in both jaws was similar(P>0.05) whereas the incidence of the dehiscence in maxillary was lower than the mandibular(P<0.05).Difference incidence is positively related with tooth site(P<0.05) but negatively with sex.Conclusion Dehiscence and fenestration of the adolescent patients with skeletal classⅡand high-angle malocclusion are widely existed in anterior alveolar bone area before the orthodontic treatment. The orthodontics should pay close attention to the alveolar morphology before and during the treatment.

导出引用

冯建坤高建红. 52例青少年骨性安氏Ⅱ类高角病例切牙区牙槽骨开窗和骨开裂的锥形束CT特点[J]. 解剖学报. 2019, 50(2): 241-244 https://doi.org/10.16098/j.issn.0529-1356.2019.02.016

FENG Jian-kun GAO Jian-hong. Fenestration and dehiscence in anterior alveolar bone of 52 adolescent patients with skeletal class Ⅱ and high-angle malocclusion assessed with cone-beam computed tomography[J]. Acta Anatomica Sinica. 2019, 50(2): 241-244 https://doi.org/10.16098/j.issn.0529-1356.2019.02.016

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