Cone-beam computed tomography assessment of Schneiderian membranes: Non-infected and infected membranes, and membrane resolution following tooth extraction: A retrospective clinical trial

被引:10
作者
Hsu, Yuh-Hau [1 ]
Pan, Whei-Lin [1 ,2 ]
Chan, Chiu-Po [1 ,2 ]
Pan, Yi-Ping [3 ]
Lin, Cho-Ying [1 ]
Wang, Yuan-Min [1 ]
Chang, Chi-Ching [1 ]
机构
[1] Chang Gung Mem Hosp Taipei, Dept Periodont, 199 Dun Hwa North Rd, Taipei 10507, Taiwan
[2] Chang Gung Univ, Grad Inst Dent & Craniofacial Sci, Taoyuan, Taiwan
[3] Chang Gung Mem Hosp Keelung, Dept Nutr, Keelung, Taiwan
关键词
Lateral wall thickness; Maxillary sinus; Membrane thickness; Residual bone height; Schneiderian membrane; SINUS FLOOR ELEVATION; MAXILLARY SINUS; POSTERIOR MAXILLA; PARANASAL SINUSES; WALL THICKNESS; PREVALENCE; IMPLANTS; COMPLICATIONS; AUGMENTATION; SURVIVAL;
D O I
10.1016/j.bj.2019.03.001
中图分类号
Q5 [生物化学]; Q7 [分子生物学];
学科分类号
071010 ; 081704 ;
摘要
Background: Cone-beam computed tomography (CBCT) presurgical assessment on the maxillary sinus can reduce the possibility of Schneiderian membrane perforation. This study examined Schneiderian membrane thickness (SMT) and its relationship with neighboring hard tissues for patients with and without membrane thickening. For patients with sinus infections, we evaluated dimensional changes of the SMT post-extraction relative to pre-extraction SMT and residual bone height (RBH). Methods: CBCT images from 93 patients needing single-tooth implant reconstruction without (n = 83) and with (n = 14) odontogenic infected maxillary sinuses were assessed. SMT, RBH, and lateral wall thickness (LWT) were measured. Causes of extraction, RBH in the infection site, and retrospective post-extraction record of SMT were recorded for the thickened SMT group. Results: Mean SMT for normal SMT group was 1.13 +/- 0.43 mm, RBH was 6.26 +/- 2.38 mm; upper and lower LWT was 1.85 +/- 0.95 mm, and 3.07 +/- 2.26 mm, respectively. RBH and LWT had no significant relationships with SMT. For thickened SMT group, mean values for SMT and RBH prior to extraction were 4.53 +/- 2.46 mm and 1.97 +/- 1.43 mm, respectively. Pre-extraction SMT had a moderately negative correlation with pre-extraction RBH. SMT resolution in thickened SMT group was observed by 2.80 +/- 1.37 months post-extraction; post-extraction SMT was not significantly different from normal SMT group (p = .187). Conclusions: Within the limitation of the sample size, thickened SMT induced by odontogenic infection subsides about 3 months following tooth extraction, and further sinus lifting implant surgery may be considered.
引用
收藏
页码:328 / 334
页数:7
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