期刊论文详细信息
BMC Oral Health
Influence of the contact area of the sub-antral space with sinus bone and the Schneiderian membrane on osteogenesis in lateral window sinus elevation surgery: a prospective experiment
Research
Chonghao Ji1  Zhanwei Zhang1  Dongjiao Zhang1  Xin Xu1  Xiao She1  Zechuan Li1  Dawei Song2 
[1] Department of Implantology, School and Hospital of Stomatology, Cheeloo College of Medicine, Shandong University & Shandong Key Laboratory of Oral Tissue Regeneration & Shandong Engineering Laboratory for Dental Materials and Oral Tissue Regeneration & Shandong Provincial Clinical Research Center for Oral Diseases, Jinan, China;School of Stomatology, Shandong First Medical University and Shandong Academy of Medical Sciences, 250117, Jinan, China;
关键词: Bone regeneration;    Clinical research;    Maxillary sinus;    CT imaging;    Sinus floor elevation;   
DOI  :  10.1186/s12903-022-02694-1
 received in 2022-11-27, accepted in 2022-12-23,  发布年份 2022
来源: Springer
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【 摘 要 】

BackgroundOsteogenesis of lateral window sinus elevation surgery is the key to placement of the subsequent implant, excessive collapse of the sub-antral space may adversely affect long-term stability of implants. At present, few studies focus on the influence of the contact area of the sub-antral space on osteogenesis. This study evaluated whether the change in the contact area of the sub-antral space with maxillary sinus bone and the Schneiderian membrane can affect osteogenesis.MethodsCone beam computed tomography (CBCT) images were collected of patients requiring maxillary sinus floor elevation (residual bone height < 6 mm) for standard-length implant placement before surgery, after surgery, and at 6-month follow-up visits. The postoperative sub-antral space volume (V1) and surface area (S1), and the remaining volume after six months of healing (V2) were measured. Then, the contact area of sub-antral space with maxillary sinus bone (Sbc) and the Schneiderian membrane (Smc), the absorbed volume during healing (Va), and the percentage of remaining volume (V2%) and absorbed volume (Va%) were calculated. The correlation between anatomical parameters was analyzed using multiple linear regression.ResultsA total of 62 maxillary sinuses from 56 patients were augmented, of which 57 were considered for the final analysis (5 withdrew due to perforation). Multiple linear regression results demonstrated that Sbc was significantly positively correlated with Va (β coefficient = 0.141, p < 0.01) without correlation between Smc and Va (β coefficient =  − 0.046, p = 0.470). There was a positive correlation between Sbc and V2% (β coefficient = 2.269, p < 0.05).ConclusionsThis study confirmed that the size of the Sbc in lateral window sinus elevation surgery affected osteogenesis after six months of healing. Clinicians should assess the sinus contour type preoperatively, then consider whether it is necessary to expand the range of the Schneiderian membrane elevation to avoid excessive collapse of the sub-antral space.Trial registration: Chinese Clinical Trial Registry (ChiCTR), ChiCTR2200057924. Registered 22 March 2022–Retrospectively registered.

【 授权许可】

CC BY   
© The Author(s) 2022

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