Assessment of surgical complications related to dental implant surgery using Clavien-Dindo Classification

Abstract

Background: The aim of this study is to evaluate the surgical complications encountered in the implants made by the same surgeon between 2016-2019 using the Clavien-Dindo classification used to grade the severity of surgical complications Methods: This retrospective study includes a total of 1171 implants performed in 368 cases undergoing dental implant surgery. Complications related to the operation were recorded and these complications were evaluated according to the Clavien-Dindo Classification system. Possible effects of other factors such as age, gender, smoking, Diabetes mellitus and immediate implant placement on complications were also evaluated . Results: A total of 98 complications have been reported, including flap dehiscence, numbness, infection, the apical part of the dental implant in the maxillary sinus, lack of primary stability, and cortical bone perforation. Smoking and immediate implantation were found to be risk factors for flap dehiscence (p <0.05). 54.8% of the complications were in Clavien-Dindo Class I and 28.5% in Class IIIa. According to the Clavien-Dindo classification, gender, age, smoking and Diabetes Mellitus did not increase the severity of the complications encountered. Conclusion: The Clavien-Dindo classification could serve as a useful in dental implant surgery both for standardization of complications and to help clinicians understand the consequences of complications. Wide range of using the Clavien-Dindo classification system would allow comparisons of different techniques’ outcome in implant surgery among different surgeons and centers.

Keywords

• Clavien-Dindo classification
• surgery complications
• dental implant surgery

References

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