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  • Küçük Resim
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    Assessment of surgical complications related to dental implant surgery using Clavien-Dindo Classification
    (Selçuk Üniversitesi, 2021) Dilaver, Emrah; Ak, Kivanc Berke; Suzen, Muazzez; Uckan, Sina
    Background: The aim of this study is to evaluate the surgical complications encountered in the implants performed 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.
  • Küçük Resim
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    Does Low Gonial Angle Affect the Amount of Bone Loss Around Implant in The Posterior Mandible?
    (Selçuk Üniversitesi, 2021) Dilaver, Emrah; Suzen, Muazzez; Ak, Kivanc Berke; Uckan, Sina
    Background: The purpose of this study was to investigate whether there is a role of the low gonial angle on marginal bone resorption around the implants placed in the posterior mandible. Methods: This retrospective study, including 20 patients with 46 implants followed 36 months were inserted in the mandibular edentulous posterior area. Patients without systemic disease were included in this study. The gonial angle was measured on a panoramic x-ray; Patients with a gonial angle of more than 1250were classified as high gonial angle, and those with less than 1200 were classified as a low gonial angle group. Mesial and distal marginal bone resorption and implant angulation with the occlusal plane were measured via Image J software (National Institutes of Health; version 1.5i, USA). Independent samples ttest was used to compare measured variables between high and low gonial angle groups. Results: The mean marginal bone resorption (MBL) was 0.27±0.16 mm for the mesial side and 0.27±0.13mm for the distal side in the LGA group. In the HGA group, MBL was 0.77±0.28mm for the mesial side and 0.71±0.27mm for the distal side. There was no statistical significance between HGA and LGA groups regarding marginal bone resorption. However, implant angulation with the occlusal plane was correlated with marginal bone resorption in the HGA group. Conclusion: The result of this study is that a low gonial angle is not directly a risk factor for marginal bone resorption around the dental implant. However, implants should be placed perpendicular to the occlusal plane as possible in the HGA group.