Moscow, Moscow, Russian Federation
Moscow, Moscow, Russian Federation
Moscow, Moscow, Russian Federation
Moscow, Moscow, Russian Federation
Moscow, Moscow, Russian Federation
Moscow, Moscow, Russian Federation
Stavropol, Stavropol, Russian Federation
Stavropol, Stavropol, Russian Federation
UDK 616.31 Стоматология. Заболевания ротовой полости и зубов
The relevance. Dental implants are widely used in dentistry to restore the dentition. The primary stability of the implant plays a key role in the successful osseointegration and long-term functionality of the implant. The study of the effect of the microrelief of the implant surface on their primary stability of bone tissue is of great practical importance, as it can help determine the optimal characteristics of the implant surface to achieve the best results during its installation. The aim is to evaluate the effect of the micro-roughness of the surface of dental implants on the torque and their primary stability. Materials and methods. The study included the use of 223 dental implants with a diameter of 4.0 mm, a length of 10 mm with the same geometry. The studied samples corresponded to the geometry of the IRIS LIKO-M implant (LLC NPK Likostom, Russia). The implants were processed by 3 different methods and installed in polyurethane blocks imitating bone tissue of the second type D2. To determine the force (torque) during implant installation, a Venton M3 physiodispenser (China) was used; implant stability (ISQ) after installation was evaluated by a Penguin PFA device (Sweden). Statistical analysis of the data was carried out using the Kruskal–Wallis criterion and the posteriori Dunn criterion. The results of the study. The study showed that groups 2 (acid etching), 3 (laser treatment), 4 (control sample) have a normal distribution of torque and ISQ values, while group 1 (plasma electrolytic oxidation) does not correspond to a normal distribution. The Kruskal–Wallis test revealed statistically significant differences between the groups in terms of torque and stability (ISQ). Dunn's a posteriori test showed statistically significant differences in torque between groups 1 and 4, 2 and 4, 3 and 4, as well as statistically significant differences in ISQ between groups 2 and 4, 3 and 4. Conclusions. The surface characteristics of the implants do not have a statistically significant effect on the primary stability determined by the torque and ISQ indicators.
dental implants, microrelief, primary stability, torque, implant surface, immediate loading
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