Digitální analýza okluzních sil u ortodonticky léčených jedinců

Title in English Occlusal forces in patients after orthodontic therapy – digital analysis


Year of publication 2022
Type Article in Periodical
Magazine / Source Ortodoncie
MU Faculty or unit

Faculty of Medicine

Web https://www.ortodonciejournal.cz/on-line-verze-casopisu/clanky-casopisu/index.php?modul=casopis_clanek/casopis_clanek&vypis_detail_clanek=320
Keywords Static occlusion; dynamic occlusion; TMD; T-Scan
Description Aims: The study objective was to assess occlusion in patients after orthodontic therapy with fixed appliance and in untreated indivi- duals. Material and method: The sample included 81 students of dentistry at Masaryk University Brno aged 22-30 (mean age 24.3 ±1.67). The first group included 42 individuals without orthodontic treatment, and the second group 39 people after orthodontic therapy. Both groups filled in forms and a?questionnaire on symptoms of temporomandibular dysfunction (TMD), CPI index, and digital analysis of static and dynamic occlusion performed with T-Scan. Results: No differences were found in overall condition of periodontium, mobility of mouth opening, chewing muscles pain. TMD symptoms were more frequent in the group after orthodontic therapy – clicking on the right. In case of static occlusion forces were distributed more in posterior segment of dentition in patients after orthodontic therapy. In case of dynamic occlusion there was found no difference in the guidance in lateropulsion (group, anterior or canine guidance). However, in patients after orthodontic therapy a?longer time of disclusion (i.e. the interval between the beginning of lateropulsal movement and the achievement of one of the men- tioned types of guidance) was observed. Conclusion: Orthodontic therapy may influence some parameters of static and dynamic occlusion. To determine the changes we can use digital occlusal analysis T-ScanTM, or apply one of techniques of articulation grinding.
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