COMPARATIVE EVALUATION OF THE TEMPOROMANDIBULAR JOINT STRUCTURES AFFECTED BY TMJ DYSFUNCTION.

OBJECTIVE: The aim: To investigate the individual anatomical features of the temporomandibular joint structures affected by TMJ disorders and compare them with those of asymptomatic patients. PATIENTS AND METHODS: Materials and methods: The sample consisted of 41 patients. The study group included 29 patients. The retroposition of the right mandibular head was observed in 16 patients, the anterior position of the right mandibular head - in 13 patients, the retroposition of the left mandibular head - in 19 patients, and the anterior position of the left mandibular head - in 10 patients. The control group consisted of 12 patients with an anterior or central position of the right and left mandibular heads. RESULTS: Results: In the study group, a comparative analysis of the ABC angle on the right and left sides found no statistically significant difference in Student's criterion (p=0.176). In the control group, a comparative analysis of the ABC angle on the right and left sides found no statistically significant difference in Student's criterion (p=0.131). To identify a possible difference in the inclination of the articular tubercle in the study and control groups (anterior position of the mandibular head), calculations were carried out and when comparing two related samples using Wilkinson's T-criteria, the difference is not statistically significant p=0.119. The mean values obtained using Student's criterion did not reveal any statistically significant difference between both groups, р*=0,811. CONCLUSION: Conclusions: A comparative analysis of the ABC angle in patients with TMJ dysfunction and the control group did not reveal any statistically significant difference. At the same time, there was no statistically significant difference between patients with the anterior and posterior position of the mandibular head.

ALGORITHM OF COMPLEX REHABILITATION OF PATIENTS WITH IATROGENIC OCCLUSAL DISORDERS COMBINED WITH VERTICAL MALOCCLUSION.

OBJECTIVE: The aim: To propose the algorithm of complex rehabilitation of patients with iatrogenic occlusal disorders combined with vertical malocclusion and prove its efficiency. PATIENTS AND METHODS: Materials and methods: 55 patients with iatrogenic occlusal disorders combined with vertical malocclusion aged from 23 to 47 years old (mean age 36.1±5.2 years) including 32 females and 23 males were examined at Dental Medical Center of Bogomolets National Medical University during 2019-2021 years. All patients before and 6 months after treatment underwent clinical and laboratory examination, X-ray, electromyography, T-Scan Digital Occlusal Analysis. RESULTS: Results: In all 3 groups of patients we observed complete disappearance or significant reduction of complaints and symptomatic manifestations after 6 months of complex rehabilitation. CONCLUSION: Conclusions: Our study showed that the proposed algorithm of complex rehabilitation of patients with iatrogenic occlusal disorders combined with vertical malocclusion, which provides a multidisciplinary and individualized approach, improves the efficiency of orthodontic treatment of such patients and significantly reduces the duration of treatment in all 3 groups. This sequence of diagnostic and treatment measures gives the best opportunities for the patient to achieve maximum functional and aesthetic result.