Abstract
Relevance. Temporomandibular joint dysfunction is one of the most widely spread and common disease nowadays. It includes disorders on different levels of whole body and multi symptom as clinical manifestation. There is still less of evidence in ethiopathology of Temporomandibular dysfunction(TMD).Objective. The research aimed to find new etiological factors impacting the formation of TMJ, recorded growth and developmental disorders of the facial skull in the experimental group. Materials and methods. The sample group consisted of 59 patients. The experimental group included 38 patients with lateral joint displacement; the control group included 21 patients. Subjects were examined with functional probes, occlusion diagnosis with articulation paper Baush 200,100,8 microns, cephalometryc analysis by Grummons, computed tomography of temporomandibular joint, licensed software application Planmeca Romexis Viewer, statistical analyses with program IBM SPSS Statistic Base v.22.Results. 91.6% of patients with dentofacial deformities of the maxilla (ddm) also have TMJ with lateral displacement of the articular heads of the mandible. Patients without maxillary dentofacial deformities experience lateral displacement of the articular heads with a frequency of 8.7% and probable risk of 10.5 (95% CI 2.79-39.8). Patients in 1group (63,16%) experiences asymmetric inclination of the angles of the right and left upper jaw and occlusal plane around tooth number 6 and 7, 79.94% of patients in the experimental group recorded a displacement of the mandible <89 ° dental deformity. There is a specifically, ramifications of the pathological factors via rotational, simultaneous, one-sided, and three-level move with a delay in the horizontal growth of the dental apparatus.
Highlights
60% - 70% of the population is diagnosed with temporomandibular joint dysfunction (TMJ), one in four seeks help from a specialist. [1] Dysfunction impairs chewing, swallowing, pronunciation, and increases facial asymmetry [2]
The research aimed to find new etiological factors impacting the formation of TMJ, recorded growth and developmental disorders of the facial skull in the experimental group
Patients in 1group (63,16%) experiences asymmetric inclination of the angles of the right and left upper jaw and occlusal plane around tooth number 6 and 7, 79.94% of patients in the experimental group recorded a displacement of the mandible
Summary
60% - 70% of the population is diagnosed with temporomandibular joint dysfunction (TMJ), one in four seeks help from a specialist. [1] Dysfunction impairs chewing, swallowing, pronunciation, and increases facial asymmetry [2]. 60% - 70% of the population is diagnosed with temporomandibular joint dysfunction (TMJ), one in four seeks help from a specialist. [1] Dysfunction impairs chewing, swallowing, pronunciation, and increases facial asymmetry [2]. The etiology of TMJ is multifaceted, with the pathology covering biomechanical, neuromuscular, bio-sociological and anatomical factors [3]. [4] Multifactorial disorder complicates the diagnosis but hinders identification of the underlying etiological factor which eliminates or reduces the disorder’s impact. A contributing factor that leads to disorders in the biomechanics of the masticatory organ is a certain skeletal development of the facial skull. There is a possibility that certain anatomical and topographic features of the dental-maxillary apparatus affect the symmetry of the distribution of masticatory weight on the bone structures of the skull
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