Modern concepts in approaches to determining individual position of media cutters in people with physiological types of bit

Abstract

According to the results of studying cone-beam computed tomograms of the head of 147 people of the first period of adulthood with a full set of permanent teeth and physiological types of occlusion, the average inclinations of the incisors with respect to the occlusal plane and intercavity angles were calculated, and signs of a neutral position were formulated, physiological protrusion and physiological retrusion of incisors. It was revealed that the medial incisors of the upper jaw with the occlusal plane form an angle of 77.05 ± 0.70 degrees. For the neutral position of the incisors, the inclination angle varies from 75 to 80 degrees. A decrease in the incline angle of incisors in people with physiological types of occlusion of less than 75 degrees allowed the indicators to be considered as physiological protrusion, and an increase in the angle of more than 80 degrees characterized physiological retrusion. With the neutral position of the incisors, the intercavity angle averaged 135.49 ± 0.86 degrees. For the neutral position of the incisors, the value of the intersection angle varies from 125 to 145 degrees. The types of dental arches with the protrusive position of the incisors included variants in which the inter-incisal angle was less than 125 degrees. With the physiological retrusion of the incisors, the inter-incisal angle was more than 145 degrees. The results can be used as criteria for assessing the effectiveness of the treatment of patients with occlusion abnormalities.