Morphofunctional characteristics of the stomatognathic system in Angolan patients with malocclusion
Keywords:
Temporomandibular joint, Dental occlusion, Malocclusion.Abstract
Introduction: the morphofunctional characteristics of the stomatognathic system vary between populations and ethnic groups, so its determination is important for orthodontic treatment. Objective: to determine the morphofunctional characteristics of the stomatognathic system in Angolan patients with malocclusion. Methods: an observational, descriptive, cross-sectional study was carried out in 45 patients with malocclusion treated at the Orthodontics Clinic of the Meditex Clinic, in Luanda, Angola, from March 2022 to January 2023. Facial characteristics, occlusion ratio, craniomandibular skeletal relationship, and the degree of temporomandibular joint dysfunction were evaluated. Descriptive statistical measures were used to summarize the information, which were number and percentage. Results: 46.66 % of patients were characterized by a convex profile and lower third dolichofacial type (71.11 %), 82.22 % of patients did not have horizontal asymmetries; 44.44 % of patients showed greater than normal protrusion; Most patients showed a maxillomandibular skeletal class II (ANB: 4.408), with a posterior position of the chin in a sagittal direction (facial depth: 84.964) and a posterior position of the glenoid cavity (cranial deflection: 26.498) and ramus. mandibular (74,553); Mild temporomandibular dysfunction occurred in 64.44% of patients. Conclusions: Angolan patients with malocclusion were mainly characterized by increased overjet due to maxillomandibular skeletal class II posterior mandibular position and mild temporomandibular dysfunction.
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