Imaging Evaluation of Morphological Changes in the Temporomandibular Joint of Growing Patients Treated with Functional Appliances. Systematic Review
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Background: A wide range of functional devices allow stimulating mandibular growth in class II patients, through mandibular advancement; managing to correct this type of skeletal and occlusal disharmony. Fixed repositioning appliances apply constant forces to the TMJ and may cause remodeling of the articular condyle and glenoid fossa. Computed tomography (CT) has been the gold standard for imaging the bone and hard tissues of the TMJ, but today cone beam computed tomography (HCCT) and Nuclear Magnetic Resonance (MRI) are used, because of their low and zero levels, respectively, of radiation. Objective: to measure morphological changes through TMJ imaging evaluation after correction of class II malocclusion with functional treatment with appliances in growing patients Methods: a comprehensive systematic literature search was conducted from January 2015 to May 2023 in the following bibliographic databases PubMed, EBSCO, Embase, and the Cochrane Library. Results: 10 studies were selected. The total sample size was 210 patients, and the age range was 10.3 to 14 years. The main imaging method used was HCCT with n = 9. Conclusions: The main change described is condylar remodeling, followed by morphological adaptation of the fossa. Although no significant differences have been reported in morphological changes in the TMJ between fixed versus removable functional appliances, fixed appliances cause a higher incidence of morphological changes.
aparatología de ortodoncia, aparatología funcional, articulación temporomandibular, cambios temporomandibulares, odontología, ortodoncia, resonancia magnética nuclear, técnicas y procedimientos de diagnóstico, tomografía computarizada de haz cónicocone-beam computed tomography, dentistry, diagnostic techniques and procedures, functional appliances, nuclear magnetic resonance, orthodontic appliances, orthodontics, temporomandibular changes, temporomandibular jointtomografia computadorizada de feixe cônico, odontologia, técnicas e procedimentos de diagnóstico, aparelhos funcionais, ressonância magnética nuclear, aparelhos ortodônticos, ortodontia, alterações temporomandibulares, articulação temporomandibular
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