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1.
Rev. cuba. estomatol ; 59(2): e3911, abr.-jun. 2022. tab, graf
Article in Spanish | LILACS, CUMED | ID: biblio-1408385

ABSTRACT

Introducción: La discrepancia transversal de las arcadas es un problema esquelético poco estudiado en personas con necesidad de tratamiento ortodóncico quirúrgico. Objetivo: Caracterizar a pacientes con discrepancia negativa transversal del maxilar y necesidad de tratamiento por cirugía ortognática. Métodos: Se realizó un estudio descriptivo de corte transversal en 25 expedientes clínicos de pacientes que acudieron al servicio de cirugía maxilofacial del Hospital Clínico Quirúrgico Hermanos Ameijeiras, con discrepancia negativa transversal del maxilar y necesidad de cirugía ortognática entre enero de 2016 y enero de 2020. Se estudiaron los casos por medio de variables cualitativas divididas en epidemiológicas, características faciales y mediciones dentarias. Para el análisis se confeccionaron cuadros estadísticos y como medidas de resumen se utilizaron frecuencias absolutas y relativas. Resultados: La frecuencia de la discrepancia negativa del maxilar fue de 13,3 por ciento. Los pacientes de piel blanca fueron los más afectados (80 por ciento) y el principal motivo de consulta fue estético (68 por ciento). La asimetría del tercio inferior y el perfil cóncavo estuvieron presentes en el 44 por ciento y 36 por ciento de los casos respectivamente. Se observó alta frecuencia de pacientes con el tercio inferior aumentado (76 por ciento), mordida cruzada posterior (48 por ciento), mordida abierta anterior (75 por ciento), apiñamiento en la arcada inferior (63,3 por ciento) y lingualización del incisivo inferior (72 por ciento). Conclusiones: La discrepancia negativa transversal del maxilar es frecuente en personas con necesidad de cirugía ortognática y con gran afectación estética. Se observó mayor predisposición a padecerla en pacientes de piel blanca(AU)


Introduction: Transverse discrepancy of the arches is a skeletal problem not sufficiently studied in persons requiring surgical orthodontic treatment. Objective: Characterize patients with negative transverse maxillary discrepancy requiring surgical orthognathic surgery. Methods: A descriptive cross-sectional study was conducted of 25 medical records of patients attending the maxillofacial surgery service at Hermanos Ameijeiras Clinical Surgical Hospital with negative transverse maxillary discrepancy requiring orthognathic surgery from January 2016 to January 2020. The cases were studied with qualitative variables divided into epidemiological, facial features and dental measurements. Analysis was based on statistical charts. The summary measurements used were absolute and relative frequencies. Results: The frequency of negative maxillary discrepancy was 13.3 percent. White skin patients were more commonly affected (80 percent). The main concern was aesthetic (68 percent). Lower third asymmetry and a concave profile were present in 44 percent and 36 percent of the cases, respectively. A high frequency was observed of patients with an augmented lower third (76 percent), posterior crossbite (48 percent), anterior open bite (75 percent), lower arch crowding (63.3 percent) and lower incisor lingualization (72 percent). Conclusions: Negative transverse maxillary discrepancy is common among patients requiring orthognathic surgery for large aesthetic alterations. White skin patients were found to be more prone to present this disorder(AU)


Subject(s)
Humans , Orthognathic Surgery/methods , Jaw Abnormalities/etiology , Surgery, Oral , Medical Records , Cross-Sectional Studies
2.
Dental press j. orthod. (Impr.) ; 15(4): 77-83, jul.-ago. 2010. ilus
Article in Portuguese | LILACS | ID: lil-555737

ABSTRACT

INTRODUÇÃO: a hiperatividade condilar é uma condição causada por um desequilíbrio nos fatores de crescimento ósseo, gerando assimetrias faciais. Pode ser classificada em três tipos diferentes: hiperplasia hemimandibular (HH), alongamento hemimandibular (AH) e uma forma híbrida. O diagnóstico correto dessas hiperatividades é imprescindível, pois a abordagem é diferente para cada tipo de anomalia, tendo como opções o tratamento ortocirúrgico e a condilectomia alta. OBJETIVO: o objetivo desse artigo é, por meio de dois casos clínicos de assimetria facial causada por hiperatividade condilar, mostrar a importância de um correto diagnóstico e os meios utilizados para a obtenção do mesmo, visando um tratamento adequado para cada caso.


INTRODUCTION: Condylar hyperactivity is a condition triggered by an imbalance in bone growth factors, which causes facial asymmetry. It can be classified into three different types: hemimandibular hyperplasia (HH), hemimandibular elongation (HE) and a hybrid form. It is essential that a correct diagnosis of these hyperactivities be reached since each type of anomaly requires a different approach. Treatment options include surgery and high condylectomy. OBJECTIVES: The purpose of this article is to present two cases of facial asymmetry caused by condylar hyperactivity, showing the importance of an accurate diagnosis and the means used to achieve it while seeking an appropriate treatment for each case.


Subject(s)
Humans , Male , Female , Adolescent , Facial Asymmetry , Maxillofacial Abnormalities , Mandible/abnormalities , Maxilla/abnormalities , Orthodontics, Corrective , Facial Bones/abnormalities , Facial Bones/growth & development
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