Malocclusion impacts the quality of life of Peruvian school children: a cross-sectional study

OBJECTIVE: To assess the impact of malocclusion considering the orthodontic treatment need (IOTN) on the oral health related quality of life evaluated with the Child Perceptions Questionnaire in students aged 11 to 14 years (CPQ 11-14 ) of the Peruvian public schools in the city of Juliaca. MATERIALS AND METHODS: A cross-sectional study was performed. The sample included 354 students. The data were obtained from the tool of self-perception using the aesthetic component (AC) and the oral health component (DHC) from the IOTN, and the CPQ 11-14. For the data analysis the Kruskal Wallis test was used (p<0.05). RESULTS: The value of the impact on the quality of life was higher in the dimension moderate treatment need with 56.08; followed by need for treatment with 55.56 (p<0.001). CONCLUSION: Malocclusion affects the quality of life of students aged 11 to 14 years in Peruvian public schools of the city of Juliaca.

Relación del ángulo interincisivo con el tipo de clase esquelética antero-posterior en pacientes atendidos en la segunda especialidad de ortodoncia y ortopedia maxilar de la Universidad Católica Santa María / Relationship of the interincisive angle with the type of anteroposterior skeletal class in patients treated in the second speciality of orthodontics and maxillofacial orthopedics of Universidad Catolica Santa Maria

Objetivos: Evaluar las características del incisivo superior con el incisivo inferior, ver su angulación 130° (+/-6°) y relacionarlo con el tipo de clase esquelética antero posterior. Observar si existe una relación del ángulo interincisivo con el tipo de clase esquelética antero-posterior. Material y métodos: Se utilizaron como metodología, los análisis cefalométrico de Steiner y Ricketts por ser de suma importancia para el diagnóstico y plan de tratamiento para el especialista en ortodoncia ortopedia maxilar. Por tener mayor nitidez y buen contraste en comparación con las analógicas y así poder localizar los puntos cefalométricos más importantes se examinaron 60 radiografías laterales de cráneo digitales; estas fueron tomadas a pacientes de la segunda Especialidad de Ortodoncia y Ortopedia Maxilar de la Universidad Católica Santa María (UCSM) entre las edades de 12 a 16 años con presencia de los incisivos centrales superiores e inferiores. Los datos fueron obtenidos mediante trazados en papel de acetato de acuerdo a los puntos cefalométricos más importantes, los datos angulares y lineales obtenidos se recopilaron en una ficha de registro de datos. Resultados: Se presentó una mayor cantidad de pacientes con un ángulo interincisivo disminuido menor a la norma, y una mayor frecuencia de clase II esqueletal mayor a la norma, la gran mayoría fueron del género femenino que acudieron a la Segunda Especialidad de Ortodoncia y Ortopedia Maxilar, En menor incidencia el ángulo interincisivo aumentado y normal y la clase esquelética III y I. Conclusiones: Los pacientes que presentaron con mayor frecuencia una relación del ángulo interincisivo con el tipo de clase esquelética antero-posterior fueron los que estaban comprendidos entre 12 y 16 años de edad. (AU)

Objectives: To evaluate the characteristics of the upper incisor, with the lower incisor see its angulation 130 ° (+/- 6 °) and relate it to the type of anteroposterior skeletal class. Observe if there is a relation of the interincisive angle with the type of antero-posterior skeletal class. Material and methods: The cephalometric analysis of Steiner and Ricketts was used as methodology for being of paramount importance for the diagnosis and treatment plan for the orthodontic specialist in maxillary orthopedics. The materials to be used were 60 digital lateral skull radiographs to have greater sharpness and good contrast in comparison with the analogical ones and to be able to locate the most important cephalometric points. These were taken to patients of the second Specialty of Orthodontics and Maxillary Orthopedics of the UCSM, between the ages of 12 and 16 years with presence of the upper and lower central incisors. The data were obtained by drawing on acetate paper according to the most important cephalometric points, the angular and linear data obtained were collected in a data log. Results: Were presented, a greater number of patients with a decreased interincisive angle lower than the norm, and a higher frequency of skeletal Class II greater than the norm, the great majority were of the feminine gender that went to the Second Specialty of Orthodontics and Orthopedics The incidence of increased and normal interincision angle and skeletal class III and I. Conclusions: Patients who most frequently presented a ratio of the interincisive angle to the type of anteroposterior skeletal class were those between 12 and 16 years of age. (AU)