Frecuencia de maloclusiones y su relación con hábitos parafuncionales en niños de Chihuahua, México

Abstract

Aim: To assessment relationship between parafunctional habits frequency with dental malocclusions in patients between 8 and 12 years-old treated at the pediatric dentistry clinic of UACH School of Dentistry. Material and methods. A descriptive, cross-sectional retrolective study was carried out, taking as a study sample 1050 clinical files of patients between 8 and 12 years of age, both sexes, treated at the pediatric dentistry clinic of the Faculty of Dentistry of the UACH from 2016 to 2019. Information related to the diagnosis of malocclusions, parafunctional habits, as well as age and sex were considered. Results. Class I malocclusion occurred more frequently (67%), in terms of parafunctional habits, 40.8% presented onychophagia and 21.8% lip sucking, both were the most frequent. Regarding the presence of malocclusions by age, there was a statistically significant association (X²=3.109; p=0.024), but not with sex (X²_MH=0.985; p=0.910). Conclusions. No was relationship between dental malocclusions and parafunctional habits frequency, as well with age and the presence of malocclusions and the year of registration.