maxillary arch dimension changes of 3-5 years old filipino children

نویسندگان

abdol hamid zafarmand associate prof, dept of orthodontics, shahid beheshti univ. med sciences, school of dentistry

morteza mina department of orthodontics, shahid beheshti university of medical sciences school of dentistry, tehran, iran

mahdi zafarmand department of orthodontics, shahid beheshti university of medical sciences school of dentistry, tehran, iran

چکیده

background: the purpose of this study was to assess the dental arch dimensions in primary dentition of 3-5 years old filipino children and determining the existence of sexual dimorphism. m aterials and methods: in this descriptive study, 60 filipino preschool children aged 3-5 years old were selected from manila city. study casts were used for measurements of 3 arch dimensions: bicanine width, bimolar width, and arch length. the analyses were performed to compare values within age-groups and within gender-groups, besides reporting mean and standard deviations. the data were subjected to one-way anova and student t-test. r es ults: significant differences were observed regarding dental arch dimensions among different ages and genders (p<0.05). comparison between genders showed a statistically significant difference in bicanine width at the age of 4 (p=0.04), in bimolar width at age of 5 (p=0.006), and in arch length at age of 4 (p=0.03) and 5 (p=0.02). differences within male group for different ages showed only arch length dimension was statistically significant (p=0.021). in females, however the comparison between age-groups also revealed a statistically significant difference in bicanine (p= 0.016) and bimolar widths (p=0.027) dimensions. conclusion: the present study showed that dental arch dimensions, vary among different ages and genders of children. it also showed that a sexual dimorphism does exist between the gender groups.

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novelty in biomedicine

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