Dental arch width in overweight and normal-weight subjects.


Objective: To compare the width of the dental arches between overweight and non-overweight subjects . Materials and Methods: A cross-sectional comparative study was carried out with 54 subjects from 8 to 13 years of age, 27 normal-weight and 27 overweight. The presence of overweight was assessed according to the Quetelet index. To determine the width of the dental arches, measurements of the upper and lower intercanine and intermolar width were obtained with a digital calibrated Vernier caliper. The comparison between the dental arch width of normal-weight and overweight subjects was performed using the Mann-Whitney U test. Results: Statistically significant differences were found in the intercanine and intermolar widths between overweight and non-overweight subjects (p<0.05). Conclusion: The dental arches were wider in overweight subjects compared to those of normal-weight.


1. Shahroudi AS, Etezadi T. Correlation between dental arch width and sagittal dento-skeletal morphology in untreated adults. J Dent. 2013;10(6):522–31.
2. Louly F, Nouer PR, Janson G, Pinzan A. Dental arch dimensions in the mixed dentition: a study of Brazilian children from 9 to 12 years of age. J Appl Oral Sci. 2011;19(2):169–74.
3. Prasad M, Kannampallil ST, Talapaneni AK, George SA, Shetty SK. Evaluation of arch width variations among different skeletal patterns in South Indian population. J Nat Sci Biol Med. 2013;4(1):94 –102.
4. Lombardo L, Setti S, Molinari C, Siciliani G. Intra-arch widths: a meta-analysis. Int Orthod. 2013;11(2):177–92.
5. Kelsey MM, Zaepfel A, Bjornstad P, Nadeau KJ. Age-related consequences of childhood obesity. Gerontology. 2014;60(3):222–8.
6. Giuca MR, Pasini M, Tecco S, Marchetti E, Giannotti L, Marzo G. Skeletal maturation in obese patients. Am J Orthod Dentofacial Orthop. 2012;142(6):774–9.
7. Eny KM, Chen S, Anderson LN, Chen Y, Lebovic G, Pullenayegum E, Parkin PC, Maguire JL, Birken CS, TARGet Kids! Collaboration. Breastfeeding duration, maternal body mass index, and birth weight are associated with differences in body mass index growth trajectories in early childhood. Am J Clin Nutr. 2018;107(4):584–92.
8. Fruhwürth S, Vogel H, Schürmann A, Williams KJ. Novel Insights into How Overnutrition Disrupts the Hypothalamic Actions of Leptin. Front Endocrinol. 2018;9:89.
9. Maeda K, Tsuiki S, Isono S, Namba K, Kobayashi M, Inoue Y. Difference in dental arch size between obese and non-obese patients with obstructive sleep apnoea. J Oral Rehabil. 2012;39 (2):111–7.
10. Chiquete E, Ruiz-Sandoval JL, Ochoa-Guzmán A, Sánchez-Orozco LV, Lara-Zaragoza EB, Basaldúa N, Ruiz-Madrigal B, Martínez-López E, Román S, Godínez-Gutiérrez SA, Panduro A. The Quételet index revisited in children and adults. Endocrinol Nutr. 2014;61(2):87–92.
How to Cite
YZQUIERDO-CORREA, Cynthia et al. Dental arch width in overweight and normal-weight subjects.. Journal of Oral Research, [S.l.], v. 8, n. 1, p. 9-12, mar. 2019. ISSN 0719-2479. Available at: <>. Date accessed: 23 june 2024. doi:


Dental arch; overweight; malocclusion.