Link between Occlusal support and postural stability in chil
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In older participants, the relationship between uneven occlusal contact and fall risk was described; however, numerous confounding factors, such as systemic disease or vestibular function deterioration, were not well taken into account. This research aimed to examine this relationship in paediatric participants at the age of approximately 9-12 when these confounding factors are absent and permanent replacement of primary molars normally occurs, resulting in uneven occlusal contact transiently.

Analysis included 65 children (36 boys and 29 girls, mean age: 9.5 ± 1.5 years). Participants were asked whether they had experienced at least two falls within the past 1 year. The occlusal contact area ratio was calculated by dividing the greater half (right or left dental arch) by the smaller half (the other half) with U-shaped pressure sensor sheet. The total length and rectangular area of the center of pressure while standing upright for 10 s were measured with a stabilometer and used as postural sway parameters.

--The occlusal contact area ratio significantly correlated with the postural sway parameters.

--Comparison between those who had experienced the fall incidences and those who had not after propensity score matching that adjusts their overall physical function revealed that there were no significant differences in the postural sway parameters and occlusal contact area ratio regardless of the history of fall incidence.

In particular, Uneven occlusal contact leads to an increase in postural sway in children; however, this may not be associated with fall incidence.