Research Article

Influence of Oral Appliances for Mandibular Advancement on Dentitions Using a Strain Gauge Analysis: A Pilot Study

Table 2

Comparison of the strain on the first molars.

Recording periodMean ± SD
SiteStretching strainCompressive strainStretching versus compressive strains

ShortUpper molar33.2 ± 26.331.1 ± 18.2NS
Lower molar37.8 ± 33.321.7 ± 21.4NS
LongUpper molar62.6 ± 27.046.3 ± 35.3NS
Lower molar37.5 ± 19.460.5 ± 49.0NS

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NS = not significant.