ArticleCureus2026
Assessment of Transverse Skeletal Differences Between Class I and Class II Malocclusion Using the J-J/Ag-Ag Ratio.
Article in Cureus, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Abstract
introductionThis study aimed to assess transverse skeletal differences between Class I and Class II malocclusion using the J-J/Ag-Ag ratio derived from frontal cephalometric analysis.
methodsA retrospective cross-sectional study was conducted on 28 patients aged 18-30 years, equally divided into Class I and Class II malocclusion groups with balanced gender distribution. Frontal cephalometric radiographs were analyzed, and the J-J/Ag-Ag ratio was calculated for each subject. Statistical analysis included the Shapiro-Wilk test for normality and two-way analysis of variance (ANOVA) to evaluate the effects of malocclusion class and gender, with significance set at p < 0.05.
resultsA statistically significant difference in the J-J/Ag-Ag ratio was observed between Class I and Class II malocclusion groups (p < 0.001), with lower values recorded in Class II subjects, indicating relative transverse maxillary constriction. No significant effect of gender or interaction between class and gender was found. The effect size was large, confirming the clinical relevance of the findings.
conclusionThe J-J/Ag-Ag ratio is a sensitive and reliable indicator for evaluating transverse skeletal discrepancies and can be effectively used in differentiating between Class I and Class II malocclusion in frontal cephalometric analysis.
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