ArticleCureus2026
Effect of Different Coring Thicknesses on Tooth Movement During Processing of Complete Dentures: An In Vitro Study.
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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Authors and funding
6 authors.
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Abstract
objectiveThis in vitro study was designed to assess the impact of varying coring thicknesses on the extent and orientation of tooth movement during complete denture fabrication. MATERIALS AND
methodsStandardized maxillary and mandibular complete denture wax-ups were fabricated and divided into four groups based on coring thickness (1 mm, 1.5 mm, 2 mm, and 2.5 mm). Coring was achieved using vacuum-formed thermoplastic sheets of predetermined thickness adapted over the occlusal surfaces. A total of 112 samples (n = 28 per group) were processed using conventional heat-cured polymethyl methacrylate (PMMA) denture base resin. Pre- and post-processing intermolar distances were measured using a digital caliper, and tooth movement was analyzed using one-way ANOVA with Bonferroni post hoc tests.
resultsTooth movement was observed in all groups; however, a significant difference was noted between the groups. Group A exhibited the lowest degree of tooth displacement, followed by Groups B, C, and D. Decreasing the coring thickness showed a statistically significant reduction in tooth movement, particularly in the anteroposterior (p<0.05) movement.
conclusionWithin the scope of the present study, it was inferred that a 1 mm thickness of coring was found to be the ideal coring thickness. This suggests that incorporating optimal coring thickness may enhance the accuracy and stability of complete dentures.
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