ArticleFrontiers in dental medicine2026
Effects of two sectional matrix systems on proximal contact tightness and mesiodistal dimension in class II composite restorations: an
Article in Frontiers in dental medicine, 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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Abstract
Objectives: To compare the effects of two sectional matrix systems on proximal contact tightness and mesiodistal (M-D) dimension in standardised Class II mesio-occlusal (MO) composite restorations. Methods: Twenty typodont mandibular first molar teeth (Nissin Dental Products Inc., Kyoto, Japan) received standardised Class II MO cavity preparations and were randomly allocated into two groups ( Results: Group 1 demonstrated significantly greater M-D dimensions at the occlusal third (7.07 ± 0.054 mm vs. 6.70 ± 0.082 mm; Conclusions: Within the limitations of this Clinical relevance: Selection of an appropriate sectional matrix system may influence proximal contact quality in Class II composite restorations, with implications for food impaction prevention and long-term periodontal health. The present findings may assist clinicians in making evidence-informed choices between commercially available sectional systems.
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