SynthesisFrontiers in dental medicine2026
Comparative evaluation of obturation techniques for C-shaped canals: a network meta-analysis.
Synthesis 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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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
Objective: To compare the filling quality of different root canal filling methods in C-shaped canals using a network meta-analysis. Materials and methods: This PROSPERO-registered study [CRD420251044833] included Results: No statistically significant differences were found between LC and any of the other filling method, with the exception that UC exhibited significantly lower porosity than LC at the middle region(MD = -1.7,95% Crl:-3.3, -0.062). Subgroup analyses revealed that the overall results were modified to some extent by differences in C-shaped canal anatomy and the method used to detect obturation porosity. Conclusions: Current obturation techniques remain unable to achieve completely void-free filling in C-shaped root canals. However, the obturation performance of the same technique varied across different root levels, suggesting a site-dependent pattern of filling quality. Clinical relevance: The present findings do not support a definitive recommendation for any particular obturation technique in clinical practice. Rather, they may be viewed as an evidence map that provides a reference framework for the design of future studies. Systematic Review Registration: https://www.crd.york.ac.uk/prospero, CRD420251044833.
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