Temperature Variations on the External Root Surface During Warm Injectable Gutta-Percha Obturation at Different Thermo-Plasticization Settings: An In Vitro Study.

In Group A, a strong and highly significant positive correlation was observed between the coronal and middle thirds (r = 0.869, p = 0.001), indicating specimens with higher coronal temperatures also showed proportionally higher middle-third temperatures—consistent with a predictable, monotonic thermal decay model.

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