Trial reportEuropean endodontic journal2025
Healing Outcome of Different Aqueous-based Calcium Hydroxide Intracanal Medicament in Patients with Pulpal Necrosis and Symptomatic Apical Periodontitis: A Randomised Controlled Trial.
Trial report in European endodontic journal, 2025. 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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5 authors.
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Abstract
objectiveThis study aimed to assess and compare the healing outcome associated with different aqueous-based calcium hydroxide intracanal medicaments in patients with pulpal necrosis and symptomatic apical periodontitis.
methodsSeventy five patients with pulpal necrosis and symptomatic apical periodontitis in permanent mandibular molar teeth were selected as the part of this study. The participants were randomly allocated to three groups, each comprising 25 patients, based on the type of intracanal medicament used during the treatment procedure. Group 1 consisted of calcium hydroxide (CH) mixed with 0.9% saline (NS), Group 2 contained CH combined with 2% lidocaine, and Group 3 included CH with 2% chlorhexidine (CHX). The Periapical Index Score was utilized to assess the healing of periapical lesions in preoperative and post-operative periapical radiographs at 3 month intervals for 12 months. The Kruskal-Wallis test was used to determine the significance, with Post Hoc Dunn tests for multiple comparisons.
resultsAt the 12-month follow-up, the CH+CHX group demonstrated significantly improved periapical healing, with a mean PAI score of 1.57 +- 0.66, compared to CH+LA (2.27+-0.63) and CH+NS (2.48+-0.79), with Kruskal-Wallis p<0.05. The mean time to achieve a healthy periapical status (PAI ≤2) was shortest in the CH+CHX group (8.10+-3.28 months), followed by CH+NS (8.23+-3.28 months) and CH+LA (8.25+-3.31 months), with the multivariate Log-Rank test indicating a statistically significant difference among the groups (p<0.05).
conclusionThe findings of this study indicate that CH when combined with 2% CHX as an aqueous vehicle demonstrated superior healing of periapical lesions in patients with pulpal necrosis and symptomatic apical periodontitis compared to saline or lidocaine.
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