Effects of endodontic treatment on salivary levels of CGRP and substance P: a pilot study
Arslan Hakan, Yildiz Ezgi Doganay, Koseoglu Serhat,
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( Arslan Hakan ) - Istanbul Health Sciences University Faculty of Dentistry Department of Endodontics
( Yildiz Ezgi Doganay ) - Bursa Uludag University Faculty of Dentistry Department of Endodontics
( Koseoglu Serhat ) - Istanbul Health Sciences University Faculty of Dentistry Department of Periodontology
Abstract
Objectives: The aim of this study was to evaluate the effects of endodontic treatment on levels of substance P (SP) and calcitonin gene-related peptide (CGRP) in the saliva of patients with symptomatic apical periodontitis.
Materials and Methods: Twelve patients with mandibular molars with symptomatic apical periodontitis were enrolled in this study. An initial saliva sample was collected just before administration of anesthesia for root canal treatment, which was performed at the first visit. A second saliva sample was collected at a control visit 1 week after treatment. Salivary SP and CGRP levels were evaluated quantitatively using biochemical assays. The data were analyzed using Pearson correlation analysis, the paired samples t-test, and the Mann-Whitney U test (p = 0.05).
Results: The postoperative salivary level of SP was significantly lower than the preoperative level (p = 0.005). However, the postoperative salivary level of CGRP was similar to the preoperative level (p = 0.932). Visual analog scale (VAS) scores of patients' subjective pain were found to be positively correlated with salivary levels of SP (r = 0.421; p = 0.040). No statistically significant correlations were observed between salivary levels of CGRP and VAS scores for patients' subjective percussion tenderness (p = 0.533) or VAS scores for patients' subjective pain (p = 0.459).
Conclusions: According to the results of the present study, salivary SP levels may be used as an objective indicator in the diagnosis and assessment of the degree of pain in endodontic diseases.
키워드
Endodontics; Substance P; Calcitonin gene-related peptide; Root canal treatment
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