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Characteristics of Cracked Teeth with Reversible Pulpitis After Orthodontic Banding—A Prospective Cohort Study

Published:September 20, 2022DOI:https://doi.org/10.1016/j.joen.2022.09.002

      Abstract

      Introduction

      Cracked teeth with reversible pulpitis can be managed with orthodontic bands in the interim before definitive restorations. The aim of this study was to determine short-term outcomes of these teeth following orthodontic band placement. The time taken for definitive pulp diagnoses after orthodontic band placement and associated prognostic factors was also analyzed.

      Methods

      One hundred twenty-five patients with a cracked tooth with reversible pulpitis each were recruited. Preoperative data including patient and tooth factors were collected. Cracked teeth were banded and reviewed until symptoms resolved before referral for coronal coverage. Kaplan-Meier and Cox analyses were performed to analyze pulp survival of these teeth. Prognostic factors were investigated using Pearson's chi-square and Student's t-test.

      Results

      One hundred twenty-two cracked teeth were analyzed. One hundred thirteen (92.6%) teeth had the pulpitis resolved within 2 months (median 40.0; interquartile range 28–61). The median time taken for progression to irreversible pulpitis or pulp necrosis for teeth that required root canal treatment was 3 months (median 90.0; interquartile range 68–110). No prognostic factors were associated with the resolution of pulpal symptoms. However, higher preoperative triggered pain scores (P < .05, hazards ratio 1.547) and absence of a distal marginal ridge crack (P < .05, hazards ratio 0.638) were correlated with a longer duration before definitive pulp diagnoses.

      Conclusion

      Following orthodontic band placement, a normal pulp diagnosis was achieved in 92.6% of cracked teeth with preoperative reversible pulpitis. Definitive pulp diagnoses could be determined in approximately 2 months. Teeth with higher preoperative triggered pain scores may require a longer review period.

      Key Words

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