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May 15, 2026Restorative Dentistry & EndodonticsOpen Access

Magnitude of pulp space narrowing over time and contributing factors in teeth with vital pulp therapy: a retrospective cohort study

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Authors

ABAkarapong BoontankunPCPapimon Chompu‑inwaiCMChanika Manmontri

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Overview

Retrospective cohort study compares pulp space narrowing in VPT-treated molars versus sound controls, indicating contributing factors.

Key Points

  • This study aims to compare pulp space narrowing over time in mandibular molars treated with vital pulp therapy versus sound molars.
  • Retrospective cohort study using bitewing radiographs of 134 molars at baseline and follow-up.
  • Pulp/tooth proportions were measured and compared using multilevel mixed effect linear regression and the Wald test.
  • Examiner reliability was assessed with the intraclass correlation coefficient (ICC).
  • Pulp space narrowing was significantly greater in VPT-treated molars than in controls.
  • Partial pulpotomy and coronal pulpotomy showed greater changes in pulp/tooth proportion compared to controls.
  • Invasive VPT types and severe preoperative diagnoses correlated with increased pulp narrowing.

Cite This Study

Boontankun et al. (2026) studied this question.

synapsesocial.com/papers/6a06b8c5e7dec685947ab3fahttps://doi.org/10.5395/rde.2026.51.e24
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Also Consider

Synapse has enriched 3 closely related papers on similar clinical questions. Consider them for comparative context:

  1. 1Effect of chlorhexidine gluconate as hemostatic agent in healing and repair after mineral trioxide aggregate vital pulp therapy in young permanent teeth – A clinical study2022 · 4 citations
  2. 2The pulp healing process: from generation to regeneration2012 · 33 citations
  3. 3Factors affecting the outcomes of direct pulp capping using Biodentine2017 · 110 citations