AI Article Synopsis
- The study aimed to show that bacteria left in the root canal do not significantly affect treatment outcomes if there is good sealing at the tip of the root.
- A total of 42 patients with severe pulp damage underwent root canal treatment, with one group receiving a filling only in the apical third, while the control group had fillings to the canal opening.
- After 15 months, both groups saw similar rates of healing, indicating that effective sealing at the apex is critical, and lingering bacteria seem to have little impact on recovery within that time frame.
Article Abstract
Objective: To provide evidence from a clinical viewpoint that the bacteria persisting within the root canal system do not have a significant impact on the treatment outcome as long as an adequate apical sealing is performed.
Methods: A total of 42 patients with pulp necrosis and a periapical index (PAI) score of 5. Root canal treatment was performed in which the root canal filling was limited to the apical third of the root. In the control group, the root canal filling was performed up to the canal orifice. Data were analyzed using the Mann-Whitney test and the χ or the Fisher exact test (when appropriate).
Results: All cases presented clinical success, absence of pain, swelling, sinus tract, tenderness to palpation or percussion and presented normal tooth mobility. Fifteen months were enough for all cases of both groups to be classified with a PAI score of ≤2. There was no statistical difference between the cases that ended the study with a PAI-1 or PAI-2 score.
Conclusion: Within the limitations of this study, no significant differences in healing rates after complete obturation or only apical third obturation were observed. An adequate apical sealing can improve periapi-cal healing, thus intracanal remnant bacteria apparently have no significant impact, at least for the first 15 months of follow-up.
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|---|---|
| http://www.ncbi.nlm.nih.gov/pmc/articles/PMC7024723 | PMC |
| http://dx.doi.org/10.5152/eej.2017.17037 | DOI Listing |
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