Effect of splinting times on the healing of intra-alveolar r
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Long-term splinting of teeth with intra-alveolar root fractures has been considered important for the deposition of hard tissue between the root fragments. The aim of this study was to compare the healing outcomes in teeth with intra-alveolar root fractures relative to splinting times in three dental centers, using historical data.

A total of 512 maxillary and mandibular incisors from three dental trauma centers were included in the study. Two of the centers used long-term splinting protocols of two to three months while the other center used a short-term splinting protocol of one month or less. Three outcomes were evaluated: (1) Healing with hard tissue (dentin and/or cementum). (2) Healing with connective tissue (periodontal ligament) interposition with or without bone between the fragments. (3) Non-healing due to the coronal pulp being necrotic and infected with granulation tissue interposed between the fragments.

The mean splinting times were 18, 81, and 110 days in the three centers. Long-term splinting resulted in hard tissue healing more frequently than short-term splinting. Short-term splinting resulted in more connective tissue/bony healing than long-term splinting, while there was no difference in the frequency of non-healing between long-term and short-term splinting protocols. While the results suggest that long-term splinting favors hard tissue deposition, one cannot, however, conclude that long-term splinting definitely favors hard tissue healing since the treatment protocols were not randomized among the three centers. More clinical studies on the role of splinting time need to be done.

Source:https://onlinelibrary.wiley.com/doi/10.1111/edt.12683
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