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The influence of location of local anesthesia and complexity/duration of restorative treatment on children's behavior during dental treatment.

PURPOSE
The purpose of this study was to investigate whether the region of local anesthetic injection and the complexity and duration of restorative treatment were associated with children's behavior during and immediately after dental treatment.


METHODS
This study examined 90 children, divided into two age groups (2-3.5 years old and > 3.5-5.5 years old), who underwent dental treatment while lightly sedated. The region of local anesthesia (maxillary infiltration or mandibular block), complexity and duration of treatment, and behavior during and after treatment were assessed.


RESULTS
Children's behavior during and after dental treatment, within and between age groups, was not found to be associated with the region of local anesthesia or complexity of treatment. For both age groups, more children exhibited negative behaviors during treatment when procedures exceeded 30 minutes. For younger children, more negative behaviors were also observed after longer vs shorter procedures.


CONCLUSION
Treatment duration, not the region of local anesthesia or complexity of treatment, was associated with children's behavior during and after dental procedures.