Another tooth-related cause of loose brackets is a bad bite. If a tooth in the opposing arch hits on a bracket when the patient bites down, or even if a cusp tip in the opposing arch is directly across from a bracket, it is more likely that bracket will become dislodged during chewing. After placing brackets in our office, we have our patients bite together to see if any are in occlusion. If they are, we place some temporary composite between the teeth to keep things from hitting.
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