?Bruxism is a condition where a person grinds, clenches, or gnashes his or her teeth; it can occur when awake or asleep
Due to:
-Psychosocial factors: Stress, nervousness.-a person's gene
-occlusal interferance
Treatmeant:
-Behavior Change Change the resting mouth and jaw position .-Mouth Guards (intraoral appliances) Use  it to separate the teeth; reduce muscle activity .-Dental Treatment Repair teeth that have been chipped or worn away.Stress Management Reduce stress-related responses, talk with child,give him a cup of warm milk before sleeping.Crowns or other procedures may be needed.