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Bruxism is involuntary, excessive grinding, clenching or rubbing of teeth during non-functional movements of the mastication. it is a destructive habit that may result in tooth wear. Although research on bruxism is extensive, its etiology remains debatable. The literature suggests that bruxism is correlated with both experienced and anticipated life stress. The purpose of this article is to review describe 3 out of 8 cases of severe bruxism in children of similar age with different life histories and to discuss the factors that could have triggered this parafunctional condition..&nbsp

Over-eruption of maxillary molar because of loss of the opposing teeth creates occlusal interference and functional disturbances. To provide prosthetic treatment of the missing teeth, these over-erupted teeth need to be intruded, but molar intrusion is difficult in adults. In this report, we present a simplified version of the orthodontic appliances in conjunction with lower removable acrylic bite plate to intrude the over-erupted molars. The method advocated here, uses a removable acrylic plate resulting in a true molar intrusion, thus eliminating an additional surgical step of implant placement. The results showed that the biological responses of the teeth and the surrounding bony structures to the intrusion appeared normal and acceptable.