Tooth protector devices are disclosed for attachment to the top of a bottle to provide protection against injury, including chipping of teeth that can occur during drinking from a glass bottle. One embodiment comprises a concentric sleeve with top lip for insertion over the end of a bottle. Sleeve inner portion is adapted for engaging the bottle outer surface to hold the sleeve in place. The outer and top portions of the sleeve protect the consumer from the top edge of the bottle. When installed, a tooth protector according to the present invention cushions the teeth and mouth from any blunt force or impact that can occur when a bottle is hit or knocked. Also disclosed is a beverage cap with cushioned outer and upper surfaces that remain in place on the beverage bottle after opening the bottle to protect the consumer, and another bottle enclosure without such cushioned surfaces.