Abstract: This occlusal grinding protective device and orthodontic aligner is intended for intraoral use in children ages 1 to 6 years old, who exhibit symptoms of teeth grinding and in those who exhibit teeth changes due to prolonged tongue thrusting, thumb sucking, and deformation due to prolonged pacifier use. The appliance separates the upper teeth from the lower teeth and keeps the user from further destruction of their teeth due to grinding. It has facial guide planes attached to the grinding plate. These so called lip bumpers will maintain teeth and jaws in ideal occlusal relationship. In children who suffer from misalignment (teeth or skeletal) and are grinding, the lip bumpers will serve to orthodontically guide the teeth into ideal class I occlusions, whereby still protecting teeth from damage due to grinding. Its suggested wear time is at night during sleep.