(1) Application of a splint or treatment using a splint. (2) In dentistry, the joining of two or more teeth into a rigid unit by means of fixed or removable restorations or appliances. (3) Stiffening of a body part to avoid pain caused by movement of the part, as from a fracture or other injury. (4) In psychiatry, the exercise by family, friends, or coworkers of the various strategies designed to minimize the impairment and increase the functional level of a person with diminished higher cortical function. Splinting: Treatments