Adjective
parafunctional (not comparable)
Related to a parafunction
Normally splints are only worn during sleep, and therefore probably do nothing for people who engage in parafunctional activities during wakefulness rather than during sleep. Source: Internet
Over time, either with normal use or with parafunctional use of the joint, wear and degeneration can occur, termed osteoarthritis. Source: Internet
Other parafunctional activities might include jaw thrusting, excessive gum chewing, nail biting and eating very hard foods. Source: Internet