SP Night Guard is a digitally designed and printed device to protect your jaw joint, muscles, teeth and implant from the damage caused by your grinding and clenching habit (bruxism). Night time grinding force can be mo e than 6 time heavier than average normal bite force, which can result in teeth wear & fracture, muscle spasm, head and neck pain and crown & implant failures. SP Night Guard is generally made of 3D printing hard PMMA to create 1-3mm protecting space between