Section 650-1-2-7 - MouthpiecesA. All competitors are required to wear a custom-made and individually fitted mouthpiece during competition. The mouthpiece shall be subject to examination and approval by an attending physician.B. A round of competition cannot begin without the mouthpieces in place.C. If a mouthpiece is accidentally dislodged during competition, without interfering with the immediate action, the referee shall call time, and the fighter or the fighter's corner person may clean the mouthpiece and reinsert it.99- 650 C.M.R. ch. 1, § 2-7