Mouthpiece

An oral appliance for a user comprising:

• a first body configured to be secured over one or more teeth of a user, the first body comprising a first frame for location about at least one of a molar or a premolar of user, a first bite pad between upper teeth and lower teeth, the first bite pad being adapted to be molded in the frame while in situ in the mouth of the user and the first bite pad being adapted to be formed and adapted to be set in situ by a PVS material, the first bite pad adapted to be in contact with at least one of a molar or a premolar of user, and the first bite pad adapted to define an exterior shape of at least a portion of the upper teeth and the lower teeth of a user;
• a second body configured to be secured over one or more teeth of a user, the second body comprising a second frame for location about at least one of a molar or a premolar of user, a second bite pad between upper teeth and lower teeth, the second bite pad being adapted to be molded in the frame while in situ in the mouth of the user and the first bite pad being adapted to be formed and adapted to be set in situ by a PVS material, the second bite pad being in contact with at least one of a molar or a premolar of user, and the second bite pad defining an exterior shape of at least a portion of the upper teeth and the lower teeth of a user;
• the respective first frame and the second frame, prior to having the respective bite pads in place being hollow without an intervening spacer between a to and a bottom of each of the respective frames;
• and
• a connector between the first frame and the second frame thereby connecting the first body and second body together and forming with the first body and second body, the appliance for the user, and the connector being adapted for location solely within the mouth, and further being adapted to be located on the inside of the lower teeth.