Abstract: A custom made bite guard construction (10) for relaxing a patient's temporal muscles (105) and providing relief from the strain of teeth clenching in the molar region (103) wherein the construction (10) includes a custom fit upper portion (11) and a custom fit lower portion 12 that partially cover only the bicuspid and anterior teeth of the upper (101) and lower (102) teeth arches and which are joined together by an intermediate bite portion (13) that creates a space (103) between the opposed teeth in the patient's molar region; and, the invention also includes the method employed in the fabrication of the bite guard construction (10).