To provide a sheet for both-side biting for a person who suffers from various symptoms such as stiffness in shoulders since he/she cannot bite with both-side teeth by the cause of some kind so as to eat a meal only with one-side teeth or cannot perform biting owing to the lack of the teeth.

A part (1) for the dental bite of the whole teeth is cut from the soft sheet for a dental material. When a user performs the strong biting with the obtained both-side biting sheet, the various symptoms such as a migraine whose cause is not specified or the stiffness in shoulders are relieved. An excellent effect is obtained if the sheet is made of use for caring.