To enable a user to effectively polish the teeth by providing a teeth brush having brush parts for the molars capable of easily polishing the entire part of the molars in addition to ordinary brush parts.

The brush parts 8 and 8a for the molars of the tooth brushes 1 and 1 a having the ordinary brush part 5 at one end of a supporting part 2 and the brush parts 8 and 8a for the molars at the other end are formed by superposing wires having elasticity and sandwiching many bristle bundles 10 between the base end exposed from the supporting part and the front ends, then applying twists thereto. The brush parts 8 and 8a for the molars are freely attachably and detachably mounted at the supporting part 2 and the wires 9 are made of stainless steel. The bristle bundles 10 of the brush parts 8 and 8a for the molars are made longer successively toward the front ends from the base ends of the wires 9 exposed from the supporting part 2.