A dental device comprising: a handle and; a stem. The stem having a tip with an end. The tip has a first groove winding therearound extending from a first distal point proximate the end towards the handle at least one complete turn around the tip to a first-groove termination point. The stem has a first flange projecting outward therefrom and winding therearound. The first flange extends away from the handle from a first proximal point towards the end of the tip to a first-flange termination point. At least a portion of the stem having the first groove and at least a portion of the first flange is suitable for insertion into an area between two teeth, whereby the area between the teeth may be cleaned by the at least a portion of the stem inserted between the teeth.

Provided is an interdental cleaning tool that can reduce at least one of a resistance against insertion in an interdental space and a resistance against withdrawal from an interdental space, and has a high capability of scraping out deposit from an interdental space. The interdental cleaning tool includes a base portion including a shaft portion (20) and a cleaning portion (40). The cleaning portion (40) includes a cleaning portion body (50) and a plurality of bristles (60). The plurality of bristles (60) include at least one of a type of top end-oriented bristles and a type of base end-oriented bristles. The top end-oriented bristle has a shape titling to a top end side of the shaft portion (20) as advancing away from an outer circumferential surface of the cleaning portion body (50). The base end-oriented bristle has a shape tilting to a base end side of the shaft portion (20) as advancing away from the outer circumferential surface of the cleaning portion body (50).

An automated toothbrush assembly for brushing teeth includes a handle that is gripped for brushing teeth. A rotation unit is movably positioned within the handle and the rotation unit includes a drive shaft that extends outwardly through the handle. The rotation unit alternately rotates the drive shaft in a first direction and a second direction when the rotation unit is turned on. A plurality of brushing heads is provided and a respective one of the brushing heads is removably attachable to the handle to place the respective brushing head in mechanical communication with the drive shaft of the rotation. Each of the brushing heads includes a brush that has a conical shape to penetrate spaces between teeth.

An automated toothbrush assembly for brushing teeth includes a handle that is gripped for brushing teeth. A rotation unit is movably positioned within the handle and the rotation unit includes a drive shaft that extends outwardly through the handle. The rotation unit alternately rotates the drive shaft in a first direction and a second direction when the rotation unit is turned on. A plurality of brushing heads is provided and a respective one of the brushing heads is removably attachable to the handle to place the respective brushing head in mechanical communication with the drive shaft of the rotation. Each of the brushing heads includes a brush that has a conical shape to penetrate spaces between teeth.

An oral cavity washing device includes a nozzle having a flow passage structure and a pump to feed washing liquid to the flow passage structure. The flow passage structure includes: a first component having a first flow passage; a second component being disposed downstream of the first component and having a second flow passage that is narrower than the first flow passage; a third component being disposed downstream of the second component and having a third flow passage that is broader than the second flow passage; a reducer being disposed downstream of the third component and being configured so as to reduce a width of the flow passage; and a fourth component being disposed downstream of the reducer and having a fourth flow passage that widens with an advancement in a path from the reducer to the outlet port so as to generate cavitation in the washing liquid.

An interdental cleaning instrument is equipped with a base part and a cleaning part. The base part has a shaft part and a grip part. At least the shape of the base part is set in a manner such that a first pressing force required to press a portion spaced 2.5 mm apart from a tip of the cleaning part in 10 mm is 0.3 N or more and 1.4 N or less in a state in which a portion spaced 10 mm apart from the tip of the cleaning part is fixed, and a second pressing force required to press a portion spaced 8.0 mm apart from the tip of the cleaning part in 10 mm is 0.5 N or more and 2.5 N or less in a state in which a portion spaced 35 mm apart from the tip of the cleaning part is fixed.

An interdental cleaner (10) has a rod-shaped support (11) made of plastic, a handle part (12) connected to the support (11), and a cleaning part (13) which has a sleeve-shaped cover (14) arranged on the support (11). The cover carries radially outwardly protruding cleaning elements (15). Provision is made that the cover consists of a plurality of cover parts, wherein a first cover part (16) consists of a first soft-elastic plastic, and wherein a second cover part (17) consists of a second soft-elastic plastic or of a thermoplastic, wherein the plastics material of the first cover part (16) is different than the plastics material of the second cover part (17). Preferably, the plastics material of the first cover part (16) has a lower Shore hardness than the plastics material of the second cover part (17).

The present disclosure discloses a water flosser comprises a housing, a tooth irrigation portion, a water nozzle portion, a winding mechanism, and a water pipe configured to be bent and wound. The tooth irrigation portion is disposed in the housing and comprises a water inlet and a water outlet. The water nozzle portion is in communication with the water outlet of the tooth irrigation portion.

A tooth cleaning device for the specific cleaning of crevices between teeth and gingival pockets having a curved carrier body in the shape of a jaw and a resilient, curable dental impression material, which is applied on both sides of the carrier body. The impression material is applied at a low height such that, during use, only the occlusal surfaces of teeth submerge into the dental impression material, while the crevices between teeth are largely free from the dental impression material. The carrier body has at least one, preferably a plurality of centering projections, which ensure that the tooth cleaning device is inserted in a centric position of the jaw. The device forms a barrier between the actual oral cavity (cavum oris proprium) and the oral vestibule, that is, the space between the lips/cheeks and row of teeth (vestibulum oris). In view of this barrier, the crevices between teeth present the only passage through which a cleaning fluid can be pressed by moving the tongue and/or cheek muscle.

A tooth cleaning device for the specific cleaning of crevices between teeth and gingival pockets having a curved carrier body in the shape of a jaw and a resilient, curable dental impression material, which is applied on both sides of the carrier body. The impression material is applied at a low height such that, during use, only the occlusal surfaces of teeth submerge into the dental impression material, while the crevices between teeth are largely free from the dental impression material. The carrier body has at least one, preferably a plurality of centering projections, which ensure that the tooth cleaning device is inserted in a centric position of the jaw. The device forms a barrier between the actual oral cavity (cavum oris proprium) and the oral vestibule, that is, the space between the lips/cheeks and row of teeth (vestibulum oris). In view of this barrier, the crevices between teeth present the only passage through which a cleaning fluid can be pressed by moving the tongue and/or cheek muscle.