| 摘要 |
PROBLEM TO BE SOLVED: To provide a dentition toy, milk tooth model/permanent tooth model, which is an enlarged model of dentition of milk teeth or permanent teeth and applied to an intellectual toy, a health guidance aid, an interior, and the like.SOLUTION: A dentition toy, milk tooth model/permanent tooth model, is characterized in that: a light, portable, safe and durable material is used to enlarge and model the tooth rows of 20 upper and lower milk teeth in total or 32 upper and lower permanent teeth in total in an oral cavity; recesses serving as periodontal tissue are formed at positions of teeth in the tooth rows of the upper jaw and the lower jaw; internal magnets or the like are installed on recess inner bottoms; each tooth is made according to the actual tooth to have each characteristic such as the size, the shape, the number of cusps of the crown, and the number of roots; each milk tooth or permanent tooth can be moved freely, e.g., attached to or detached from the internal magnet provided on the root bottom of the tooth; and the tooth root parts, the periodontal tissue and so on are discriminated by colors by coloring differently in accordance with types of teeth. |
