Types of toothbrushes are divided based on brush head sizes， bristle length and bristle hardness.

PRODENT PROXIDENT TOOTHBRUSH (#720・#721)

Proxident Toothbrushes are classified based on brush head sizes， bristle length and hardness. Proxident Toothbrushes can thus fit all brushing conditions. Slim head. Short tufts. ◆Excellent in reaching occlusional surface. Effective in controlling plaque around gum line.　 ? ? ?With clear cap Slim head. Regular tuft. ◆Slim head. Standard bristle length. Medium bristle hardness. Best toothbrush for adults. ?With clear cap ? Product name Bristle tips Head Sizes (LengthXWidth)mm Number of tufts Bristle length mm Total length mm #720 Tapered Round 23.0X8.5 24 8.5 161.0 #721 9.5 ＃７２０・７２１共通 There can be some differences between 『1. Bristle hardness written in product name』 and 『2. Bristle hardness written on package』? 1. Based on real feeling of use. 2. Based on Household Goods Labeling Law. Bristles are equally trimmed then go under compression measurement. Bristles are classified based on force magnitude. 【Colors】　Pink・Yellow・Green・Blue ? Household Goods Labeling Law Handle material ABS resin Bristle material Nylon Bristle hardness Regular Heat-resistant temperature 80℃ 【Advertisement】　P&A co. Ltd. (+81)72-367-7063