| 摘要 |
For the use of toothbrush to clean the teeth, it is recommended that the head of the toothbrush should be placed beside teeth with the bristle tips at a 45 degree angle against the gum line. In PAK MONT Toothbrush, rectangular head with rounded edges contains bristles in five rows. They are classified as: Bristles of outer row. Bristles of intermediate row. Bristles of central row. Bristles of all rows Do not have the same length. Instead, inclined cutting of bristles making a 45 degree angle with horizontal plane is the unique characteristic of PAK MONT toothbrush. Tuft of each row is not rounded end. Instead, it has TAPERED End which is 2nd important characteristic of PAK MONT toothbrush as shown in figure 4. In PAK MONT tooth brush, there is passage for flow of sodium flouride/mouthwash through micro holes located on Head around the bristles. The passage runs along neck and handle. The flow of Sodium flouride/mouthwash through head of brush is the 3rd unique feature giving this tooth brush a NEW PRODUCT.
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