Electrical+toothbrush+by+Alejandro

media type="custom" key="23144612"

media type="custom" key="23144438" **An electrical toothbrush is a toothbrush which is electrical and is not manual.** **If you don`t now how to use, please check this video** media type="youtube" key="HkdgyXHEboE" width="420" height="315"

** -It`s a nice tool to brush your teeths, It`s electrical, so you are comfortable with it. ** ** -There`s a disadvantage that using many time the electrical toothbrush can abrade your teeths. ** ** 3) **** How are the moving parts joined together? ** ** They are joined by small screws and other pieces of metal. **
 * 1) What do you like/dislike about your product?**
 * 2) What is moving in your object?**
 * As you can see in this picture the motor and the coils are moving. ** [[image:https://encrypted-tbn1.gstatic.com/images?q=tbn:ANd9GcRRhmJaeYZhYrrsJ6rnxt_D_VaF6UlTGJwtH8yQ4vFM7_lXNBoCwQ]], ** Also, there`s a piece of metal which is moved by the coils and a motor and this piece of metal moves the upper part that you can see in this picture: **

**3) W**** hat movement is produced? ** **The moving parts move in a circular way that produces circular movement**  **An electrical toothbrush works by a motor that is inside which moves all the moving components, you can see in this video:** media type="youtube" key="_dUsU8bqxag" width="420" height="315" **motor:**
 * 4) Why are the moving parts used? ** **They are used to brush your teeths in a easy, powerful and faster way, It`s better than a normal toothbrush**
 * ** 5) How do they work? ** ||

** 6) ** ** Curiosities **
 * -Independents researchs have found that most electric toothbrushes are no more effective than manuals toothbrushes . The exceptions are the models with rotation and oscilation, which includes several series of the electric toothbrushes Braun Oral B, but still these brushes have a slightly better performance than a regular manual toothbrush**

**__8.- Picture Gallery __**