Toothbrushes are the first line of defense against dental decay, gingivitis, and periodontal disease, but due to claims of advertising, many people are unsure of which one to buy.
There are two types: manual and mechanical. Manual toothbrushes originated in the 1600′s, but it wasn’t until 1938 that the nylon-bristled brushes we use today were invented. Mechanical toothbrushes were created in the mid-1900′s, and in 1987, the rotary electrical brush was developed. Research shows that there is no conclusive evidence that one is better than the other in normal situations.
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