The bulk of the tooth consists of dentin. Dentin is a substance that is kind of like bone but it is harder. Covering the dentin is a tough durable layer named enamel. “ Enamel is composed primarily of calcium phosphate and is the hardest substance in the body.” (Graaff & Fox 1999)
“Enamel consist of approximately 97% calcified (inorganic) materials and only 3% organic material and water.” (Thibodeau & Patton 1999) That means that the tooth is not like any other part of the body. For example the human skin if …show more content…
Smokeless tobacco stains your teeth and can give you very bad breath. It can also affect the way you taste and smell. The harsh chemicals not only harm your oral health but it can hurt the sense of smell. Increasing tooth decay is a big issue with the smokeless tobacco because it has a lot of sugar and helps for cavities to occur. Having a small pinch of chewing tobacco next to your gums can harm your gums and teeth. The effect of chewing tobacco is a permanent thing affecting your gums and surrounding bones also. Also the damaging gum tissue can cause sensitive and exposure to tooth decay. “If bone surrounding the tooth erodes too much it can even result in permanent tooth loss.” (6 Effects of Chewing Tobacco on Teeth – Comfort Dental Cares!) Chewing tobacco has twenty-eight different cancer agents that leave gums, cheeks, lips, and throat at higher risk of getting cancer. Some tobaccos also are associated with leukoplakia “A precancerous lesion of the soft tissue in the mouth that consists of a white patch or plaque that cannot be scraped off. This can result in cancer of the oral cavity, pharynx, larynx, and esophagus.” (6 Effects of Chewing Tobacco on Teeth – Comfort Dental