The cementum keeps the tooth root safe, and beneath both the cementum and enamel is dentin, which is much less dense than the aforementioned layers. When dentin, which has microscopic tubules, is no longer covered by enamel and cementum, the nerves inside the teeth can now be reached by hot, cold, and acidic foods and beverages. This bypassing of protective layers leads to hypersensitivity.
As mentioned earlier, plaque causes harmful bacteria to form on your teeth, and when ignored, it can harden, become tartar, and lead to even more tooth decay. A layer of sticky substance that forms when the mouth has too much sugar and starch, dental plaque is among the more common oral health problems we all experience.
Brushing and flossing your teeth daily, along with observing proper oral hygiene, can help prevent and treat dental plaque.
An impacted tooth refers to teeth that stay under and do not grow out of the gums. As we age, our teeth gradually emerge. First, during infancy, and then once again when our permanent teeth come out to replace the baby teeth. The last batch of teeth to emerge are the third molars, often referred to as wisdom teeth. When these teeth fail to emerge, or only do so partially, they are considered to be impacted.
There are different reasons that can cause an impacted tooth, and while painless and fairly commonplace, an impacted tooth that keeps trying to emerge can push your other teeth out of place. This can lead to a misaligned bite, among other complications.