Sensitive teeth, also known as dentin hypersensitivity, is a common problem that is experienced by over 40% of the UK population at some point in their lives. It is typically a short, sharp pain from exposed dentin in response to stimuli (pressure changes to temperature and electrical changes). The innermost part, the pulp of the tooth, contains all the nerves and blood vessels that keep our tooth alive; the dentin is the second innermost part that encapsulates the pulp-it is also the suspect behind tooth sensitivity. Dentine; the inner layer of the tooth, is the part of the tooth structure that is covering and protecting the nerve endings, when exposed to extremely hot ,cold stimuli, and sweet and sour tastes, it automatically triggers a sudden impulse that make us feel a split-second, sharp pain. When the outer layer, i.e. enamel starts to wear away then the dentin becomes hypersensitive. In some extreme cases just exposure to cold air can cause pain for pe...
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