WHY DO WE HAVE A TOOTH SENSITIVITY?? HOW TO GET RID FROM TOOTH SENSITIVITY
WHAT IS TOOTH SENSITIVITY? Tooth sensitivity is nothing but acute, sharp, intense pain from internal part of tooth when it is exposed to external stimuli. This stimuli could be from food such as hot, cold, acidic and sweet. It can also get triggered by touch too. This is due to exposure of a layer called dentin when the outer hard enamel layer wears off. To understand this concept you have to know about the tooth anatomy. Tooth consist of enamel, dentin, pulp and cementum. Enamel is the outer hard structure composed of calcium phosphate minerals. Dentin is the second/middle layer of contains of dentinal tubules and mineral. Dentine is much softer than enamel,and have nerve fibres. The inner most core is the pulp consists of living tissues (Have blood and nerve supply).The cementum is the layer covering the root portion of the tooth. As dentine contains nerve fibres at one end of tubules, when it is expo...