Dental sensitivity occurs when the dentin, the inner part of the tooth, loses its natural protection and is exposed. One of the earliest indicators of tooth sensitivity is the minor discomfort that occurs when we drink beverages and foods that are too cold or too hot. It is also common, in the case of suffering from sensitive teeth, to notice a small and annoying pain when consuming sweets or acidic foods. Brushing too hard, bruxism (clenching your teeth when you fall asleep or facing a stressful situation), receding gums or not following proper dental hygiene due to pain are situations that can lead to tooth sensitivity. Also, if left untreated, complications such as gingivitis or periodontitis may occur. Using specific products such as a toothbrush with soft filaments and a specific toothpaste and / or mouthwash will help us to treat and avoid tooth sensitivity. In addition, it is very important to visit the dentist regularly, which will clear any doubts you have and will advise you the most appropriate solution.