The cause for sensitive tooth necks is, that, as time goes by, the gums form back and the tooth necks will be exposed. Since the tooth neck does not have a protective enamel they are very sensitive. Also the elution of important sealing minerals of the tooth substance – e.g. due to sour and sweet food – may result to a sensitivity. Cold, heat, or chemical stimuli therefore will be experienced very strong.
The degeneration of the gums frequently is due to too fierce brushing. Other causes may be: bruxism, adverse tooth position, or a poor orthodontic care. The treatment may be provided, on the one hand, using special toothpastes or fluoride varnishes applied by the dentist. Unfortunately, the effectiveness is limited.
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