Tooth root acid may be the emergence of gum recession, teeth wedge-shaped defects, triggered by dentin sensitivity, to the outside world of hot, cold, sour and sweet appear sore discomfort.
1. Gum recession. Periodontitis tartar, plaque and other external stimuli can lead to gingival recession, loss of periodontal attachment, exposure of the tooth root, dentin sensitivity can occur, when brushing teeth and drinking cold water, sore teeth.
2. Wedge-shaped defects of teeth. Incorrect brushing or localized stress concentration can lead to cervical wedge-shaped defects, dentin exposure and dentin sensitivity.
The wedge-shaped defect of the tooth should go to a professional hospital for filling treatment. When dentin sensitivity occurs, local application of desensitizing drugs such as strontium chloride for desensitization treatment, the degree of soreness can be relieved.
Specific medication needs to be under the guidance of a doctor.