Toothache from eating raisins is considered to be related to tooth wear and tear, dental caries, etc., which produces toothache symptoms when stimulated by sugar. It is recommended to consult a doctor in time to deal with the discomfort. 1. Tooth wear: mainly due to mechanical friction caused by the progressive loss of dental hard tissue, if the wear faster can lead to exposure of dentin tubules, eating raisins higher sugar can stimulate the dentin tubules caused by toothache, which can be relieved within a short period of time. 2. Dental caries: bacterial infection, high sugar diet is the main cause of dental caries, if the caries is not treated in time to form cavities, cold, hot, sour and sweet stimuli will be more sensitive, raisins contain high sugar, stimulate caries easily cause toothache, remove the stimulus after the disappearance of the symptoms. Therefore, eating raisins toothache can be caused by a variety of pathological reasons, it is recommended to seek timely medical treatment to find the cause of timely treatment. In daily life, eat less high sugar food, maintain oral hygiene is conducive to dental health.