Eating fried stuff blisters on the tooth bed may be caused by not paying attention to oral hygiene, gingivitis, periodontal abscess and so on. 1. Do not pay attention to oral hygiene: If the brushing time is relatively short or the way of brushing teeth is not correct, do not rinse the mouth after meals, will lead to a large number of bacteria in the oral cavity breeding, will appear to eat fried things blisters on the bed of the teeth appear. 2. Gingivitis: the disease is mainly caused by tartar, bad restorations, endocrine and progesterone levels rise and other factors, will lead to patients to eat fried things blisters on the bed of the phenomenon, some patients will have root local itching, swelling, bad breath and other symptoms. 3. Periodontal abscess: eating fried things on the bed of the teeth long bubble may be caused by periodontal abscess, mainly occurs in the periodontal pockets or deep periodontal connective tissue in the confined suppurative inflammation, the patient will appear gums red and swollen, tooth loosening and other symptoms. It is recommended that patients go to the hospital in time, under the diagnosis of the doctor, according to the patient’s specific condition, to take targeted treatment.