No it won't cause oral cancer.
Their could be many reasons for sensitivity like re infection in root canal treated tooth, gum infection or no capping done after root canal.
X ray is required for proper diagnosis and treatment.
Consult with doctor online or offline for better guidance and treatment options.
Try to maintain good oral hygiene by brushing twice a day, warm saline water rinses two to three times a day.
Answered2021-08-03 08:56:24
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