A tingling sensation in a tooth without pain can be an early sign that the tooth's nerve is being irritated. Common causes include enamel erosion, early tooth decay, a small crack, gum recession, teeth grinding, or temporary sensitivity after dental treatment. Although the sensation may seem minor, it shouldn't be ignored because early diagnosis can prevent more serious problems. If the tingling persists, worsens, or is triggered by hot, cold, or sweet foods, schedule a dental evaluation. Read More