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The tongue papillae, including the taste buds, can become inflamed. A sore tongue is not always a sign of something more serious. The tongue should be included in good dental health habits. Over time, smoking can make the tongue more sensitive to heat and cold.
Tingling of the tongue can feel mild and result from something as simple as poor dental hygiene and bacterial overgrowth. Tingling can also be a symptom of more serious permanent nerve damage or underlying disease. Therefore, it is important to identify the cause of any unexplained or unusual tingling.