Brush Floss & Smile - Fun Fact: Tongue curling (or rolling) is genetic. Not-So-Fun Fact: Some people are genetically susceptible to periodontal (gum) disease. While tongue rolling is fun, gum disease is
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PDF] Tongue Rolling , Folding , Cheek Dimple and Chin Cleft ; Study of a Morphogenetic Traits in Quetta Population | Semantic Scholar
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