Dentists often caution patients against chewing standard commercial gum primarily because most conventional varieties are loaded with refined sugars that feed harmful oral bacteria, accelerating tooth decay and enamel erosion. Furthermore, excessive, prolonged chewing of hard or sugary gum can place continuous, unnatural mechanical stress on the temporomandibular joint (TMJ), leading to jaw muscle fatigue, clicking, pain, and potential chronic disorders. Additionally, constant chewing can wear down existing dental restorations like crowns and fillings prematurely.
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