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A 17-year-old female asked:

This may be a strange question.. but i am addicted to chewing on plastic water bottle caps.. is there health issues i should be worried about?or not?

1 doctor answer1 doctor weighed in
Dr. Paul Grin
Pain Management 37 years experience
ParafunctionalHabit: It has been suggested that contributing factors such as the loss of posterior dental support and presence of parafunctional habits (e.g., clenching, chewing gum, chewing on pencils/pens, nails biting or chewing on "plastic water bottle caps") may play a role in temporomandibular joint dysfunction. Rec: to replace this habit.
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Last updated Sep 21, 2018

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