People who bite their nails often try to quit because it’s hurting the appearance of their nails.
But nail-biting can also spread harmful bacteria, viruses and more from your fingers to your mouth.
As a result, research points the finger at nail biting for potentially causing these problems in your mouth:
•Broken, chipped or cracked teeth
• Misaligned front teeth
•Worn tooth enamel
•Damaged or shortened roots
•Tearing of the gums
• Jaw pain
•Grinding or clenching of the teeth
• Increased amount of bacteria in the mouth
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