With proper care, most custom mouthguards last several years. Longevity depends on usage, grinding intensity, and regular dental evaluations.

Yes. Children who play sports can benefit from custom mouthguards, though replacements may be needed as their teeth grow and change.

No. Night guards and sports mouthguards are designed differently based on their purpose and the type of forces they manage.

A night guard helps protect teeth from damage but does not eliminate grinding itself. It reduces wear and strain on teeth and jaws.

If a mouthguard feels loose, uncomfortable, or shows visible damage, it should be evaluated by a dentist to determine if replacement is needed.