guard

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guard

 [gahrd]
a protective device.
mouth guard any of various removable intraoral appliances that protect the teeth and sometimes the lips and cheeks during contact sports.

guard

(gahrd)
1. To watch over so as to protect or maintain control.
2. A person or thing performing such a function.

guard

A device for protecting something (e.g., a mouth guard or a face guard).

occlusal guard

A removable dental appliance that covers one or both arches and is designed to minimize the damaging effects of bruxism, jaw and head trauma during contact sports, or any detrimental occlusal habits.
See: nightguard; mouth guard
References in periodicals archive ?
Plus, the BowShield defends any moored watercraft against the continuous scraping of the bow against the dock, guarding against scratching, chips and gouges.
Moreover, the pneumatic design gives the user complete control over the cutting action, thereby guarding against accidents or an inadvertent cut.
WorldSecure Server provides even greater enterprise-wide protection from the ExploreZip worm than traditional anti-virus solutions in that it delivers an additional layer of security, guarding against the threat on two levels.
Employing Citadel's "Logical Recovery Approach," CNRS performs an elegant shutdown and recovery of affected servers, databases and workstations while guarding against loss of data and data integrity at all levels.