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 ?
CORNELIAN Guards against vocal weaknesses and poor speech, as well as lack of physical and mental energy and poor concentration.
Three were of particular importance: force Duke's Trajan Langdon, not point guard William Avery, to bring the ball upcourt, which Calhoun felt would slow the Blue Devils' attack; defend center Elton Brand with an easy-to-follow double-team strategy; and exploit Connecticut's perimeter quickness with pick-and-roll plays designed to match its guards against Duke's big men.
Today organizations are more mobile and more connected and we have once again stepped up to the challenge of providing protection with product innovation that guards against attacks on mobile devices when using wireless networks to access the Internet.
Small companies are turning to access providers to host their Web sites because of the cost, convenience and technical expertise, while large corporations are using ISPs because it guards against hackers using their servers to access internal computer networks, Adams said.
Currently available systems developed and distributed by US Biometrics include: CheckQ(TM) - the industry's only shared database that is populated by records from financial institutions across the United States and guards against fraudulent non-customer transactions; VaultQ(TM) - a more secure alternative to traditional card-and-signature safe-deposit box access; AccessQ(TM) - a system that provides businesses a secure and convenient alternative or enhancement to passwords, badges, swipe cards, and PINs to protect against unauthorized access; PassQ(TM) - a biometric mouse or stand alone unit requiring fingerprint identity verification to log into individual computers and networks; and Qrl(TM) - an application using fingerprint biometrics to secure transactions made over the Internet.
MXtreme increases effectiveness while reducing the cost of protecting email systems via a layered security model that guards against attacks at all levels, including operating system hacks, malformed messages, Spam, and employee misuse and other risks.
MXtreme guards against attacks at all levels, including operating system hacks, malformed messages, and viruses, as well as protecting against employee misuse and annoying and costly SPAM.
This feature guards against the potential for recording inaccurate weights that can result from using a continuous airflow for bag opening.