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Important; affecting the merits of a case; causing a particular course of action; significant; substantial. A description of the quality of evidence that possesses such substantial Probative value as to establish the truth or falsity of a point in issue in a lawsuit.

A material fact is an occurrence, event, or information that is sufficiently significant to influence an individual into acting in a certain way, such as entering into a contract. In formal court procedures, a material fact is anything needed to prove one party's case, or tending to establish a point that is crucial to a person's position.

A material issue is a question that is in dispute between two parties involved in litigation, and that must be answered in order for the conflict to be resolved.

A material witness is a person whose testimony is a necessary element of a lawsuit. An individual who is considered a material witness can be compelled to appear in court and provide testimony. In the event that the person's safety is endangered as a result of his or her planned or actual testimony, he or she may be given legal protection or held in Protective Custody.

West's Encyclopedia of American Law, edition 2. Copyright 2008 The Gale Group, Inc. All rights reserved.


adj. 1) relevant and significant in a lawsuit, as in "material evidence" as distinguished from totally irrelevant or of such minor importance that the court will either ignore it, rule it immaterial if objected to, or not allow lengthy testimony upon such a matter. 2) "material breach" of a contract is a valid excuse by the other party not to perform. However, an insignificant divergence from the terms of the contract is not a material breach.

Copyright © 1981-2005 by Gerald N. Hill and Kathleen T. Hill. All Right reserved.
References in periodicals archive ?
The participants from group B reported higher motivation levels and drive for learning the subject of dental materials compared to group A.
In addition, measuring the proper mechanical and physical properties of the restorative dental materials is important for both material selection and the clinical performance of materials.
Sano, "The in vitro cytotoxicity of eluates from dentin bonding resins and their effect on tyrosine phosphorylation of L929 cells," Dental Materials, vol.
* For the dental assistant to transfer dental instruments, dental handpieces, and dental materials with the left hand.
On average, most traditional dental materials last about 10 years, says Stephen Bayne of the University of North Carolina at Chapel Hill School of Dentistry "We'd love for that to be 20 to 25 years."
The company further said that it will switch its focus to the development of Alzheimera[euro](tm)s disease treatments from selling dental materials.
Intended for dentistry students, residents, and junior clinicians, this reference offers a concise and well-formatted guide to the characteristics and uses of all major classes of dental materials. Individual topics are laid out in a two-page spread that includes both explanatory diagrams and primary facts.
5 February 2010 - Swiss medical devices company Nobel Biocare (SWF: NOBN) announced today it had entered in a co-operation with German provider of dental materials VITA Zahnfabrik.
The unit itself has three separate departments to which dental assistants are assigned: Chemistry, Dental Materials, and Microbiology.