| D009622 |
Noise |
Any sound which is unwanted or interferes with HEARING other sounds. |
Noise Pollution,Noises,Pollution, Noise |
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| D003737 |
Dental Cavity Preparation |
An operation in which carious material is removed from teeth and biomechanically correct forms are established in the teeth to receive and retain restorations. A constant requirement is provision for prevention of failure of the restoration through recurrence of decay or inadequate resistance to applied stresses. (Boucher's Clinical Dental Terminology, 4th ed, p239-40) |
Cavity Preparation, Dental,Cavity Preparations, Dental,Dental Cavity Preparations,Preparation, Dental Cavity,Preparations, Dental Cavity |
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| D003754 |
Dental High-Speed Equipment |
Tools used in dentistry that operate at high rotation speeds. |
High Speed Dental Equipment,Dental High Speed Equipment,Dental High-Speed Equipments,Equipment, Dental High-Speed,Equipments, Dental High-Speed,High-Speed Equipment, Dental,High-Speed Equipments, Dental |
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| D003762 |
Dental Instruments |
Hand-held tools or implements especially used by dental professionals for the performance of clinical tasks. |
Instrument, Dental,Dental Instrument,Instruments, Dental |
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| D003782 |
Dental Pulp |
A richly vascularized and innervated connective tissue of mesodermal origin, contained in the central cavity of a tooth and delimited by the dentin, and having formative, nutritive, sensory, and protective functions. (Jablonski, Dictionary of Dentistry, 1992) |
Dental Pulps,Pulp, Dental,Pulps, Dental |
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| D006317 |
Hearing Loss, Noise-Induced |
Hearing loss due to exposure to explosive loud noise or chronic exposure to sound level greater than 85 dB. The hearing loss is often in the frequency range 4000-6000 hertz. |
Acoustic Trauma,Hearing Loss, Noise Induced,Noise-Induced Hearing Loss |
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| D000388 |
Air |
The mixture of gases present in the earth's atmosphere consisting of oxygen, nitrogen, carbon dioxide, and small amounts of other gases. |
|
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| D000391 |
Air Microbiology |
The presence of bacteria, viruses, and fungi in the air. This term is not restricted to pathogenic organisms. |
Microbiology, Air |
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| D013242 |
Sterilization |
The destroying of all forms of life, especially microorganisms, by heat, chemical, or other means. |
|
|
| D014867 |
Water |
A clear, odorless, tasteless liquid that is essential for most animal and plant life and is an excellent solvent for many substances. The chemical formula is hydrogen oxide (H2O). (McGraw-Hill Dictionary of Scientific and Technical Terms, 4th ed) |
Hydrogen Oxide |
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