1. Of a metal, the condition of having formed a protective oxide coating; for example, rustless metals and aluminum become passive in air.
2. In dentistry, the quality or condition of inactivity or rest assumed by the teeth, tissues, and denture when a removable partial denture is in place but not under masticatory pressure.
Farlex Partner Medical Dictionary © Farlex 2012
In dentistry, quality or condition of inactivity or rest assumed by the teeth, tissues, and denture when a removable partial denture is in place but is not under masticatory pressure.
Medical Dictionary for the Dental Professions © Farlex 2012
Patient discussion about passivity
Q. what is a passive smoking? and is it dangerous as an active?
A. Passive smoking is the exposure to cigarettes smoke emitted from cigarettes smoke by other person. It's dangerous and may increase the risk to several diseases similar to active smoking (one's exposure to smoke emitted from the cigarettes he or she is smoking) although the risk is of lower magnitude. Example for passive smoking is children of smokers etc.
You may read more here:http://www.nlm.nih.gov/medlineplus/secondhandsmoke.html
Q. what is it a passive smoking? and is it bad as as the active smoking? can i get cancer from it?
A. Passive smoking is the involuntary exposure of nonsmokers to tobacco smoke from the smoking of others. It is considered dangerous, and cause increased risk of cancer, although to a lesser degree than active smoking.
You may read more here:
Q. Can I get lung cancer from passive smoking? All my friends smoke, can I get cancer by hanging out with them?
A. Yes, you can develop cancer by passive smoking. From what I've heard, non-smokers exposed to second-hand smoke at home or work, increase their risk of developing lung cancer by 20 percent to 30 percent.More discussions about passivity
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