Dental implant: the dehiscence of soft tissue exposing the dental implant cover screw, neck, body, or threads. Colloquial term for stage two surgery.
Barrier membrane: the dehiscence of soft tissue exposing an occlusive membrane during the healing period.
In radiology, a measure of the roentgen rays or gamma radiation at a certain place based on its ability to cause ionization. The unit of exposure is the roentgen. Called also exposure dose.
The fact of being exposed to something.
The fact of being damp, cold and with no protection from the weather.
A measure of the ionization of air produced by a beam of radiation. Exposure is defined in coulomb/kg of air, but there is no special unit in the S.I. system for this concept. An older unit, the roentgen (R), was defined as 2.58×10 -4 C/kg.
A method of treating fears and phobias that involves confronting the individual with the situation he has been avoiding, so allowing the fears to wane by extinction. It can be achieved gradually by desensitization or suddenly by flooding.
The amount of radiation delivered or received over a given area or to the entire body or object.
This term describes the impacts on the body when exposed to extremely low temperatures or a combination of low temperatures, moisture, and strong winds. The principal risk in such conditions is hypothermia, which involves a significant drop in body temperature.
This term also refers to exposure to radiation, environmental contaminants, or infectious diseases.