a state of unconsciousness from which the patient cannot be aroused, even by powerful stimuli. Traumatic brain injuries are the most frequent cause; other causes include severe uncontrolled diabetes mellitus, liver disease, kidney disease, and neurologic conditions. Evaluation of a patient in a coma is comprehensive. The underlying cause should be identified so that appropriate treatment can be initiated.
Dental Care. A veneer is a thin shield of porcelain that is used to cover the front surface of a tooth. Veneers are designed as a permanent way to change or enhance the look of stained, chipped, broken, or undesired teeth. To get a veneer, you'll very likely need to see your dentist at least two times.
1 veneer. noun veÂ·neer \vÉ-Ënir\. Tweet. : a thin layer of wood or other material that is attached to the surface of something in order to make it look better. : a way of behaving or appearing that gives other people a false idea of your true feelings or situation.ull Definition of VENEER. 1. : a thin sheet of a material: as a: a layer of wood of superior value or excellent grain to be glued to an inferior wood b: any of the thin layers bonded together to form plywood c: a plastic or porcelain coating bonded to the surface of a cosmetically imperfect tooth.