Category: P

Study planned in advance of data collection. Considered to be more reliable than retrospective studies, because potentially confounding variables can be better controlled when the study question is known before data is collected. Compare: Retrospective study. In epidemiology a cohort study. An inquiry planned to observe events that have not yet occurred; compare with a…

Sensory nerve terminal that mediates signals related to movement and position of the body and its parts. A specialized receptor in the muscle that monitors muscle length change and the speed of change. The end of a sensory nerve which reacts to stimuli from muscles and tendons as they move. Sensory nerve ending, located in…

Perception of movement and spatial orientation of the body or parts of the body. In the oral cavity, the periodontal ligament possesses refined mechanoreceptors that provide highly sensitive neural feedback. This perception is lost or damaged following tooth extraction. It has been proposed that osseoperception of dental implants exists, although on a much lower level…

The measurement of stresses that is the point beyond which deformation is not directly proportional to the load being applied.  

Gram‐positive, nonmotile, facultative, rod‐shaped bacteria found primarily in subgingival plaque. Formerly called Arachnia propionica.  

Gram‐positive, nonmotile, anaerobic, rod‐shaped, slow‐growing bacteria primarily isolated from subgingival plaque.  

The use of measures to prevent the onset of disease. Prevention or protection against disease. An attempt to prevent disease. A preventive treatment. Steps taken to prevent (or to reduce the incidence or the severity of) disease—for example, by artifical immunization. Any measure or action taken to prevent disease. Treatment or other action intended to…

The sensation of pain at an area remote from the site of origin.  

An uncommon clinical entity that represents a persistent decrease in sinus volume resulting from centripetal retraction of the maxillary sinus walls.