Additionally, there are two diseases of bone that have a profoundeffect on cementum: 1) hypophosphatasia produces a severe rickets-likedefect of the entire skeleton and cementum is deficient or absent, and 2)Paget disease of the jaws often causes hypercementosis of the teeth.
noun. The definition of an intervention is something that comes between two things or something that changes the course of something.
Intervention includes both physical procedures by which data are gathered and manipulations of the subject or the subjectâs environment that are performed for research purposes. Interaction includes communication or interpersonal contact between investigator and subject.