aÂ·pexÂ·iÂ·fiÂ·caÂ·tion. Induced tooth root development or closure of the root apex by hard tissue deposition. apexification. a process of promoting apical closure of the root in an endodontically treated tooth by placement of calcium hydroxide paste or other tissue-tolerant material in the root canal after an apicoectomy.
Supernumerary is an adjective which means exceeding the usual number. When used as a noun, supernumerary means a temporary employee, additional society member, or extra manpower, usually in a function which has a temporary contract. In aeronautical context, a flight deck may contain a supernumerary seat. 2  This is a place for someone who doesn't have anything to do with the take off, flying, or landing of the aircraft. 3  Just a place for an extra body to observe.
Staff nurses' perceptions of supernumerary status compared with rostered service for Diploma in Nursing students. Hyde A(1), Brady D. Author information: (1)School of Nursing and Midwifery, University College Dublin, National University of Ireland, Dublin, Ireland.ata suggested that the rostered status of students was generally favoured by staff nurses over and above supernumerary status because, unlike supernumerary students, rostered students did not disrupt the existing social structure within the clinical setting.