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explain what is periodontal condition if intact attachment apperatus without pocket time is critical direction toward non-surgical repair to prevent
define factors affect management and prognosis of root perforation time location of defect in relation of crestal bone level of perforation size
explain diagnosis of root perforation1- exploration continuous bleeding if the defect touched during cleaning and shaping lead to difficult vision
biotin vitamin hit was revealed that egg yolk could prevent dermatitis and emaciation in rats that were kept on raw egg white a
explain zipping of the apical canala if the preparation is continued with progressively larger and stiffer file lead to zipping perforation or tear
define mid root latral perforationperforation through latral wall of the root canal during cleaning and shaping or during post space
properties of pyridoxinea it forms white odourless crystalsb the compound is readily soluble in waterc when a neutral or
define stripping perforation - types of root perforation it is latral perforation caused by over instrumentation through a thin wall of the root
explain the frank furcal perforationa coronal perforation at the pulpal floor of multirooted toothb due to excessive deepening at the pulpal floor
access cavity perforation - types of root perforation can occur during access cavity perforation specially in anterior due to misdirection of bur
define types of root canal perforations according to locationaccording to location level in relation to crestal bone coronal perforation
define types of root canal perforations according to sizeaccording to size small perforation smaller than 20 endodontic instrument mechanical
define types of root canal perforations according to the time of treatmentaccording to the time of treatment in relation to occurrence fresh
define types of root canal perforations according to causes iatrogenic causes pathological
define the root perforationan endodontic perforation is an artificial opening in the tooth or its root created by clinician during entry to the canal
explain management of ledge - non-surgical endodontic retreatment place a bend of approximately 45 degree in the apical 1-2 mm of a 15 to 25 file by
explain ledge bypass - non-surgical endodontic retreatment ledge bypass - stst not nit cause it has shape memory ledges from outside the
explain the management of apical canal impediment well angulated radiograph coronal pre-flaring pulp champer flooded with sodium hypochlorite
nucleotidescompounds consisting of a nitrogenous base a pentose sugar and a phosphate
nucleosidescompounds formed from a nitrogenousbase and a penstose
management of canal impedimenta impediments are iatrogenic mishaps resulting from vigorous instrument short of theb appropriate working length and
define management of canal blockage canal calcificationdiamond coated instrument rt1 designed for better visibility and cutting efficiencya very
explain canal obstruction - non-surgical endodontic retreatment file work shorter than the normal apical and feel a great resistance
define the techniques of instrument retrieval endo extractor brasseler a hollow tube bonded to coronal tip of separated instrument by cyanoacrylate
explain wire loop and tube method1 use a 25-gauge dental injection needle cut to remove beveled end2 both ends of-mm diameter steel ligature wire