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isomerasesthese enzymes code ec 5 catalyze geometric or structural changes within a molecule according to the
explain lyasesthese enzymes code ec 4 cleave c-c c-o c-n and other bonds by elimination forming double bonds or conversely adding groups
hydrolyases these enzymes code ec 3 catalyze the hydrolytic cleavage of c-o c-n c-c and some other bonds including phosphoric anhydride bonds
enzyme proteins that act as catalysts speeding the rate at which biochemical reactions proceed but not altering the direction
explain unresorbable barriers - root perforation mta exhabits excellent tissue biocompatible non resorbable barrier and restorative material it
explain the resorbable barriers - root perforation it is successfully control internal bleeding through cronal access it is intended to forced in
define the materials used in perforation repair1- barrier material restorable barrier un restorable barrier 2- function of barriers provide
explain the failure to management of ledgeapical transportation or perforation movement of the physiological foramen to a new iatrogenic
explain the management of middle - third perforation same to coronal one-third perforation except defects located more deeper from the access cavity
explain the management of furcal perforation 1st isolate the perforation site if the perforation is mechanical accidentally occurred a- it is
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