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explain techniques for broken instrument removal described by gary carrstaging platform cutting in flat surfacea create straight line access to
define meitrac system instrument removal systema trephining bur to remove dentine and uncover the coronal end of the fileb extractor of appropriate
explain microtube and hedstorm file removal technique a hedstorm file was then passed down the length of the tube until it engaged itself tightly
explain the torsional failure - root canal testa occurs when the tip of the rotating instrument blinds locked in the canal while the motor continues
define mechanism of rotary instrument fracture - cyclic fatigueoccurs unexpectedly and without any visible signs of plastic deformation o an
define broken instrument removal procedures file or reamer gates-glidden peso drills lentulo spiral paste fillers thermomechanical gutta-percha
explain the canal obstructionfile work shorter than the normal apical and feel a great resistance to reach true lengtha a retained instrument o canal
explain micropener - non-surgical endodontic retreatment they are iso-colour coded flexible stst hand instruments it has
define techniques for detection hidden root canals three well-angulated periapical films for 3d morphology o with the cone directed straight on o
explain non-surgical endodontic retreatment - missed canal missed root canal as it hold pulp tissues and bacteria is major cause of endodontic
define the causes of failures of root canal treatment1 errors in diagnosis and treatment planning2 coronal leakage inadequate restorative
chemical properties of fatty acidsesterificationlike any other organic acid fatty acids also form esters with various alcohols an alcohol
method for radiographic evaluation of the outcome or rctoslashrstavik and associates suggest the use of the periapical index pai for radiographic
explain eicosanoidseicosanoids are the local hormones formed by body tissues during self-healing responses to stimuli
define the clinical success for the root canal treatmenta absence of pain and swellingb disappearance of sinus tractc no evidence of soft tissue
determine cut-off points to judge on failures - root canal treatmenta persistent of signs andor symptomb if in one year there is no decrease
phospholipids exhibit important biological functions they area increase the rate of fatty acid oxidationb act as inorganic ion
define the healing process - root canal treatmentthe course of healing varies and depends on1 initial size of the lesion it takes longer for
explain dental care delivery systemin the dental care delivery system there are patients insurance payers and dentistsfor patientssuccess function
unsaturated fatty acids show different types of isomerisms we have already learnt about theconcept of isomerism in the last unit
unsaturated fatty acidsunsaturated fatty acids are liquid at room temperature and are characterized by having one
saturated fatty acidsgeneral formula of saturated fatty acids is ch3 chi cooh it has a polar end with a free xooh group and a non-polar
define traditional cycle of root canal treatmentthe traditional cycle of root canal treatmenta dig in the tooth to make a big holeb then look through
simple sugars are monosaccharides consisting of a single polyhydroxy aldehyde or ketone unit their general formula is ch20n n3 to
phytoestrogens-a group of compounds considered to offer protection against