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remove the crown for reuse - if the decision is made to remove the crown for reuse - the visibility is increased - allowing for much easier removal
coronal disassembly- if the existing restoration with marginal defect -the crown was sectioned through the bucco-occlusaly christensen crown remover
access burs through the crown carbide fissure burs cut through metal amalgam alloy or cast metal or composite resin porcelain
access through the crownadvantages -allow for better isolation with the rubber dam -better esthetic anf functioning-good coronal seal between visits
coronal disassembly-if the existing restoration functionally designed well fitting and esthetically pleasing -the access the pulp chamber during
nonsurgical retreatment secondary endodontic ttt -is the main difference between primary endodontic disease versus post treatment disease is the need
extraction of the tooth -in nonstrategic importance-diseased maxillary second molars with no opposing tooth or with an opposing tooth in class l or
if the condition or the post disease as a result of intraradicular infection----gt treated conventionally via apex non-surgical ----gthere we have 2
nonsurgical retreatment will be the preferred choice -less invasive not cause problem to the pt-less traumatic postoperative most probably no post
once the decision has been made to retain the tooth there are two ways for tttbull non surgical retreatment
etiology-although this approach less desirable it is useful short-term option if the etiology of the condition remains unknown- the patient must
tooth associated with persistent apical periodontitisfunctional retention of the tooth persistent lesion while remain asymptomatic function for an
extraradicular infectionswhatever the cause of post endodontic disease we should do proper diagnosis to determine what is the cause is it intra or
pocket psedocyst lesions present as endodontic origins from canals it makes lumens resemble granuloma all lesions lined until root canal or apical
true cyst cyst that is completely lined by epithelial tissuesall the lesions are far away without communication with endodontic access or endodontic
what is the difference between extra and intraradicularextraradicular means there is lesions came from periodontal or from the adjacent tissue and
what is the reason of post endodontic disease either there is persistent or reintroduce intracanal microorganisms that means if i do improper
what are the causes of endodontic painlesions in retreatment cases called post endodontic diseasesreasons of endo retreatment reasons of failure-
endodontic success - according to strindberg 1956 the endodontic success is the postoperative clinical as well as radiographic satisfaction after a
endodontics principles and practiceaccording to american association of endodontic retreatment defined asa procedure to remove root canal filling
explain the peripheral resistanceresistance offered by arterioles or resistance vessels as you have read above is termed as peripheral resistance
studying the main parts of a flowerstudy specimens of large easy flowers such as tulips or lilies count the stamens and observe how they are arranged
air can enter a plant through the leafprocure a leaf with a long stalk to it and seal it into a hole through a cork fit this with a side tube and
working of specific acquired immunityprimary lymphoid organs as you already know are thymus and bone marrow secondary organs are lymph nodes spleen