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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
green leaves make food for plantsheat some alcohol in a jar over boiling water unless it boils break various green leaves from a geranium or other
the structure of leavesborrow a microscope from another school a doctor or a hospital study the under- side of leaves and locate the breathing pores
leaves give off water vapouruse two same pots of soil one with a small plant and the other without cover the soil in every pot with cardboard as
growing leaves in the classrooma sweet potato will make dense foliage in the classroom if it is placed in water set the potato root end down in a
studying leaf arrangementsobserve as many growing plants as possible by looking down on them from above draw sketches of the dissimilar patterns of
carbon paper leaf printscover the vein side of a leaf with a very thin layer of lard or vaseline place the greased leaf vein side up on various
define interferons - humoral mechanismsinterferons are soluble proteins secreted naturally when cells become infected by foreign bodies infected
ink prints of leavesplace a small quantity of printers ink on a sheet of glass or a tile roll the ink into a thin yet layer with a rubber roller
making smoke prints of leavessmoke prints of leaves may be simply made by following the four steps shown in the diagrams cover the side of a smooth
making leaf collectionscollect young leaves of as many varieties of plants as possible place various layers of news- paper or blotting paper on a