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placement of the implant in an infected socket or a pathologic lesiondental implants may fail due to1 placement of the implant fixture into an
placing the implants in immature grafted sitesone of the most common causes of prosthetically related implant failure is believed to be the too rapid
overheating the bone and exerting too much pressureminimal temperature elevation during surgical drilling of the bone is a key factor in atraumatic
impaired healing and infection because of improper flap designthe oral field in itself is a contaminated area due to the presence of the normal oral
less than ideal primary stabilityfaulty osteotomy a bigger osteotomy than required for the selected diameter of implant can result when excessive
explain the irradiation and its implicationthe issues are the decreased salivary flow liability for infection because of the decreased blood supply
explain the localized aggressive periodontitislocalized aggressive periodontitis it has been in literature that transmission of peridontopathic
what was the oral status of the patientit is imperative that the patient carry out a strict oral hygiene regimen as dental plaque is one of the main
what er the parafunctional habits parafunctional habits like bruxism and clenching create mechanical and biological problems due to overloading and
habits of patients- implantssmoking has been shown to predispose to poor bone quality by reduced vascularity therefore it is prudent not to accept
medical status of the patientconditions like osteoporosis history of radiotherapy use of bisphosphonates which can affect the success of the
a yellow lamp emits light with a wavelength of 600e-7 meters calculate the frequency of the yellow
q show the isolation of important transition metalsinvolved in the extraction of metals describe the extraction of important transition metals of the
explain about parke processparke method for refining lead which is also a concentration process for silver relies upon the selective dissolution of
q explain distillation in purification of metalsmetals with low boiling points such as cadmium zinc and mercury will be purified by distillation the
q show the liquation in purification of metalscrude tin bismuth and lead are purified by liquation in this process the impure metal is placed at the
q show the purification of metalsthe metals obtained by metallurgical processes still have some impurities which persist from the ore or are derived
q application of electrometallurgyin theory aluminium metal would be made the same way but aluminium trichloride is covalent and it does not
q list the parameters used to differentiate between osseointegration and fibro osseointegrationthe parameters used area painb rigid fixation -
q enumerate various factors controlling osseointegrationthe factors controlling osseointegration arei occlusal loadii biocompatibility of the
q define osseointegration from patients microscopic and biomechanical points of viewa from the view of the patientan implant fixture is
what is the host factors of implantsthese factors are very important and it is essential for the clinician to keep these in mind during the diagnosis
classification of the reasons of implant failurein order to understand failures it is vital to know why they occur the reasons are plenty and to
what is surviving implantsit is a term described by albrektsson that applies to implants that are still in function but have not been tested against
explain ailing implantwhich may indicate an increased risk for failure which can be of temporary significance or amenable to treatment and is