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wound healing and formation of woven bone stage 1 wound healing and formation of woven bone callus 2 to 6 weeksthe ability of the body to respond to
determine the stages of healing eventsthe healing events are described in 3 stagesstage 1 wound healing and formation of woven bone callus 2 to 6
healing events around implantshealing of an implant is compared with the processes in normal bone healing or bone regeneration and with stable
physiologic adaptationmodeling is a surface specific activity apposition or resorption that produces a net change in the size andor shape of the bone
osseointegration vs biointegrationin 1985 deputter observed that there are two ways of implant anchorage or retention mechanical and bioactive
weisss theory of fibroosseous fixationweiss theory stated that there is a fibro-osseous ligament formed between the implant and the bone and this
branemarks theory of osseointegrationin 1952 swedish orthopedic surgeon branemark conducted microscopic studies done in situ of the bone marrow in
fibro-osseous retention vs osseointegrationfibro-osseous retention is the tissue to implant contact interposition of the healthy dense collagenous
determine the function of osseointegration osseointegration is also a measure of implant stability which occurs at two stages- primary and secondary
explain about osseointegrationosseointegration is regarded as the process of direct bone apposition on implant surfaces where the bone in contact
carbon based materialsthese include pyrolytic carbon polycrystalline vitreous carbon and carbonsilicon interstitial combinationvitreous carbon -solid
explain in brief about polymersin comparison to metals and ceramics polymers are weak and flexible these are not popular as dental implant materials
what is ceramicsa kind of material that is bone like based on the specific ratios of calcium and phosphorous in particular crystalline structures
explain biomaterial implantationwhen a biomaterial is introduced into the host in addition to a host response there is also a material response
name the corrosion resistant metalsmost of the corrosion resistant metals or alloys used for implants have a layer of oxides on their surface the
illustrate briefly about titanium it is generally accepted that pure titanium has little cytotoxicity and it is suggested that the plaque induced
name the alloys which are commonly usedthe most commonly used alloys are ti-6al-4v and ti-6al-4v extra low interstitial eli commercially pure
explain about extra low interstitialextra low interstitial eli contains low levels of oxygen dissolved in interstitial sites in the metal lower
what are the properties of titaniumtitanium has several favourable properties like low specific gravity with a density of 45 gmcm3 high heat
titanium and its alloys - alloplastic implant materialsthese have been used primarily for their corrosion resistance and biocompatibility titanium
tantalum and niobium in alloplastic implant materials tantalum has been used successfully in needle type screw- type and double-bladed implants
metals and alloys in alloplastic implant materialsmost of the dental implant systems are made of metals or their alloys currently commercially pure
categories of alloplastic implant materialsthe entire groups of possible alloplastic implant materials regardless of their clinical applications fall
functionality of implant materialit should take maximum advantage of available bone and permit the maximum amount of forces to be transmitted through
what are the chemical requirements of implant materialsit must withstand corrosion by body fluidsit should not have any direct or indirect negative