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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
mechanical requirements of implant materialsdental implants must be able to sustain and transfer loads -it should have adequate mechanical strength
biologically compatibility od implant materialsan ideal implant material will elicit mainly physiological reactions within the surrounding tissues
explain about bioactive materialsbioactive materials certain glasses ceramics and glass-ceramics that contain oxides of silicon sodium calcium and
state bioinert materialsbioinert materials are chemically inert in the body and exhibit minimal chemical interaction with adjacent tissue such as
what are the biotolerant materialsbiotolerant materials are characterized by a thin fibrous tissue interface the fibrous tissue layer develops as a
bioactiveceramics- hydroxyapatite tricalcium phosphatetetracalcium phosphatecalcium pyrophosphatefluorapatitebrushite
bioinertmetals- commercially pure titanium titanium alloysceramics- aluminum oxide zirconium
biotolerantmetals - co- cr alloys stainless steel gold niobium tantalumpolymers- polyethylene polytetrafluorethylene polyamide
what is biomaterialbiomaterial is defined in the broader sense as any pharmacologically inert material that is capable of interacting with a living
explain the classes of biomaterialswhen an artificial material is placed in the human body tissue reacts in a variety of ways depending on the
q illustrate the tyndallisationjohn tyndall devised a process of sterilisation by steaming for a few minutes at 100o c on 3-4 successive operations
most dental offices have a designated area for instrument reprocessing that is separate from the dental treatment room this is ideal since cleaning
define the sterilization protocolsterilization protocol encompasses the following1 transport of instruments to the sterilization area2 cleaning of
q rationale for infection controlthe answer lies in the fact that many infectious diseases may be transmitted during dental care source of potential
q what are the terms used in sterilizationsterilization it is defined as freeing the object or substance from all life of any kindit is defined
q modern infection control recommendationsconcern about transmission of disease has been expressed for thousand of years written guidelines for
q describe infection control sterilization protocoltoday is the age of modern technology coupled with medical challenges pervasive increase in