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Wednesday 22 January 2014

Prosthodontic References

References Bite registration: Warren and Capp 1990 ideal properties, ? Low initial viscosity ? Set rigidly ? Quick position measure ? Be dimensionally stable ? Resistant to distortion ? unswayed by disinfection procedures Egasu et al 2008 no impression disinfection technique atomic tally 6% effective. Benzoalkium chloride and gluteraldehyde more effective Ockert-Eriksson et al (2000) - Polymeric materials or so accurate Eriksson et al (2002) no interocclusal record is most duplicatable in dentate Davies and Gray (2001) CR record at increased OVD to avoid involuntary mandibular deviation with turn over Utz et al (2002) reproducibility of CR records unachievable disdain system used, but variations probably clinically insignificant Lucia (1964) jig bind: Buonocore et al (1955) Nakabayashi (1982) Weak or strong acid engrave Primer HEMA, or 4-META stabilises collagen and allows penetration of resin Resin bisGMA or UDMA Long term problems senseless etching, decalcified dentin beneath resin, and collagen may degrade over abundant term, too dry collagen collapses. Sugizaki (1991) showed etching, swear out and drying caused dentin to collapse delinquent to loss of supporting hydroxyapatite Kanca (1992) wicked fond regarding systems DBA classification 1- 3 feeling (conventional) systems 2- 2 step a) separate etch, then gear up and bond b) etch and prime, then bond, so called self etch primers 3- admirer bottle or all in one systems Hume (1994) dentine excellent buffer for self etching systems Micromechanical bonding of resins or so collagen fibres exposed by demineralisation of intertubular dentine GIC invented Wilson (1972) Mitra (1991) added piddle soluble resins GIC setting 1- acid attacks glass particles 2- surface debasement of the glass and grow of metal ions, fluoride a nd silicic acid 3- metal ions play ! off with carboxyl groups of acids...If you want to stool a full essay, point it on our website: OrderCustomPaper.com

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