Notes in DOH244 - Restorative Dentistry::GI MATERIALS

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Published	04/26/2024	Page 08What should be done if the cement is exposed to air for more than 5 minutes during the susceptible period?
Published	04/26/2024	Page 08What is the benefit of light initiation in resin-modified glass ionomers?
Published	04/26/2024	Page 08What percentage of HEMA is added to resin-modified glass ionomers?
Published	04/26/2024	Page 08What is the disadvantage of glass ionomers in terms of water interaction?
Published	04/26/2024	Page 08What can be done to the material after adequate light exposure?
Published	04/26/2024	Page 08Why is it logical to seal the surface of a newly placed restoration with a low-viscosity coating agent?
Published	04/26/2024	Page 08What is the purpose of conditioning the tooth surface before placing glass ionomer?
Published	04/26/2024	Page 08What chemical is used for conditioning the tooth surface?
Published	04/26/2024	Page 08How does PAA not interfere with the reaction of GIC?
Published	04/26/2024	Page 08What are the benefits of using PAA on the tooth surface?
Published	04/26/2024	Page 08What is an alternative to removing the smear layer?
Published	04/26/2024	Page 09What needs to be considered when using GI as a luting agent?
Published	04/26/2024	Page 09What can happen if the GI cement has excess liquid?
Published	04/26/2024	Page 09What is the recommended routine for placing any glass ionomer material?
Published	04/26/2024	Page 09When is the best time to perform final finishing of GI restorations for optimum results?
Published	04/26/2024	Page 09What are the characteristics achieved by delayed finishing of GI?
Published	04/26/2024	Page 09What is the main pathogen found on dental plaque?
Published	04/26/2024	Page 09What chemical is it thought that S. Mutans cannot thrive in?
Published	04/26/2024	Page 09How does glass ionomer affect bacterial plaque and soft tissues?
Published	04/26/2024	Page 09What aspect of the tooth acts as a buffer?
Published	04/26/2024	Page 09What pH does GI have and how is it considered?
Published	04/26/2024	Page 09What happens to the pH of the glass ionomer material?
Published	04/26/2024	Page 09What are the possible factors for countering any pulpal irritation from GI?
Published	04/26/2024	Page 10What is the pulpal response to glass ionomer materials?
Published	04/26/2024	Page 10What is the pH range of freshly mixed glass ionomer material?
Published	04/26/2024	Page 10Is dentine an effective buffer against the acidity of glass ionomer materials?
Published	04/26/2024	Page 10How long does it take for the pH to rise and inflammation to resolve after glass ionomer placement?
Published	04/26/2024	Page 10Is it necessary to place a sublining under a glass ionomer restoration?
Published	04/26/2024	Page 10Can glass ionomer be used to cover and protect a mechanical or traumatic exposure of the pulp?
Published	04/26/2024	Page 10What causes continuing pulpal inflammation according to current literature?
Published	04/26/2024	Page 10Can glass ionomer cause post-insertion sensitivity when used as a luting agent?
Published	04/26/2024	Page 10What should be done to ensure seal of dentinal tubules?
Published	04/26/2024	Page 10How does the solubility of glass ionomer compare to other cements in an organic acid solution?
Published	04/26/2024	Page 10What can damage the surface of glass ionomer?
Published	04/26/2024	Page 10Why should caution be exercised when using certain topical fluoride solutions near glass ionomers?
Published	04/26/2024	Page 10How do resin-modified glass ionomers compare to autocure glass ionomers in terms of solubility and disintegration?
Published	04/26/2024	Page 11What is the clinical significance of fluoride release from glass ionomer materials?
Published	04/26/2024	Page 11How is fluoride released into the tooth and how does it contribute to remineralization?
Published	04/26/2024	Page 11What is the duration of fluoride release from glass ionomer restorations?
Published	04/26/2024	Page 11Why can glass ionomer materials be considered as a fluoride reservoir?
Published	04/26/2024	Page 11What minimum fluoride concentration in saliva is suggested to be effective in initiating remineralization?
Published	04/26/2024	Page 11What recent changes have been made in advertising glass ionomers?
Published	04/26/2024	Page 11What is the new focus in the development of glass ionomer products?
Published	04/26/2024	Page 11How do new glass ionomer products with 'highly reactive' small particles affect fluoride release?
Published	04/26/2024	Page 11What concern is addressed by the shift in promotional focus from fluoride release to acid resistance in glass ionomers?
Published	04/26/2024	Page 12What is the volumetric setting contraction for a correctly manipulated and protected glass ionomer material?
Published	04/26/2024	Page 12How is shrinkage controlled in the presence of adhesion for glass ionomer materials?
Published	04/26/2024	Page 12How can protection be provided for slower setting cements to minimize early water exposure effects?
Published	04/26/2024	Page 12What is the initial shrinkage percentage for the resin component in RMGI during light activation?
Published	04/26/2024	Page 12What is the physical limitation of traditional glass ionomer cements (GIC)?
Published	04/26/2024	Page 12In which clinical situations should the use of GIC be avoided?
Published	04/26/2024	Page 12How do resin-modified glass ionomers (RMGI) compare to traditional GICs in terms of fracture resistance?
Published	04/26/2024	Page 12What is the modulus of elasticity, and what does it indicate for glass ionomers?
Published	04/26/2024	Page 12Should GI materials be placed in situations where they will be subjected to direct loading?
Published	04/26/2024	Page 12How is abrasion resistance improved in glass ionomer materials?
Published	04/26/2024	Page 12What are the negative effects of surface abrasion on glass ionomer materials?
Published	04/26/2024	Page 13When compared to composite resins, how do glass ionomers initially fare in terms of abrasion resistance?
Published	04/26/2024	Page 13How does the abrasion resistance of glass ionomers change over time?
Published	04/26/2024	Page 13What happens to glass ionomers when they are abraded?
Published	04/26/2024	Page 13What can lead to problems in aesthetics for GIC and RMGI materials?
Published	04/26/2024	Page 13When should final contouring of GICs be undertaken?
Published	04/26/2024	Page 13What is the immediate effect on translucency after light activation of RMGIs?
Published	04/26/2024	Page 13When is the optimal time to contour and smooth RMGIs?
Published	04/26/2024	Page 13How do most glass ionomers compare to dentine in terms of radiopacity?
Published	04/26/2024	Page 13Do any glass ionomers exceed the radiopacity of enamel?
Published	04/26/2024	Page 03Why is there residual HEMA content present in the set cement and how can it be reduced?
Published	04/26/2024	Page 03What is the acid-base reaction in the setting of glass ionomer cements?
Published	04/26/2024	Page 04What is the essential setting mechanism of glass ionomer cement?
Published	04/26/2024	Page 04What ions are released by proton attack on the surface of the glass particles in GIC?
Published	04/26/2024	Page 04What are the three stages of GIC setting?
Published	04/26/2024	Page 04What happens during Stage 1 of GIC setting?
Published	04/26/2024	Page 04What occurs during Stage 2 of GIC setting?
Published	04/26/2024	Page 04What is the significance of Stage 3 in GIC setting?
Published	04/26/2024	Page 04Which material factors can affect the rate of setting of GIC?
Published	04/26/2024	Page 04What operator-controlled factors can impact the rate of GIC setting?
Published	04/26/2024	Page 04What reactions occur during the setting of RMGI?
Published	04/26/2024	Page 04What is the role of tartaric acid concentration in the setting of GIC?
Published	04/26/2024	Page 05What are the two separate matrices formed in the setting reaction of glass ionomer?
Published	04/26/2024	Page 05What may cause the complete inhibition of the acid-base reaction in glass ionomer setting?
Published	04/26/2024	Page 05How does multiple cross-linking affect the setting of glass ionomer?
Published	04/26/2024	Page 05What are the possible reactions for cross-linking of polymer chains in glass ionomer?
Published	04/26/2024	Page 05What is the role of camphorquinone in glass ionomer setting?
Published	04/26/2024	Page 05What happens to glass ionomer after mixing, placement, and application of activator light?
Published	04/26/2024	Page 05When are full physical properties achieved in light-cured glass ionomer?
Published	04/26/2024	Page 05How does increasing the powder content in the powder:liquid ratio affect glass ionomer?
Published	04/26/2024	Page 05What is the structure of set glass ionomer?
Published	04/26/2024	Page 05Why is glass ionomer regarded as a water-based cement?
Published	04/26/2024	Page 05What can happen to glass ionomer cement if exposed to air shortly after mixing?
Published	04/26/2024	Page 05How can the problems associated with dehydration of glass ionomer cement be minimized?
Published	04/26/2024	Page 06What are the presumed characteristics of the matrix in resin-modified materials?
Published	04/26/2024	Page 06What inhibits water exchange in the early stage of resin-modified materials?
Published	04/26/2024	Page 06What are Equia Forte and Ketac Universal according to Dr Gordon Christensen?
Published	04/26/2024	Page 06What is the setting time for Equia Forte and Ketac Universal?
Published	04/26/2024	Page 06Why does Dr Gordon Christensen recommend the use of GICs over RMGIs?
Published	04/26/2024	Page 06What are the two forms of dispensing for glass ionomer materials?
Published	04/26/2024	Page 06What are the advantages of using capsules for dispensing glass ionomer materials?
Published	04/26/2024	Page 06What should be the principal objective when hand mixing glass ionomer materials?
Published	04/26/2024	Page 06What is the correct technique for hand mixing glass ionomer materials?
Published	04/26/2024	Page 06How does the powder content affect the physical properties of hand-mixed glass ionomer materials?
Published	04/26/2024	Page 06What reaction occurs during RMGI?
Published	04/26/2024	Page 06What will the activator light result for a RMGI?
Published	04/26/2024	Page 07What is the most significant factor in ensuring long-term success of glass ionomer materials?
Published	04/26/2024	Page 07When is the suspectibility to water uptake and loss?
Published	04/26/2024	Page 07When is the cement most susceptible to moisture contamination?
Published	04/26/2024	Page 07What are the consequences of early water contamination in slow-set autocure cements?
Published	04/26/2024	Page 07What happens if the glass ionomer material becomes dehydrated?
Published	04/26/2024	Page 07Why is it important to seal restorations immediately after they have achieved their initial set?
Published	04/26/2024	Page 07What is used to seal restorations to ensure water stability?
Published	04/26/2024	Page 07What are the unique aspects of Fast-Set GIC?
Published	04/26/2024	Page 07When should contouring for GIC occur?
Published	04/26/2024	Page 08What is the limitations of Fast-Set GIC?
Published	04/26/2024	Page 08How long do these materials remain susceptible to water loss and cracking after placement?
Published	04/26/2024	Page 01What is GI in the context of dental materials?
Published	04/26/2024	Page 01What are the two types of glass ionomers?
Published	04/26/2024	Page 01What is GIC?
Published	04/26/2024	Page 01What is RMGI?
Published	04/26/2024	Page 01What is the setting mechanism in RMGI?
Published	04/26/2024	Page 01What does GIC material contain?
Published	04/26/2024	Page 01What can happen to GI in its early setting stages if it takes up extra water?
Published	04/26/2024	Page 01How can the loss of water be minimized during the setting process of GIC?
Published	04/26/2024	Page 01What is the result once GIC material sets?
Published	04/26/2024	Page 01What is the light activation mechanism used in RMGI?
Published	04/26/2024	Page 01What happens in the first stage of the setting reaction in RMGI?
Published	04/26/2024	Page 01What ensures the total restoration is cured throughout in RMGI?
Published	04/26/2024	Page 01How are GI supplied?
Published	04/26/2024	Page 02What liquid is present during the setting reaction of glass ionomer cement?
Published	04/26/2024	Page 02What is the typical composition of the calcium fluoroaluminosilicate glass powder in glass ionomer cements?
Published	04/26/2024	Page 02How is glass powder for glass ionomer cements developed?
Published	04/26/2024	Page 02What are finer particles of glass ionomer powder used for?
Published	04/26/2024	Page 02What are coarser particles of glass ionomer powder used for?
Published	04/26/2024	Page 02How does the range and particle size distribution of glass ionomer powder affect the material?
Published	04/26/2024	Page 02What developments have been made to improve the radiopacity of glass ionomer cements?
Published	04/26/2024	Page 02What controls the reactivity of glass ionomer cements?
Published	04/26/2024	Page 02What materials are used to gain radiopacity in glass ionomer cements?
Published	04/26/2024	Page 02What are the benefits of fluoride content in glass ionomer cements?
Published	04/26/2024	Page 02How does fluoride content impact the translucency of glass ionomer cements?
Published	04/26/2024	Page 02What are the limitations of resin-modified glass ionomer powder?
Published	04/26/2024	Page 03What does the poly(alkenoic acid) liquid contain?
Published	04/26/2024	Page 03What are the benefits of using copolymers in glass ionomer liquids?
Published	04/26/2024	Page 03What is the purpose of adding tartaric acid to the poly(alkenoic acid) liquid?
Published	04/26/2024	Page 03What percentage of tartaric acid is added to the liquid?
Published	04/26/2024	Page 03What does the liquid for resin-modified systems (RMGI) contain?
Published	04/26/2024	Page 03Where does HEMA travel too and why?
Published	04/26/2024	Page 03What happens after the initial light exposure in resin-modified glass ionomer cements?
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