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Later publications show a reduction in luting agent bond strengths to dentine when eugenol containing provisional cements are used. Nevertheless, contamination of dentine which interference with adhesion of definitive luting agent is inevitable when a provisional cement is used regardless of whether the cement contains eugenol or not. [7]
The use of the luting version of compomer is not recommended for all-ceramic crowns, nor as a core or filling material. See 'Water uptake' in Properties section above for more details. [1] [2] Compomer luting cement can however be used for cast alloy and ceramic-metal restorations. [2]
Resin cements are not cements in a narrow sense, but rather polymer based composite materials. ISO 4049: 2019 [4] classifies these polymer-based luting materials according to curing mode as class 1 (self-cured), class 2 (light-cured), or class 3 (dual-cured). Most of the commercially available products are class 3 materials, combining chemical ...
A glass ionomer cement (GIC) is a dental restorative material used in dentistry as a filling material and luting cement, [1] including for orthodontic bracket attachment. [2] Glass-ionomer cements are based on the reaction of silicate glass-powder (calciumaluminofluorosilicate glass [3]) and polyacrylic acid, an ionomer.
If the exposed dentine is within 0.5mm of the pulp, clinically a pink appearance can be seen. This shows close proximity to the pulp. In this case, calcium hydroxide is used to place at the base and then covered with a material such as ionomer. [1] Fractured tooth. Enamel-dentin fractures are classified broadly under uncomplicated crown fractures.
A dentine conditioning agent is used initially, to remove the smear layer resulting from the preparation of a cavity and, to alter the dentine surface by partially demineralising the intertubulary dentine. This partially demineralised dentine acts as a hollow scaffolding which can be perfused with the primer.