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A luting agent is a dental cement connecting the underlying tooth structure to a fixed prosthesis. To lute means to glue two different structures together. There are two major purposes of luting agents in dentistry – to secure a cast restoration in fixed prosthodontics (e.g. for use of retaining of an inlay , crowns , or bridges ), and to ...
Zinc phosphate was the very first dental cement to appear on the dental marketplace and is seen as the “standard” for other dental cements to be compared to. The many uses of this cement include permanent cementation of crowns, orthodontic appliances, intraoral splints, inlays, post systems, and fixed partial dentures.
It is important to note that compomers do not bond to tooth tissue like glass ionomer cements; this is the same issue with dental composites. It is therefore essential to use bonding agents to aid adhesion of the compomer to tooth. [1] [2] [3]
It can be applied as fissure sealant, placed in endodontic access cavity as a temporary filling and a luting agent. It can also be used to restore lesions in both primary and permanent dentition. They are easier to use and are a very popular group of materials. Advantages of using RMGIC: [12] Provides a good bond to enamel and dentine.
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 .
However, fewer reactive resin groups are available to bond to the resin luting cement indicating lower accuracy in fitting compared to the other materials. [33] However, using this indirect laboratory method demands more skill and time, and is more destructive as tooth preparation is needed prior to taking an impression.
Conventionally made a substructure that is a non-perforated and sandblasted non-precious metal that is cemented with a chemically active resin cement. A disadvantage to this type of bridge is the appearance of the abutment tooth which can appear grey due to the decreased translucency. The metal substructure can also be visible and will not suit ...
Polycarboxylate temporary luting cements. This hydrophilic cement has the benefit of minimal effects on temporary resin containing agents and weak adhesion to tooth tissue which increases ease of removal. This cement is the easiest to clean out of all the provisional cement types. [46] Examples include Ultradent and Hy-Bond (Shofu Dental).