Acrylic Resin Crowns Prefabricated forms are ready for use as temporary crowns, and made of polycarbonates or cellulose acetate – for anterior teeth. They should be always modified by a process of relining (rebasing) with materials of the same chemical composition, and further contouring and shaping. Temporary forms made of aluminium, silver-tin alloy or nickel-chrome… Continue reading Acrylic Resin Crowns Part 4
Acrylic Resin Crowns Aesthetic Requirements: 1. The temporary crown should be easily shaped, contoured. 2. To demonstrate stability of colour, and its matching to the colour and translucency of the adjacent natural teeth. The perfect temporary restoration should meet all these biologic, mechanical and esthetic requirements. Although the ideal dental material for temporary crowns and… Continue reading Acrylic Resin Crowns Part 3
Acrylic Resin Crowns The importance of maintaining occlusion: Inadequate occlusal contacts allow overeruption. This is (vertical movement). Missing proximal contacts can cause migration – horizontal movement – of the abutment under the influence of mastication forces. This migration can make the adjustment of the final restoration quite difficult. Orthodontic movement is sometimes indicated to shift… Continue reading Acrylic Resin Crowns Part 2
During central closure in the normal dentition the lingual cusps of the maxillary posterior teeth and the buccal cusps of the mandibular posterior teeth make contact with the occlusal fossa or the marginal ridges of the opposing teeth.
Dominic Thorncroft went through a patient’s treatment that he had examined in the previous week. This 13 year old patient in the mixed dentition phase presented with a 6 monthly check up and had no issues since last time. The patient’s personal details and medical history were checked. A dental history was taken which revealed that the patient had been tooth brushing just once a day.
Pulpal protection and also Protects the finishing line of crown margins. It maintains occlusion and the Aesthetics. Ensures Against breaking of the crown prep.