An evaluation of techniques for finishing margins of gold inlays. 1976

J C Metzler, and H H Chandler

The following conclusions on finishing margins of gold inlays were reached: 1. Instruments should be rotated perpendicular to the margin from gold to enamel. 2. Green stones produce rough surfaces that are not easily smoothed by finer instruments. 3. Hand burnishers and rubber points are not effective in producing gross marginal closure. 4. The best instruments for finishing occlusal margins are round steel burs, finishing burs, or white finishing stones. 5. When finishing occlusal margins, it is important to use an instrument small enough to gain access to the depth of grooves and fissures. 6. Proximal preparations made with a secondary flare yield castings with better "as cast" and finished margins than those preparations made with a butt joint. 7. The best instruments for finishing proximal margins are flexible paper discs. Usually, one fine sand or fine cuttle discs are necessary. 8. There is an indication that castings made from slightly overwaxed patterns can be finished to produce better margins than those made from patterns waxed exactly to the margins.

UI MeSH Term Description Entries
D007284 Inlays Restorations of metal, porcelain, or plastic made to fit a cavity preparation, then cemented into the tooth. Onlays are restorations which fit into cavity preparations and overlay the occlusal surface of a tooth or teeth. Onlays are retained by frictional or mechanical factors. Dental Inlays,Dental Onlays,Onlays,Dental Inlay,Dental Onlay,Inlay, Dental,Inlays, Dental,Onlay, Dental,Onlays, Dental,Inlay,Onlay
D003743 Dental Enamel A hard thin translucent layer of calcified substance which envelops and protects the dentin of the crown of the tooth. It is the hardest substance in the body and is almost entirely composed of calcium salts. Under the microscope, it is composed of thin rods (enamel prisms) held together by cementing substance, and surrounded by an enamel sheath. (From Jablonski, Dictionary of Dentistry, 1992, p286) Enamel,Enamel Cuticle,Dental Enamels,Enamel, Dental,Enamels, Dental,Cuticle, Enamel,Cuticles, Enamel,Enamel Cuticles,Enamels
D003762 Dental Instruments Hand-held tools or implements especially used by dental professionals for the performance of clinical tasks. Instrument, Dental,Dental Instrument,Instruments, Dental
D006047 Gold Alloys Alloys that contain a high percentage of gold. They are used in restorative or prosthetic dentistry. Gold Alloy,Alloy, Gold,Alloys, Gold
D013499 Surface Properties Characteristics or attributes of the outer boundaries of objects, including molecules. Properties, Surface,Property, Surface,Surface Property

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