Debrief
发表于 2025-3-23 13:10:58
Biological Considerations and Treatment of the Pulp,hin which operative procedures can be conducted. The art is primarily concerned with the treatment of caries or traumatic injuries to the teeth, and with the replacement and maintenance of the dentition.
Incise
发表于 2025-3-23 16:46:12
Temporary Restorations and Lining Materials,al. Roughly speaking there are two main groups of materials, namely those primarily concerned with the restoration of aesthetics and those, the chief object of which is to restore normal contour and function.
analogous
发表于 2025-3-23 18:00:46
Composite Restorative Materials,rative material. Chemists and dental research workers have given considerable thought to the problem of replacing these restorative materials with something more permanent. The criteria for the ideal replacement are as follows; it should
盲信者
发表于 2025-3-23 23:35:20
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Forsake
发表于 2025-3-24 03:55:43
The Fitting of a Gold Restoration,rush, e.g. an old toothbrush. Then it may be placed in an ultrasonic cleaner for about 5 min to ensure complete removal of investment. The oxide layer is removed by boiling in a 50% solution of sulphuric acid in water, after which the inlay is ready for trimming and polishing.
optic-nerve
发表于 2025-3-24 07:39:49
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有罪
发表于 2025-3-24 13:54:41
Amalgam,For many years, until the last decade, only two types of amalgam were available for the restoration of teeth. These were silver and copper amalgam. Now, a new type of high copper amalgam which exhibits superior clinical properties is becoming established and improved and may ultimately replace completely the older amalgams.
Throttle
发表于 2025-3-24 18:02:02
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Agronomy
发表于 2025-3-24 21:22:06
Porcelain,The ingredients of dental porcelain are feldspar, silica (flint or quartz), clay (kaolin) and carbonates, which act as fluxes, plus metallic oxides as pigments (known as colour frits). Other materials, such as potash or soda may be added as modifiers.
byline
发表于 2025-3-25 02:52:56
Cavity Preparation,The objects of cavity preparation and the subsequent restoration of the tooth are the removal of diseased tissue, protection of vital tissue, i.e. the pulp and the contents of the dentinal tubules, and restoration of the form, function and aesthetics of the tooth.