Conservative Custom Fabricated Inlay and Onlay Fillings
Inlays and onlays are commonly fabricated from ceramic materials and are a more organic looking fixture than silver amalgams. Their organic look makes them virtually impossible to differentiate from existing teeth and are strong enough to be used in nearly all cavities.
They are created through the use of a duplicate or your own teeth, but not like amalgams which necessitate the removal of healthy parts of a tooth, Inlays/Onlays need only the damaged parts of a tooth to be extracted. Therapies will cover a few dental appointments to finish, but when completed, the restorations should be able to last for more than a decade.
Amalgams contain small quantities of silver and are usually called silver fillings. They possess a mixture of alloyed metals that are bonded (amalgamated) together. Conventional silver amalgam fillings were originally mixed with mercury; nonetheless, most of the newest amalgam materials do not have any mercury.
Amalgams are often preferred on posterior fillings as they are more resilient and capable of withstanding heavier forces. 170 pounds per square inch is about the average biting force produced from the posterior jaw. The amalgam fillings begin as easily workable and soft material that may be molded into pockets, then they quickly harden to establish a very strong tooth fixture able to endure the stresses caused from chewing and biting. Specific dental fastening systems allow for a bond between the amalgam and the tooth, which is able to limit recurring corrosion and seepage from forming beneath the fixture.
Metals being used in amalgam fillings are very good thermal conductors able to promptly channel both hot and cold right through the tooth to help protect the inner portion or pulp from unexpected variations in temperature.
Synthetic resin fixtures have an organic and natural, tooth-like appearance that is aesthetically pleasing. These fixtures are predominantly applied on anterior teeth, although many clients now favor to have synthetic resin fillings inserted on posterior teeth.
Composite resins are made up of a mixture of acrylic and plastic materials such as a polymer matrix, silicon dioxide, quartz, glass ceramics and lithium aluminum silicate. Polymerization is a process by which the resin materials change from a plastic into a solidified restoration. These polymers are able to bond directly to the tooth’s structure reducing the potentiality of leakages.
The duration of time required to complete a composite resin restoration will uniquely depend on the sizes of the restorations. Some tooth fixtures will simply involve one surface and may take as little as 10 to 15 minutes. Treatments involving various surfaces of a tooth may call for more time.
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