What is Dental Filling?
Where teeth are not properly cleaned, bacteria creates a film called plaque. Plaque produces acid which eats enamel and eventually causes cavity. To stop cavity penetrating interior part of your tooth, dental fillings treatment is performed. Dental Filling treatment restores function and integrity of teeth by filling is with restorative material.
Amalgam Fillings (Silver Fillings) are used for many decades for dental filling treatment. Nowadays amalgam fillings are becoming less popular because their colour don't match with teeth and do not look natural. Amalgam Fillings which are popularly known as metal fillings are made with mixture of silver and other metals like copper or zinc, grounded into powdered form. The silver powder is mixed with mercury and placed into the cavity preparation where it is shaped before hardening.
In recent years, the safety of amalgam fillings has come under scrutiny because of the mercury it contains. The absorption of elemental mercury is known to be a contributing factor to several diseases, including Alzheimer's, multiple sclerosis, dementia and arthritis. However, recent studies have proved amalgam fillings to be perfectly safe. It is true, that mercury vapour is toxic but mercury molecules in hardened amalgam are bound to the silver molecules rendering the level of toxicity harmless.
See photo of Amalgam Fillings (Silver Fillings) as below:
Dental Designs is Mercury Free Clinic
We are mercury free dental clinic and we don't undertake amalgam fillings treatment anymore. Comparatively better solutions which are mercury free are available now. We don't recommend amalgam fillings, above paragraph is provided just for sake of information.
Composite fillings are the newest type of filling in common usage. Composite fillings are also known as white fillings. They are a porcelain/plastic hybrid that is bonded directly to the cavity preparation. Composite fillings were created as an alternative to traditional metal dental fillings. They are coloured to look like natural teeth and are more aesthetically pleasing than amalgam or gold fillings. Composite fillings are also strong, durable, and make for a very natural looking smile.
A special dental material is then used to open up the pores of your tooth's dentin and roughens up the surface of the exposed enamel. This creates a stronger bond between the tooth and the filling. The bond resin is applied to stick the composite to your tooth. This material is made of the same dental resin as the composite however it is much more fluid.
See photo of Composite Fillings as below:
Inlays and Onlays
To repair damage to the tooth’s biting surface, rather than using a simple filling, or a crown, a dentist will often use an inlay, or an onlay. Inlays and onlays can be made from porcelain, gold, or composite or ceramic resin, although porcelain is now becoming the material of choice because of its strength and potential to match the natural colour of your tooth.
An inlay is similar to a filling and lies inside the cusp tips of the tooth. They are custom-made to fit the prepared cavity and are then cemented into place. An onlay is a more extensive reconstruction that covers one or more cusps of a tooth. Onlays are indicated in situations where a substantial reconstruction is required. However, more of the tooth structure can be conserved compared to the placement of a crown.
Inlays and onlays are applied in two dental visits. At the first visit, the old filling, or decay, is removed, and the tooth is repaired for the inlay / onlay. The dentist will then make an impression of the tooth, and send this impression to a dental laboratory. This impression will be used by the laboratory to construct a custom-made porcelain, or gold inlay / onlay. At this time the dentist will place a temporary sealant on your tooth and schedule a second appointment.
Benefits of Filling Treatment
Dental Fillings improves your teeth's structural integrity. Functioning if teeth is also restored artificially. Such fillings are resistant to cavity and help you maintain your oral health.