Dental fillings, which type works best?
Dental Fillings in HRBR Layout
The advantages of Amalgam fillings are:
- durability- can last for a long period
- strength- after an initial setting time, the material can resist chewing function
Disadvantages are:
- aesthetic concerns: does not match the shade of the original tooth
- excessive teeth preparation: healthy tooth structure has to be removed to create a retentive cavity
- allergic reactions to amalgam
- fracture of the restoration
- cannot be used to restore front teeth
Tooth-coloured composite fillings:
The advantages are:
- aesthetic: shade matching is possible, but the filling is almost ‘undetectable’
- bonded: composite filling materials chemically bond to the tooth structure
- less cavity preparation is required
- versatile: can be used to restore front teeth as well as posterior teeth
Disadvantages are:
- less durable than amalgam fillings, usually have to be replaced sooner than amalgam
The process of dental fillings:
Once the need for filling is determined, the dentist selects the filling material to be used with the patient and then numbs the area of the injured tooth. The carious area is removed with a drill and the cavity is thoroughly cleaned to ensure that no bacteria or drilling debris remains in the area. Then the filling is placed in increments and light-cured. After a final polish and occlusal adjustment the filling is ready to be used in function.
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