Bonded Fillings in Oakville
Bonded fillings mean that these fillings are bonded to your teeth. That means they are made chair-side, and are not made of porcelain. The durability of a bonded filling is approximately ten years but it all depends on many factors, it could be more years than that or a lot less. Factors affecting the durability of a bonded filling include but are not limited to the bite of the person, that is, the way that the upper jaw closes and occludes with the lower jaw. Other factor is the diet of the person, whether you are biting on hard food items or not. Bruxing or grinding is another common factor for those white fillings, or better yet, teeth coloured, break. Bruxing is referred to one's bad habit of grinding his/her teeth during his/her sleep. Grinding during the day is often attributed to sports, but both grinding and bruxing are also often a result of stress.
Now white fillings are not as strong as your natural teeth, and are not meant to replace more than fifty percent of the tooth structure. If more that fifty percent of the tooth structure replacement is required, than a better option is a laboratory made restoration, which is also bonded to the tooth, but it is bonded through the use of dental cements and not dental resin materials, therefore we do not call these restorations bonded.
Bonded restorations can also be veneers, and are a less expensive way of covering unwanted shapes and shades. The only problem with bonded veneers is that the edges of the bonding end to the tooth, therefore might be darker because the material in that area is thinner, unless of course the tooth enamel is removed and a bonding material is applied on top of it. Because usually we do not do that, the bite is also limited because the material cannot be thick on top of the tooth, and that area is also a little darker. It is not unusual that these bonding restorations need touch ups from time to time, or even yearly touch ups.
Bonded restorations, like any other types of restorations, cannot be whitened, so it is imperative that whitening be done first so that the restoration is applied later to match the rest of the tooth surface.
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