What Is the Difference between Fillings, Inlays and Onlays?

Fillings, Inlays, and Onlays?

You are probably familiar with the idea of having a filling as many people have at least one, but you might not be aware of other types of fillings and when we may need to use them. As well as ordinary fillings, we can also provide you with an inlay or only. So what is the difference between all these options and when are they likely to be used?

  • Fillings

Inlays and Onlays Fillings are great for repairing small to medium-sized cavities and as well as silver-colored amalgam fillings, these days we can provide you with hard-wearing tooth-colored composite resin fillings that will mend your teeth just about invisible. This is because of the introduction of newer and stronger materials that are suitable for repairing even back teeth that come under a lot of wear and tear during chewing.

Several advantages in choosing a composite resin filling:

There are several advantages in choosing a composite resin filling as the dentist will only need to do minimal preparation to the tooth, removing only the damaged portion before placing the filling. With an amalgam filling it is necessary to remove a greater amount of tooth structure. Additionally, composite resin bonds extremely well to the natural tooth structure and will create a nice tight seal to keep out bacteria. The procedure to place a composite resin filling is more technique sensitive but the results can look wonderful.

  • Inlays

Inlays are used to repair the large chewing surface of a back tooth and to mend larger cavities where a conventional filling wouldn’t be strong enough. These chewing surfaces can often develop cavities as they do contain quite deep fissures that can easily trap plaque and food. With an inlay, a dentist will need to carefully prepare the tooth before taking a detailed impression that will be sent to the dental laboratory so your inlay can be handcrafted from either porcelain or gold.

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As an alternative, we may be able to make a porcelain inlay while you wait using the very most advanced CAD/CAM technology. This procedure is a little different as your tooth will be scanned and the information used to design your new inlay. The design is then sent to our on-site CEREC milling machine and your new inlay will be milled from a solid block of porcelain that will be in a shade closely matching your natural tooth. These restorations can look amazing and eliminate the need for a temporary filling while your inlay is being made.

  • Onlays

An inlay is similar to an inlay, just a little larger. It can repair a cavity right in the central part of the chewing surface as well as one or more of the tooth cusps. These are the raised points on the tooth. Your only can be made in the same way as an inlay, either in our dental laboratory or on-site with our milling machine.

 

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