white fillings (composite direct restorations)
Composite is a great material. It can look absolutely beautiful and it has allowed dentists to avoid invasive cavities. A composite filling is usually done in one session and that's why we often call it direct restoration. It sometimes has a bad reputation because its technique is much more complex than amalgam's. On a small/medium cavity, it's our best option.
Its limitations become more obvious when it comes to larger cavities. The shrinkage which occurs during the setting of the material may compromise the mechanical properties of the restoration and also create stress within the tooth. For those cases, an onlay could be the ideal option.
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