Substance loss in teeth due to decay is most often restored in a clinical setting directly using composite filling material. In this method, the patient can undergo the procedure immediately during the same visit to the clinic, saving time. However, after the decay is cleaned, the composite filling treatment thought to be applied to the large decay cavity may not be very healthy, durable, or long-lasting for the tooth. In such cases, instead of completely covering the tooth with porcelain, onlay-inlay porcelain fillings are preferred.
How Are Inlay-Onlay Fillings Done?
First, the decayed part of the tooth is removed. The healthy walls of the tooth are prepared for the inlay-onlay filling. Then, measurements of the tooth and mouth are taken using traditional measuring methods or computer-assisted digital measuring techniques. Inlay-Onlay fillings are made indirectly in a laboratory environment by a technician using zirconium porcelain, hybrid porcelain, or fiber-reinforced composite material. In the next session, the filling from the laboratory is attached to the tooth with special adhesives.
What Are the Advantages of Inlay-Onlay Fillings?
The greatest advantage of inlay-onlay fillings is that they are made from materials much more durable in the mouth than traditional composite filling materials. The resistance of a tooth with significant substance loss to chewing forces is quite low. With these fillings, we can restore the lost durability to the tooth. As these fillings are made indirectly in a laboratory environment, they can be made more detailed and more compatible with the teeth in the mouth. Their compatibility with neighboring and opposing teeth is exceptionally perfect. The occlusion, which we refer to as the chewing surface, is designed to be as close to the original as possible. They are the closest in appearance to natural teeth and do not discolor over time.
They are extremely resistant to wear and breakage. As the contact with the remaining tooth tissue is very tight, edge leakage that can occur over time in other fillings does not occur with these fillings. As they do not cause allergies, they can be safely performed on any patient.
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