Damaged Teeth

dental professional holding light and talking to patient

WHAT ARE DENTAL INLAYS AND ONLAYS?

When more than half of a tooth’s biting surface is damaged, a dental inlay or onlay can be a great fix. These repairs are nearly identical and involve the same procedure. Both inlays and onlays are made of porcelain, composite resin, or gold and are attached to the damaged or misshapen section of the tooth. An inlay is much like a typical dental filling and is used inside the tips of the tooth. An onlay is similar but a little more extensive, as the reconstruction extends over one or more tips of the damaged tooth. An easy way to remember the difference is that an inlay lies inside a tooth’s tip, while an onlay lies over one or more tips.

HOW DOES THE DENTIST APPLY MY INLAYS OR ONLAYS?

Regardless of which of the two methods your dentist recommends (inlay or onlay), two appointments are needed to complete the procedure. During the first appointment, the damaged or decaying section is removed. Then, to ensure the fit is correct, the dentist will take an oral cavity impression of the tooth and send it to a dental lab for fabrication. A temporary sealant is securely placed on the tooth, and the patient is sent home. Restrictions on what the patient can eat, drink, or do are minimal, but the patient should be aware that the temporary seal is not as strong or durable as their natural teeth.

At the second appointment, the dentist will remove the temporary sealant and test the newly fabricated inlay or onlay to ensure the correct fit. If the fit feels natural and accurate, the dentist will attach the piece to the tooth using resin and buff it to a smooth, natural finish. The finished look is completely natural and matches the patient’s teeth.

dental patient with tooth shade guide onlays

CONSIDERATIONS FOR DENTAL INLAYS OR ONLAYS

In cases where damage to a tooth is not significant enough to require the placement of a dental crown, inlays offer an ideal alternative. Whereas traditional fillings reduce a tooth’s durability by up to 50%, inlays can increase a tooth’s durability by up to 75%. This strengthening factor is because the materials are bonded directly onto the tooth using special high-strength resins. As a result, inlays and onlays can last for up to 30 years.

Benefits of using inlays

When compared with typical tooth fillings, inlays have the following benefits:

  • Strong, durable, and long lasting
  • Shade matching for a natural appearance nearly indistinguishable from the surrounding teeth
  • Better contours and contact points with other teeth due to the custom design
  • Less post-procedure sensitivity around the tooth and gum

POTENTIAL DRAWBACKS OF USING DENTAL INLAYS AND ONLAYS

While inlays are a popular restorative and cosmetic procedure, patients should be aware of a few potential drawbacks. These include:

  • Higher total costs due to dental laboratory fabrication
  • A longer process compared with fillings, as two appointments are needed
  • Over time, the inlay can become stained by certain foods or beverages, similarly to natural teeth 

We don’t recommend inlays and onlays for patients with poor oral hygiene habits or patients under 16. Young children’s teeth are still developing, and it may be difficult for a child to cope with a lengthy, invasive dental procedure. The fitting of the mold to make the inlay is a somewhat uncomfortable process. Patients should be able to tolerate an oral cavity impression.

VISIT ALONDRA DENTAL CARE

If you have more questions about inlays and onlays, contact us at Alondra Dental Care. We’ll gladly explain all of the options available to you for restoring and repairing damaged teeth. Make an appointment to meet with our experienced cosmetic dental staff. Our goal is to leave you with a strong, confident smile.

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