Inlays and Onlays: Your Guide to Restorative Dentistry

In the field of dentistry, the preservation of natural tooth structure while restoring function and appearance is paramount. Among the spectrum of restorative options, inlays and onlays occupy a unique position, offering a conservative yet effective solution for teeth that are beyond the scope of fillings but do not require the extensive coverage of crowns. This makes them the perfect middle-ground for patients who require them.


This guide provides a professional overview of inlays and onlays, delineating their benefits, application process, and maintenance, to inform and guide patients toward informed dental care decisions.

What are Inlays and Onlays?

Inlays and onlays are custom-fabricated dental restorations designed to repair posterior teeth with moderate to extensive structural damage due to decay or fracture. While inlays are confined to the interior cusps of a tooth, onlays will extend over one or more cusps, effectively reconstructing a tooth’s chewing surface.


Fabricated from durable materials such as porcelain, composite resin, or gold, these restorations offer both functional and aesthetic benefits, closely mimicking the tooth’s natural appearance.

When to Consider Inlays or Onlays?

The application of inlays and onlays is indicated for situations where the structural integrity of a tooth is compromised, and a traditional filling would not suffice in providing the necessary support.

Conversely, these restorations are preferred over crowns when the aim is to conserve as much of the original tooth structure as possible, adhering to the principle of minimal intervention. This makes them particularly suitable for restoring teeth that endure significant functional stress, such as molars and premolars.

Benefit of Inlays and Onlays

  • Conservation of Tooth Structure: Unlike crowns, which often require extensive tooth preparation, inlays and onlays allow for greater preservation of the natural tooth, minimizing the removal of healthy tooth substance.
  • Durability and Strength: Constructed from high-strength materials, inlays and onlays are resistant to wear and provide superior longevity compared to conventional fillings, effectively supporting the tooth under significant biting forces.
  • Aesthetic Integration: With the ability to closely match the restoration to the natural shade of the tooth, inlays and onlays offer an aesthetically pleasing solution that is virtually indistinguishable from the natural tooth enamel.
  • Precision Fit and Seal: Custom-crafted to the precise dimensions of the prepared cavity, inlays and onlays ensure an optimal fit, reducing the risk of bacterial leakage and subsequent decay.
  • Stability and Adaptability: Designed to accommodate the natural movement of teeth over time, inlays and onlays maintain stability and functionality, ensuring the longevity of the restoration.

What You Can Expect:

The placement of inlays and onlays typically requires two dental visits. The initial visit involves the careful removal of decayed or damaged tooth material, followed by the taking of an impression, which serves as a template for the fabrication of the restoration. A temporary restoration may be placed to protect the tooth while the permanent inlay or onlay is being crafted.


During the subsequent visit, the temporary restoration is removed, and the inlay or onlay is securely bonded to the tooth, restoring its form and function. Advances in dental technology, such as CAD/CAM (Computer-aided design and computer-aided manufacturing) systems, may facilitate the completion of this process in a single appointment, offering a prompt and efficient treatment option.

Caring For and Maintaining Inlays and Onlays

The longevity of inlays and onlays is significantly influenced by proper oral hygiene practices and regular dental check-ups. Patients are advised to maintain diligent brushing and flossing routines and avoid habits that could exert undue stress on the restorations, such as chewing on hard objects. With appropriate care, inlays and onlays contribute to the long-term health and aesthetics of the dental arch.

Your Optimal Restoration Choice

Inlays and onlays represent a sophisticated approach to dental restoration, combining the principles of tooth conservation with advanced materials science to restore damaged teeth. By choosing inlays and onlays, patients benefit from a treatment that not only enhances the strength and appearance of their teeth but also aligns with the highest standards of conservative dentistry.

Through a comprehensive evaluation, dental professionals can determine the most appropriate treatment plan, ensuring that patients receive the optimal care for their oral health needs. Contact us today at Converse Smiles to schedule a consultation and reaffirm your dental health at a price that won’t break the bank!

Schedule An Appointment

Visit Our
Converse, TX Dental Office

Converse, TX Dentist

4230 N Foster Road Suite 108
San Antonio, TX 78244
210-966-9555

Office Hours:
Monday: 10 AM – 6 PM
Tuesday: 10 AM – 6 PM
Wednesday: 9 AM – 5 PM
Thursday: 11 AM – 7 PM
Friday: 9 AM – 5 PM
Saturday: 9 AM - 2 PM (Once a month)
Sunday: CLOSED

We Accept Walk-ins, Receive Same-Day Treatment

Request Appointment 210-966-9555