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Dental Code D2642: Onlay - porcelain/ceramic - two surfaces

Dental Code D2642: Onlay - porcelain/ceramic - two surfaces

Dental onlays are a popular and effective treatment option for restoring damaged or decayed teeth. Unlike traditional fillings, onlays are custom-made restorations that are designed to fit the unique shape and size of the prepared tooth. The process of receiving an onlay involves several steps, from the initial tooth preparation to the final placement and finishing touches. This detailed guide will walk you through each stage of the onlay procedure, explaining the key steps and the role of the dentist and dental laboratory in creating a durable and aesthetically-pleasing restoration. Understanding the onlay process can help patients feel more informed and confident about this tooth-preserving treatment option.

What does Dental Code D2642 mean?

Dental Code D2642 refers to the procedure of placing an onlay restoration made of porcelain or ceramic material on a tooth that has two affected surfaces. An onlay is a type of indirect dental restoration that covers the entire biting surface of a tooth, as well as one or more of the tooth's sides. This procedure is typically recommended when a tooth has extensive decay, damage, or a large existing filling that cannot be adequately restored with a simple filling.

Dental Code D2642 Price Range & Savings

On average, patients pay $1200 for this D2642 service at the dentist's office, with as little as $780 charged for this in less expensive cities and as much as $1500 in more expensive cities.

Low cost of living

Medium cost of living

High cost of living

Memphis (Tennessee), Cincinnati (Ohio)

Miami (Florida), Denver (Colorado), Austin (Texas)

(New York (New York), San Francisco (California)

$780

$1200

$1500

However, the price for the service D2642 depends not only on the region where you live, but also varies from dentist to dentist. Therefore, it makes sense to compare prices before choosing a dentist. The best way to do this price comparison is at Dr. BestPrice and save a lot of money. 

Detailed Information about the Procedure

Preparation and Assessment

The process begins with a thorough examination of the affected tooth by a dental professional. They will assess the extent of the damage or decay and determine if an onlay is the most appropriate treatment option. Impressions or digital scans of the tooth will be taken to create a model for the fabrication of the custom onlay.

Tooth Preparation

The next step involves preparing the tooth to receive the onlay restoration. This typically requires the removal of any existing fillings, decay, or damaged tooth structure. The dentist will then shape the tooth surface to create a proper fit for the onlay. This may involve the use of local anesthesia to ensure the patient's comfort during the procedure. The goal of this step is to create a clean, even surface that will allow the onlay to fit seamlessly and prevent further decay or damage to the tooth. Additionally, the dentist may need to remove any undercuts or irregularities in the tooth shape to ensure a proper fit for the onlay.

Impression and Temporary Restoration

Once the tooth is prepared, an impression or digital scan of the tooth and surrounding area will be taken. This impression is then sent to a dental laboratory, where the custom onlay will be fabricated. In the meantime, a temporary restoration may be placed on the tooth to protect it and maintain its function until the permanent onlay is ready. The temporary restoration helps to preserve the prepared tooth structure, prevent sensitivity, and allow the patient to continue using the tooth for normal daily activities while the onlay is being made.

Onlay Fabrication

At the dental laboratory, a skilled technician will use the impression or digital scan to create a detailed model of the prepared tooth. They will then carefully craft the onlay restoration, ensuring it fits the tooth's shape and size perfectly. The onlay may be made from a variety of materials, such as porcelain or ceramic, and can be customized to match the color and appearance of the surrounding teeth. The technician will use specialized equipment and techniques to ensure the onlay is precisely designed and fabricated to the dentist's specifications, providing a durable and aesthetically pleasing restoration.

Placement of the Onlay

When the onlay is ready, the patient will return to the dental office for the final restoration placement. The dentist will first remove the temporary restoration and thoroughly clean the prepared tooth surface. They will then check the fit and appearance of the onlay before permanently bonding it in place using a specialized dental cement or adhesive. This step is crucial to ensure the onlay is securely and accurately positioned on the tooth, creating a strong and long-lasting restoration.

Finishing Touches

After the onlay is securely in place, the dentist will make any necessary adjustments to ensure a comfortable and natural-looking fit. This may include minor polishing or shaping of the onlay to ensure a smooth, seamless transition between the restoration and the surrounding tooth structure. The dentist will also check the bite and make any necessary adjustments to ensure the onlay is not interfering with the patient's normal bite and chewing function. Finally, the dentist will provide the patient with instructions on proper care and maintenance of the onlay to ensure its longevity.

Summary of Dental Code D2642

Dental Code D2642, which refers to an onlay restoration made of porcelain or ceramic materials covering two surfaces of a tooth, is a highly effective and durable treatment option for teeth with extensive damage or decay. The process involves thorough tooth preparation, impression taking, custom onlay fabrication, and precise placement to ensure a long-lasting, natural-looking restoration. By understanding the details of this procedure, patients can make informed decisions about their oral health and work with their dental professionals to achieve the best possible outcomes.


If you have a damaged or decayed tooth and are considering an onlay restoration, be sure to visit

Dr. BestPrice's dental auction platform to explore your options and find the best care for your needs.

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