Dentistry focuses on diagnosing, preventing, and treating conditions of the teeth, gums, and oral structures, supporting oral health and overall well-being.
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The process of receiving a porcelain crown is a choreographed sequence of clinical steps designed to ensure precision, comfort, and longevity. Modern dentistry utilizes digital workflows that have streamlined this process, often reducing the number of appointments required. The treatment involves preparing the tooth, capturing its geometry, fabricating the restoration, and bonding it securely in place.
Care during the treatment phase is focused on maintaining the health of the pulp (nerve) and the gum tissue. The dentist employs specific protocols to minimize trauma to the tooth and to manage any temporary sensitivity. Communication between the dentist, the laboratory (or milling machine), and the patient is constant to verify fit and aesthetics.
Post operative care is equally vital. The transition from a temporary to a permanent crown requires patient compliance to protect the vulnerable tooth stub. Once cemented, the crown requires specific maintenance to ensure the biological seal remains intact.
The procedure begins with ensuring the patient is completely comfortable. Topical anesthetic gel is applied to the gum tissue to numb the injection site. Local anesthesia is then administered to block nerve transmission from the tooth and surrounding gums.
Modern anesthetics are profound and long lasting. The dentist ensures that the patient feels no sharpness or pain, only vibration and pressure. For anxious patients, nitrous oxide or oral sedation may be used to provide an additional layer of relaxation.
To make room for the porcelain, the natural tooth must be reduced in size. The dentist uses high speed diamond burs to remove a specific amount of enamel and dentin—usually 1.0 to 1.5 millimeters—from all sides and the top of the tooth.
This preparation must be precise. It must be smooth, without undercuts, and have a specific taper to allow the crown to seat properly. The goal is to remove enough structure for strength and aesthetics while preserving as much healthy tooth as possible.
Once the tooth is prepared, the dentist uses an intraoral scanner to capture the digital impression. A small wand is waved over the teeth, building a 3D model in real time on a computer screen.
This process is fast and eliminates the gag reflex associated with traditional impression goo. The software analyzes the preparation instantly, highlighting any areas that need refinement before the file is sent to the lab, ensuring a perfect fit.
If the permanent crown is being made by an off site lab, a temporary crown is fabricated. This is made of acrylic or composite resin and is cemented with temporary glue. Its purpose is to protect the prepared tooth, prevent it from shifting, and maintain the gum position.
The temporary crown also serves as a “test drive” for the final shape and length, especially for front teeth. It acts as a biological bandage, insulating the cut dentin from temperature sensitivity.
Selecting the color is an art form. It is not just one color; teeth have gradients. They are darker at the gumline and more translucent at the biting edge. The dentist creates a “shade map” detailing these zones.
Photos are taken with shade tabs held next to the teeth. These are sent to the ceramist. In high end aesthetic cases, the patient may visit the lab for custom shading, where the ceramist paints the porcelain to match specific characterizations like white spots or cracks.
The crown is then fabricated. In a traditional workflow, the digital file goes to a lab where a master ceramist designs and layers the porcelain. This takes 1-2 weeks.
In a CEREC (Chairside Economical Restoration of Esthetic Ceramics) workflow, the crown is designed by the dentist and milled in the office from a ceramic block in about 15 minutes. This allows for “Same Day Crowns,” eliminating the need for a temporary and a second visit.
When the final crown is ready, the temporary is removed and the tooth is cleaned. The fit is verified. The bonding process involves treating both the tooth and the inside of the crown with chemicals to create a strong link.
The crown is usually etched with acid and silanated. The tooth is conditioned. A resin cement is used, which bonds to both surfaces. This creates a “monoblock” effect, where the crown and tooth become one integrated unit.
Once cemented, the bite must be perfect. If the crown is even slightly “high,” it will cause pain and sensitivity. The dentist uses articulating paper to check the contacts.
Adjustments are made with fine diamond burs until the bite is balanced. The crown is then polished to a high shine. A smooth surface is essential to prevent wear on the opposing teeth and to stop plaque from sticking to the porcelain.
After the anesthesia wears off, the gums may be sore from the procedure, and the tooth may be sensitive to cold. This is normal. The nerve has been traumatized by the vibration and needs time to heal.
Patients are advised to take anti inflammatory medication like Ibuprofen. They should avoid sticky foods for 24 hours to let the cement fully set. If the bite feels “off” once the numbness is gone, they must return immediately for an adjustment.
Transient sensitivity can last for a few weeks. It usually subsides gradually. If the sensitivity to cold increases or turns into a throbbing ache that wakes the patient up at night, it may indicate irreversible pulpitis (dying nerve).
Using a desensitizing toothpaste can help calm the nerve during the healing phase. Avoiding extreme temperature fluctuations in diet is also recommended.
Send us all your questions or requests, and our expert team will assist you.
CEREC stands for Chairside Economical Restoration of Esthetic Ceramics. It is a system that allows the dentist to scan, design, mill, and cement a permanent porcelain crown in a single visit, usually within two hours, eliminating the need for a temporary crown and a second appointment.
Temporary crowns are made of acrylic plastic, not porcelain. They are polished but do not have the same glass like smoothness as the final crown. They are also slightly thicker to ensure they don’t break. The final crown will be smooth and undetectable to your tongue.
You need to be careful with a temporary. Avoid sticky foods like caramel or gum, as they can pull the temporary off. Avoid very hard foods that could crack the acrylic. Chew on the opposite side of your mouth if possible.
If your temporary falls off, it is important to have it recemented. The temporary holds the space; without it, the teeth can shift, and the final crown might not fit. You can use denture adhesive or temporary cement from a pharmacy to hold it in place until you see the dentist.
The cement can have a bitter or sour taste when it is first applied. However, this taste disappears quickly once the excess cement is removed and the mouth is rinsed. The set cement is tasteless and odorless.
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