Dental Crown


“Get a smile that is your crowning glory!”


At Amir Sanjabi, DDS, we believe that your smile is your crowning glory. To achieve that, we offer restorative procedures, including dental crowns, for your teeth that are damaged or decayed.

A dental crown, also known as a dental cap, is a prosthetic tooth that covers or encircles your natural tooth or a dental implant. A crown is bonded to your teeth with dental cement.

Amir Sanjabi, DDS highly recommends that you get dental crowns for any of the following conditions:
•  To restore a broken or worn down tooth
•  If you have had a root canal treatment
•  To hold a dental bridge securely in place
•  To cover a discolored or misshapen tooth
•  To cover dental implants

Materials Used for Making Dental Crowns


Crowns are made of several varieties of materials, including stainless steel; alloys made from precious metals, like gold and platinum; or from base metals, like nickel, chromium and cobalt; porcelain fused with metal, or all-ceramic material.
At Amir Sanjabi, DDS, we will fit you with a crown that sits comfortably in your mouth and looks natural. To decide which material fits your mouth the best, Amir Sanjabi, DDS will consider several factors, including:
•  The tooth’s location
•  The tooth’s function
•  The position of the gum and surrounding tissues
•  The effect of the tooth on your smile
•  The color of the tooth

Dental Crown Preparation and Fitting


At Amir Sanjabi, DDS, we will first numb the area with a local anesthetic.

Preliminary Tooth Impressions and Color


If you have chosen a porcelain or ceramic tooth, we will aquire the exact shade of the tooth by matching to your existing teeth. Creating a dental crown will also require exact models of the lower and upper arches of the mouth. This model will be used to create the crown for your teeth. We will also take a small impression of the place where the tooth will be fitted. This impression will be used to craft a temporary crown that you will wear while you wait for the permanent crown to arrive. This process can take 7 to 10 days.

We will then use a shade guide to get the exact color of your natural teeth.

Preparing the Tooth


We will remove any tooth debris, decay and filling material from the tooth that requires the crown. Once the decay is removed, a composite core is placed in the cavity. After that, we will shape the tooth and reduce the biting surface of the tooth, to accommodate the crown. This step is very important and takes the most time.

Taking A Final Impression


Once the tooth has been prepared, we will gently push your gums away from the tooth, using a gingival retraction cord. We will then take the tooth impression by applying polyvinyl siloxane material around your tooth and filling an impression tray with the same. Then, we will place the impression tray over the prepared tooth and tell you to bite down, until the impression is fully set. This can take three to five minutes.

Creating a Temporary Crown


Using the small impression taken during the preliminary impression process, we will fill the impression tray with a resinous material and place it on the tooth. Once the material sets, we will smooth out the edges and be sure your teeth bite together accurately.

The temporary crown not only prevents infection in your exposed tooth; it also stops your prepared tooth from shifting.

Cementing the Permanent Crown


After your permanent crown arrives, we will place it during a second appointment. We will then remove the temporary crown and place the permanent crown in its place, to test the fit. Once we are satisfied, we will place bonding material on your prepared tooth and the crown. Your tooth will also be isolated from other teeth, and cotton balls may be placed in your mouth to keep it dry. We will then press the permanent crown into place and may fix it with a curing light. After this, we will use floss and a dental scaler to remove excess cement from around the tooth.

Even though the crown is custom-made to your exact specifications, we may have to make small adjustments to make sure your crown functions like your natural tooth.

Your permanent crown is designed to last several years; however, it may become loose or fall out. In this case, you can call us at (562) 287-8016 to get it refitted.
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