A crown covers a tooth that is cracked, worn, heavily filled or treated with a root canal. It restores strength first. For most patients, though, looks matter just as much, especially when the tooth shows in a smile. A crown that blends in is the result of several careful decisions, not one. Here is how dentists approach it.
Choosing the Right Material
The material sets the limits for how lifelike a crown can look. Natural enamel lets some light pass through it, and tooth-colored ceramics are designed to do something similar.
- All-ceramic crowns. Porcelain and other ceramics are often chosen for front teeth because of the way they handle light.
- Zirconia crowns. Zirconia is a very strong ceramic. It is often used on back teeth, where chewing forces are higher.
- Porcelain fused to metal. A metal base adds strength under a porcelain surface. In some cases a dark line can show at the gumline over time.
There is no single best material. Your dentist weighs where the tooth sits, how hard you bite, whether you grind your teeth and how much of the tooth shows when you smile.
Matching the Shade
Teeth are not one flat color. Most are slightly deeper in tone near the gumline and lighter and more translucent toward the edge. A crown in a single flat shade tends to stand out, so shade matching goes further than picking "white."
Your dentist compares your teeth with a shade guide, ideally in good, neutral light. Photos can help the dental lab see subtle details such as faint lines or areas of translucency. The goal is a match to the neighboring teeth, not the brightest shade available.
Thinking About Whitening First
Crowns do not respond to whitening products. Once a crown is made, its color stays the same. If you are considering whitening, tell your dentist before the crown is made. Whitening first allows the crown to be matched to your lighter shade.
Getting the Shape and Surface Right
Shape is what makes a crown look like it belongs to you. Your dentist and the lab look at the same tooth on the other side of your mouth and at the teeth beside the crown. Length, width, the curve of the edges and the contours of the biting surface are all considered.
Surface texture matters too. Natural teeth have fine ridges and a soft sheen. A crown that is perfectly smooth and glassy can look artificial next to them, so the surface is finished to reflect light in a similar way.
Fit at the Gumline and in Your Bite
A natural-looking crown meets the gum smoothly, with no ledge or gap. A precise edge is easier to keep clean, and healthy gums frame the tooth better. Accurate impressions or digital scans of the prepared tooth help the lab achieve that fit.
While the final crown is being made, a temporary crown usually protects the tooth. It also gives you a chance to notice anything about the shape or feel that you would like to discuss.
At the placement visit, your dentist checks the color, the contact with neighboring teeth and how your teeth come together. Small adjustments are common. This is the right time to speak up. If something looks or feels off, say so before the crown is cemented.
Keeping a Crown Looking Good
A crown needs the same care as a natural tooth. The tooth underneath can still decay at the edge, and the gums around it can still become inflamed.
- Brush twice a day and clean between your teeth daily, including around the crown.
- Avoid chewing ice, hard candy or pens.
- Ask about a night guard if you clench or grind.
- Keep regular checkups so the crown and the tooth under it can be examined.
How long a crown lasts varies from person to person. Home care, bite forces and the health of the supporting tooth all play a part.
If you have a tooth that may need a crown, or a crown you are not happy with, the team at Simply Smiles in Sarasota is glad to take a look. We offer free second opinions, and new patients can start with our $130 new patient special, which includes an exam, full-mouth X-rays and a cleaning in the absence of periodontal disease. Call (941) 877-5262 to schedule.
