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Types of Tooth Crowns

Most dentists will agree that the tooth crown is at the heart of general dentistry. They've all studied dental crowns in dental school, and some have done their best work replacing a missing tooth and saving the rest.

Research has given them the wherewithal to achieve virtually ideal restorations. They are natural looking, comfortable and stable in the moist environment of the mouth. Cosmetic dentistry professionals are better equipped now more than ever to build strong, long-lasting and cosmetically superior dental crowns.

What is a dental crown?

A crown (or cap) is a restoration placed over broken teeth or a cracked tooth that cannot sustain a conventional filling. By covering the biting surfaces and sides of the tooth, a dental crown strengthens the damaged tooth by binding together the remaining structures. There are basically three kinds of full-crown restorations that can be placed by your cosmetic dentist, each with pros and cons, depending on your situation.

A gold crown or metal alloy crowns have the longest track record for durability, but some people object to the look of metal.

A full porcelain crown - and its new ceramic cousin - looks wonderful and fits well; however, porcelain crowns are usually best on front teeth where stress is not so great.

Porcelain-fused-to-metal dental crowns are our loyal work-horses for single-tooth restoration - they're very strong.

There are elements of finesse in the creation of any crown. The fit is the thing. The teeth must be prepared with opposing teeth in mind so a good bite won't go bad after the crown is placed. The fit must accommodate adjacent teeth, too. And the "margin," the part of the crown nearest the gum, must fit smoothly to protect the health of gum tissue.

And all this effort is to one end: to save a tooth.

When is a dental crown called for?

• A tooth that has been filled more than once cracks, breaks off, or falls victim to secondary caries - a cavity under or around a filling.
• You've had root canal treatment on a molar, and it's prone to brittleness.
• A tooth has suffered severe enamel wear.
• The high school hockey star takes a blow in the mouth, and an otherwise sound tooth is broken.
• You need an anchor for your new dental bridge.

+Jim Du Molin is a leading Internet search expert helping individuals and families connect with the right dentist in their area. Visit his author page.

Dental Makeover: Does My Smile Make Me Look Older?

When you look in the mirror, what do you see? Is the reflection you see not quite what you used to see? Do you say to yourself, "I don't feel any older, but I see an older person." Getting older is an inevitable process, but you don't have to look older, too.

When it comes to looking younger, there are all sorts of products and procedures available so you can look your best (such as anti-wrinkle gels, cosmetics, skin treatments, facelifts and day spas). One of the procedures that is the least emphasized, but can have a profound yet subtle effect, is an improved smile from a dental makeover.

Why Does Your Smile Look Older?

It's typical that most adults don't realize that their smile is not as bright as it used to be. Coffee, tea, red wine, smoking, and the normal, and sometimes heavy, wearing away of tooth enamel have cumulative effects on the teeth. As we age, our smile begins to look a little discolored.

Old dentures can become yellow or gray, which will make your smile appear older. In fact, dentures will naturally pick up stains and wear down faster than our natural teeth. If you have had the same dentures for more than six years, they require a dental makeover. New dentures should be made every six to ten years and relined every three to five years.

How Can a Dental Makeover Make My Smile Look Younger?

The fastest and easiest way an esthetically minded person can get a dental makeover is through bleaching or tooth whitening. It can be achieved either through an at-home or in-office process. Now, there are over-the-counter products that will whiten your teeth; however, for safe and predictable changes with dramatic results, there is no substitute for the dental office.

Are There Any Other Ways to Make My Smile Look Younger?

Bleaching is usually the first step to achieving a more youthful appearance to your smile. Not only can you brighten your smile through bleaching, but the physical appearance of your teeth can also be improved. Applying composite bonding, porcelain veneers or crowns to your teeth is the ultimate in dental makeover and cosmetic dentistry enhancements.

When these options were presented to one patient, she couldn't envision the immediate change the procedures would have on her smile. In front of a mirror, I showed her the gradual changes that had occurred over time due to the wearing and staining of their tooth enamel. The patient decided to have her teeth whitened and her front teeth artistically rejuvenated with porcelain veneers. When the patient went to work after the procedure was complete, her coworkers noticed a difference, but couldn't exactly identify the change in her overall appearance. They thought that she did something different to her hair or was losing weight. No one guessed that subtle improvements had been made to her teeth.

It's never too late to care more about your smile and make immediate improvements with a dental makeover. A small change today can enhance your smile for years to come.

By Benjamin O. Watkins, III, DDS

+Jim Du Molin is a leading Internet search expert helping individuals and families connect with the right dentist in their area. Visit his author page.