Posts for: May, 2018
With exciting innovations in cosmetic dentistry over the last few decades, we can now transform nearly any unattractive smile. One of the best and most cost-effective of these is the porcelain veneer. These thin layers of dental porcelain are bonded over the front of chipped, slightly misaligned or stained teeth to create an entirely new look.
Veneers have evolved over time, especially with the materials they contain that give them their beauty and life-likeness. The first veneers were made mainly of feldspathic porcelain, a mineral composition known for its similarity in color and translucence to natural teeth.
But because this early porcelain had a high amount of silica (in essence, glass), and because they were created through overlaying several thin layers that weren’t as strong as a single piece, they were prone to shattering. This made them problematic for teeth subject to heavy biting forces or patients with clenching or grinding habits.
The situation changed dramatically in the 1990s, when dental labs began adding Leucite, a sturdier glass-like mineral that didn’t diminish the porcelain’s translucence. Not only did Leucite make veneers more shatter-resistant, it also enabled dental technicians to fashion most of the veneer in one piece to further strengthen it.
More recent veneers may now incorporate an even stronger material called lithium disilicate. Because lithium disilicate has twice the strength of Leucite, veneers made with it can be as thin as 0.3 millimeters. Not only does this blend together the most desirable qualities expected of a veneer—strength, aesthetic appeal and easy fabrication—it allows for a broader range of situations and uses.
Both of these materials can be pressed or milled to assume the exact shape necessary to fit a particular tooth. The manufacturing process also allows for creating smaller veneers that can then be overlaid with porcelain for the most life-like appearance possible.
Thanks to these stronger materials enhancing the natural beauty of porcelain, we now have a wider creative palate for transforming your smile.
If you would like more information on porcelain veneers, please contact us or schedule an appointment for a consultation. You can also learn more about this topic by reading the Dear Doctor magazine article “Porcelain Veneers: Your Smile—Better Than Ever.”
If you're ready to put the "pizzazz" back into your smile, your dentist may be able to help. It's possible your dull, dingy smile could be transformed with teeth whitening.
Teeth whitening or bleaching is a technique that applies a solution with a bleaching agent (usually up to 35% hydrogen peroxide in an office setting) to the teeth to whiten them. Although there are Do-It-Yourself home whitening kits you can use, there are a few good reasons why you should first consider a whitening procedure in a dental office setting.
To begin with, you should first have your teeth examined by a dentist to determine why they're discolored. Certain foods and beverages we consume or tobacco habits are the usual culprits causing stains on the enamel, the outermost tooth layer. These are the kinds of stains targeted by most whitening solutions.
But the interior of a tooth can also become discolored for reasons like trauma, past dental work or tetracycline use at an early age. If your staining is internal (intrinsic) rather than external (extrinsic) reducing that discoloration will require an invasive procedure only a dentist can perform—a home kit won't be able to do the job.
Another reason for having your teeth whitened by your dentist (even extrinsic staining) involves your time and the degree of brightness you'd like. Because dentists use stronger bleaching solutions (home kits usually use a weaker solution of 10% carbamide peroxide) it takes fewer sessions than home kits to achieve results—and they may last longer. In addition, dentists have more control over the level of brightness to match your expectations of a more subdued, natural look or a dazzling "Hollywood" smile.
A dentist can also help you navigate special circumstances like matching and managing natural teeth whiteness with dental restorations (which don't bleach) or special whitening situations like a single discolored tooth.
Even if you eventually decide to go the home kit route, consulting with a dentist first can still prove helpful. You'll get expert advice on products, tips on how to apply them and how to prolong the whitening effect. Whichever way you go, home kit or dentist, you can gain a brighter, more confident smile with teeth whitening.
If you would like more information on teeth whitening, please contact us or schedule an appointment for a consultation. You can also learn more about this topic by reading the Dear Doctor magazine article “Important Teeth Whitening Questions…Answered!”
Your child’s dental care wouldn’t be the same without x-ray imaging. It’s one of our best tools for finding and treating tooth decay.
But since x-rays emit radiation, is your child in any danger when they’re exposed?
X-rays, an invisible form of electromagnetic energy, will form images on exposed film after passing through the body. Because it takes longer for x-rays to pass through dense tissue like teeth and bones, the corresponding areas appear lighter on the film than less dense tissue like the gums. We can detect decay because the diseased tooth structure is less dense and thus appears darker against healthier tooth structure.
The downside of x-rays, though, is the radiation they emit could potentially alter cell structure and increase the risk of future cancer, especially with children. That’s why we follow a principle known as ALARA when using x-ray imaging. ALARA is an acronym for “as low as reasonably achievable,” meaning the doses for an x-ray session will be as low as possible while still gaining the most benefit.
Advances in technology, particularly the development of digital processing, has helped reduce the amount of radiation exposure. We’re also careful with what types of x-rays we use. The most common type is the bitewing, a device with the film attached to a long piece of plastic that the child holds in their mouth while biting down.
Depending on the number of our patient’s teeth, we can usually get a comprehensive view with two to four bitewings. A typical bitewing session exposes them to less radiation than what they’re receiving from natural environmental background sources each day.
Keeping the exposure as low and as less frequent as possible greatly reduces health risks while still getting the full benefit of early decay detection. Still, if you have concerns about your child’s x-ray exposure, we’ll be happy to discuss our approach and all the precautions we take using x-ray imaging.
If you would like more information on x-ray diagnostics and your child, please contact us or schedule an appointment for a consultation. You can also learn more about this topic by reading the Dear Doctor magazine article “X-Ray Safety for Children.”