Posts for: September, 2012
While the goal of restorative dentistry is to return all of the destroyed or lost dental tissues of the teeth to full form (shape) and function, when you blend this goal with the artistry of cosmetic dentistry, the results can be dazzling. Today's modern techniques and materials enable replacement of missing tooth structure that allows bonding directly to the tooth so that it not only is an exact color match but also actually strengthens the tooth. And tooth-colored fillings are not just for front teeth. They can dramatically improve the appearance of all teeth — even your back molars — so that it appears you've never had tooth decay at all!
All of this is accomplished through the use of either tooth-colored dental porcelain or composite resins. Porcelains are a form of ceramic material formed by the action of heat. They are available in many colors and shades made from a powder corresponding to the primary color of the natural tooth structure that is mixed with water and placed into an oven for firing (hence their ceramic nature). When built up in layers by highly trained dental ceramicists, they can be made to mimic the exact natural translucency, staining and contours of tooth enamel.
Dental composite resins are the most common materials used for tooth-colored adhesive restorations today and have properties similar to tooth structure. They consist of resin or special plastics and fillers that are made of silica, a form of glass. The fillers give the composites wear resistance and translucency (see through properties).
It is important to note that besides providing the appearance of beautiful teeth, properly restored teeth function and wear better. But most important to you, they appear indistinguishable from natural teeth! Furthermore, scientific studies and clinical experience have validated their use as both safe and predictable. In fact, these techniques are also suitable for children's teeth and can incorporate fluoride to reduce decay. Together, all of these changes have so significantly impacted the way modern dentistry is practiced that many believe we may have entered into the so-called “post-amalgam (silver metal-colored dental fillings) era.”
Contact us today to schedule an appointment to discuss your questions about tooth-colored fillings. You can also learn more by reading the Dear Doctor magazine article “The Natural Beauty of Tooth Colored Fillings.”
If you have a tooth that just doesn't look good because of decay or injury, a porcelain laminate veneer is probably a good way to make it look as good as it ever did — and maybe even better! Dental veneers are composed of thin layers of dental ceramic material. They essentially replace the original tooth enamel and require preparation of the tooth by removing a small amount of enamel to allow room for the placement of the veneer.
Recently, more and more dentists have been using minimal prep or prepless techniques that do not require this preparation. In such cases, the porcelain is bonded directly to the outer layer of the tooth's enamel. Highly skilled dental technicians can design a custom-fit veneer that feathers into the tooth just short of the gum line.
Prepless techniques cannot be used in all situations, but when they are used appropriately the results are beautiful and very stable. Should you get prepless veneers? The following is a list of advantages and disadvantages of prepless veneers.
Advantages of prepless veneers include:
- Tooth preparation or reduction is not needed, leaving the original tooth whole.
- They are not placed under the gum tissue, eliminating the possibility that the restorations negatively impact the gum tissue.
- They can be used to change the appearance of teeth that are too small or misshapen making the teeth look larger and eliminate unwanted spacing.
- They can be used to “lengthen” teeth that have been worn down by grinding.
- Since the underlying tooth has not been reduced, prepless veneers are reversible and practically risk-free.
- There are many cosmetic situations in which they cannot be used, and traditional veneers (requiring preparation) must be used instead.
- Prepless veneers cannot be used in cases in which orthodontic treatment is recommended to move the teeth, such as improper tooth position, poor bite, or a poor facial profile.
- Since they are added on to existing tooth structure, they do not work for teeth that are relatively large or in a forward position in a smile.
- They do not usually work for lower teeth because of space restrictions.
- They cannot replace lost or damaged enamel.
Working with prepless veneers requires special skills and training. Please discuss our credentials and experience with us when you inquire about this technique. We can assess your specific situation and let you know whether restoration without the drill is appropriate for you.
Contact us today to schedule an appointment to discuss your questions about prepless veneers. You can also learn more by reading the Dear Doctor magazine article “Porcelain Veneers Without the Drill.”
Grinding, clenching, and gritting your teeth are common reactions to stress — but their results can be quite complex. Here are some questions and answers that will fill you in on what you may not know about this widespread problem.
My dentist said I was bruxing. What does that mean?
Bruxing means that your teeth are grinding upon each other. Many people carry out this habit subconsciously and are not even aware that they are doing it.
Is bruxing or gritting harmful?
Such habits are called “parafunctional” (from para, meaning outside, and function, meaning purpose). This is because these stress habits exert much larger biting forces — as much as ten times more — than in normal biting and chewing activities. This excess pressure can cause damage to jaw joints and muscles, resulting in muscle spasm and pain; and to the teeth, resulting in wear, fractures or looseness. They can also cause headaches, earaches, and even neck and backaches because of the pressures on various structures in the face and mouth.
What is the usual treatment for problems arising from these stress habits?
The first thing we want to do is relieve your pain and discomfort. Second, we want to stop future damage. Application of heat or cold is helpful, and mild anti-inflammatory and muscle relaxant drugs are prescribed for pain and muscle spasm. To prevent future occurrences, we may treat you with biofeedback or refer you to someone who can offer psychotherapy.
What is a night guard and how can it help?
A night guard is an unobtrusive thin plastic appliance that is made to fit over the biting surfaces of your upper teeth. These guards are so unobtrusive that they can even be worn during the day if your stress level is so high that you grind your teeth during the day. The guard is adjusted to leave the lower teeth free to move against the surface of the guard, but they cannot bite into the upper teeth. This prevents wear on the teeth and lets the jaw muscles relax, preventing the pain of muscle spasm.