Posts for: December, 2016
If you've lost a tooth, you have a number of options for replacing it. Perhaps the best choice in terms of lifelikeness and durability is a dental implant.
All implants have the same basic architecture: a titanium metal post imbedded in the jawbone to replace the root; and an abutment, a metal collar that links the post with a lifelike porcelain crown. But implants can vary in how the crown attaches to the abutment and post — either cemented to the abutment or screwed through the abutment to the post.
Either method will permanently secure the crown to the implant. But there are advantages and disadvantages for each.
A screw-retained crown may better facilitate any future repair that might be needed. For a skilled dentist it's a simple matter of removing the screw and then the crown from the abutment. There's less risk of damage to the implant during repairs or crown replacement. Many dentists also prefer screws for crowns placed at the same time they're installing the implant post (a procedure called immediate loading).
The screw access hole, however, could pose a cosmetic problem. Although we can cover it over with tooth-colored filling, it may still be noticeable and unattractive especially for a tooth visible when you smile (in the smile zone). There's also the possibility the porcelain around the access hole could chip.
By contrast, cemented crowns have a smooth, unbroken surface and are aesthetically ideal for smile zone teeth. But the cement could interact poorly with gum and bone tissue in some patients, causing inflammation and possible bone loss.
And unlike screw-retained crowns, cemented crowns are difficult to remove for implant repair. We may have to drill through the crown to access the screw between the abutment and the post, and then repair it cosmetically if we use the same crown. Again, the final result may not be quite as visually appealing.
In the end, it will depend on the implant's location, how your body reacts to the cement or your dentist's preference. In either case, though, you'll have a tooth replacement that's functional, life-like and able to endure for many years to come.
If you would like more information on dental implants, 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 “How Crowns Attach to Implants.”
If you've ever been alarmed to find oddly-shaped red patches on your tongue, you can relax for the most part. Most likely, you're part of a small fraction of the population with a condition known as geographic tongue.
The name comes from the irregular shape of the patches that seem to resemble land formations on a map. Its medical name is benign migratory glossitis, which actually describes a lot about the condition. The patches are actually areas of inflammation on the tongue (“glossus” – tongue; “itis” – swelling) that appear to move around or migrate. They're actually made up of areas where the tiny bumps (papillae) you normally feel have disappeared: the patches feel flat and smooth compared to the rest of the tongue.
We're not sure why geographic tongue occurs. It often runs in families and seems to occur mostly in middle-aged adults, particularly women and non-smokers. It's believed to have a number of triggers like emotional stress, hormonal disturbances or vitamin or mineral deficiencies. There may also be a link between it and the skin condition psoriasis. Under a microscope the red patchiness of both appears to be very similar in pattern; the two conditions often appear together.
The bad news is we can't cure geographic tongue. But the good news is the condition is benign, meaning it's not cancerous; it's also not contagious. It poses no real health threat, although outbreaks can be uncomfortable causing your tongue to feel a little sensitive to the touch with a burning or stinging sensation. Some people may also experience numbness.
Although we can't make geographic tongue go away permanently, you should come by for an examination to confirm that is the correct diagnosis. Once we know for sure that you do have migratory glossitis, we can effectively manage discomfort when it flares up. You should limit your intake of foods with high acidity like tomatoes or citrus fruits, as well as astringents like alcohol or certain mouthrinses. We can also prescribe anesthetic mouthrinses, antihistamines or steroid ointments if the discomfort becomes more bothersome.
It may look strange, but geographic tongue is harmless. With the right care it can be nothing more than a minor annoyance.
If you would like more information on benign migratory glossitis, 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 “Geographic Tongue.”
A third of people treated for cancer develop adverse side effects within their mouth. But while these effects can be devastating to teeth and gums, there are ways to minimize the damage.
Treatments like chemotherapy and radiation work by destroying cancer cells. Unfortunately, they may also destroy normal cells. The accumulation of this “collateral damage” ultimately affects uninvolved areas and organ systems of the body. Chemotherapy, for example, can interrupt bone marrow blood cell formation and decrease the body's ability to fight infection.
These ripple effects can eventually reach the mouth. It's not uncommon for cancer patients to develop mouth sores or see an increase in tooth decay or periodontal (gum) disease. The treatments may also inhibit saliva flow: because saliva neutralizes acid and provides other benefits that lower disease risk, dental disease is more likely to develop when the salivary flow is reduced.
The first step to minimizing these effects is to improve oral health before cancer treatment begins. An unhealthy mouth vastly increases the chances for problems during treatment. Cooperating with your cancer physicians, we should attempt to treat any diseases present as soon as possible.
During cancer treatment we should also monitor your oral health and intervene when appropriate. If at all possible, you should continue regular dental visits for cleaning and checkups, and more so if conditions warrant. We can also protect your teeth and gums with protective measures like antibacterial mouth rinses, saliva stimulation or high-potency fluoride applications for your enamel.
What's most important, though, is what you can do for yourself to care for your mouth during the treatment period. Be sure to brush daily with a soft-bristle brush and fluoride toothpaste. You can use a weak solution of one-quarter teaspoon each of salt and baking soda to a quart of warm water to rinse your mouth and soothe any sores. And be sure to drink plenty of water to reduce dry mouth.
While you're waging your battle against cancer, stay vigilant about your teeth and gums. Taking care of them will ensure that after you've won your war against this malignant foe your mouth will be healthy too.
If you would like more information on taking care of your teeth and gums during cancer treatment, 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 “Oral Health During Cancer Treatment.”