Posts for: August, 2020
The dental implant is the closest thing in modern dentistry to a natural tooth. This is because an implant replaces more than the visible crown — it also replaces the root, thanks to a metal post imbedded in the bone.
But what if you have a metal allergy — are you out of luck replacing a tooth with an implant? Before answering this question, let's take a closer look at metal allergies.
An allergy is an overreaction of the body's immune system to a particular foreign substance. This response can be as inconsequential as a minor rash or as life-threatening as a shutdown of the body's organ systems. You can be allergic to anything, including metals.
Usually, these allergies are to specific kinds of metals. For example, about 17% of women and 3% of men are allergic to nickel, while smaller percentages are allergic to cobalt or chromium. Most allergic reactions to metal occur from external contact with jewelry or similar metal items that create rashes or other anomalies on the skin. On a more serious note, an allergy to metal in a body replacement part could result in the body rejecting it.
Metals have also played an important role in dental care, particularly dental amalgam used for tooth fillings. Dental amalgam is a mixture of a precious metal like gold or silver with other metals like copper, tin and, in small amounts, mercury. While dental amalgam has been used safely for decades, there have been rare cases of inflammation or rashes.
This brings us to dental implants and the most common metal used in them, titanium. The commercial version of this metal is highly prized in medical and dental applications because it has a special affinity with bone. Bone cells readily grow and adhere to the metal, which strengthens the bond between the implant and the jawbone.
Even if you have a rare allergy to certain metals, it's even rarer that would include titanium. In one particular study of 1,500 implant patients less than 1% reported any reaction at all.
If you're concerned, you can undergo testing to see if you react to titanium. More than likely, though, you'll be able to join the millions of other patients who have successfully restored their smiles with dental implants.
If you would like more information on dental implants as a tooth replacement option, 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 “Metal Allergies to Dental implants.”
According to Forbes Magazine, Kylie Jenner is the world's youngest billionaire at age 22. Daughter of Caitlyn (Bruce) Jenner and Kris Jenner, Kylie is the founder and owner of the highly successful Kylie Cosmetics, and a rising celebrity in her own right. But even this busy CEO couldn't avoid an experience many young people her age go through each year: having her wisdom teeth removed.
At around 10 million removals each year, wisdom teeth extraction is the most common surgical procedure performed by oral surgeons. Also called the third molars, the wisdom teeth are in the back corners of the jaws, top and bottom. Most people have four of them, but some have more, some have fewer, and some never have any. They're typically the last permanent teeth to come in, usually between ages 17 and 25.
And therein lies the problem with wisdom teeth: Many times, they're coming in late on a jaw already crowded with teeth. Their eruption can cause these other teeth to move out of normal alignment, or the wisdom teeth themselves may not fully erupt and remain fully or partially within the gums (a condition called impaction). All of this can have a ripple effect, decreasing dental function and increasing disease risk.
As Kylie Jenner has just experienced, they're often removed when problems with bite or instances of diseases like tooth decay or gum disease begin to show. But not just when problems show: It's also been a common practice to remove them earlier in a kind of “preemptive strike” against dental dysfunction. But this practice of early wisdom teeth extraction has its critics. The main contention is that early extractions aren't really necessary from a medical or dental standpoint, and so patients are unduly exposed to surgical risks. Although negative outcomes are very rare, any surgical procedure carries some risk.
Over the last few years, a kind of middle ground consensus has developed among dentists on how to deal with wisdom teeth in younger patients. What has emerged is a “watch and wait” approach: Don't advise extraction unless there is clear evidence of developing problems. Instead, continue to monitor a young patient's dental development to see that it's progressing normally.
Taking this approach can lead to fewer early wisdom teeth extractions, which are postponed to a later time or even indefinitely. The key is to always do what's best for a patient's current development and future dental health.
Still, removing wisdom teeth remains a sound practice when necessary. Whether for a high school or college student or the CEO of a large company, wisdom teeth extraction can boost overall dental health and development.
If you would like more information about wisdom teeth and their impact on dental health, please contact us or schedule a consultation. To learn more, read the Dear Doctor magazine article “Wisdom Teeth: To Be or Not to Be?”
There's ample evidence tobacco smoking increases your risk for tooth decay and periodontal (gum) disease. But the same may be true for electronic cigarettes (E-cigs): Although millions have turned to “vaping” believing it's a safer alternative to smoking, there are growing signs it might also be harmful to oral health.
An E-cig is a device with a chamber that holds a liquid solution. An attached heater turns the liquid into a vapor the user inhales, containing nicotine, flavorings and other substances. Because it doesn't contain tar and other toxic substances found in tobacco, many see vaping as a safer way to get a nicotine hit.
But a number of recent research studies seem to show vaping isn't without harmful oral effects. A study from Ohio State University produced evidence that E-cig vapor interferes with the mouth's bacterial environment, or oral microbiome, by disrupting the balance between harmful and beneficial bacteria in favor of the former. Such a disruption can increase the risk for gum disease.
Other studies from the University of Rochester, New York and Universit? Laval in Quebec, Canada also found evidence for vaping's negative effects on oral cells. The Rochester study found astringent flavorings and other substances in vaping solutions can damage cells. The Quebec study found a staggering increase in the normal oral cell death rate from 2% to 53% in three days after exposure to E-cig vapor.
Nicotine, E-cig's common link with tobacco, is itself problematic for oral health. This addictive chemical constricts blood vessels and reduces blood flow to the mouth's tissues. This not only impedes the delivery of nutrients to individual cells, but also reduces available antibodies necessary to fight bacterial infections. Regardless of how nicotine enters the body—whether through smoking or vaping—it can increase the risk of gum disease.
These are the first studies of their kind, with many more needed to fully understand the effects of vaping on the mouth. But the preliminary evidence they do show should cause anyone using or considering E-cigs as an alternative to smoking to think twice. Your oral health may be hanging in the balance.