Posts for: January, 2016
One of the most widely used forms of dental imaging is the bitewing x-ray. So called because of the shape of the device that holds the exposable film a patient clenches between their back teeth, the bitewing x-ray is an effective means for detecting the earliest stages of tooth decay.
These early signs are small lesions on a tooth surface caused by mineral loss in the enamel. While we can identify them on front teeth through visual examination or bright lighting, they’re nearly impossible to see on the biting surfaces of back teeth. The bitewing x-ray solves this problem.
During the procedure, a narrow beam of x-rays is directed at the back teeth area. Since X-rays can transmit through solid matter, they pass through the teeth and gums to expose the film attached to the bitewing assembly.
X-rays pass through matter at different rates depending on the density of the tissue — a slower rate for harder tissues like teeth and bone and a faster rate for soft tissues like the gums. As a result, x-rays through teeth expose less of the film and appear as a lighter image than the gums. This difference is so precise even a tooth’s softer dentin appears slighter darker than its harder outer enamel.
This precision helps us identify decay lesions. Because the lesions on the enamel are less dense than the normal enamel, they’ll appear as dark spots. By detecting them at this stage we have a better chance for reversing the effects of decay or at least minimizing damage that’s already occurred.
Because x-rays emit radiation, there’s a natural concern about over-exposure and we go to great lengths to reduce it. Children may undergo a bitewing x-ray twice a year for developing teeth, while adults with healthy teeth are typically x-rayed just once a year. Advances in digital film and other technology have also helped lower the exposure rate.
Today’s standard 4-film bitewing x-ray produces about four days worth of what we receive on average from normal background radiation, so the health risk is quite negligible. The benefit, on the other hand, is much greater — the early detection of tooth decay could ultimately save a tooth.
As is the case with most celebs today, Beyonce is no stranger to sharing on social media… but she really got our attention with a video she recently posted on instagram. The clip shows the superstar songstress — along with her adorable three-year old daughter Blue Ivy — flossing their teeth! In the background, a vocalist (sounding remarkably like her husband Jay-Z) repeats the phrase “flossin’…flossin’…” as mom and daughter appear to take care of their dental hygiene in time with the beat: https://instagram.com/p/073CF1vw07/?taken-by=beyonce
We’re happy that this clip highlights the importance of helping kids get an early start on good oral hygiene. And, according to authorities like the American Dental Association and the American Academy of Pediatric Dentistry, age 3 is about the right time for kids to begin getting involved in the care of their own teeth.
Of course, parents should start paying attention to their kids’ oral hygiene long before age three. In fact, as soon as baby’s tiny teeth make their first appearance, the teeth and gums can be cleaned with a soft brush or cloth and a smear of fluoride toothpaste, about the size of a grain of rice. Around age 3, kids will develop the ability to spit out toothpaste. That’s when you can increase the amount of toothpaste a little, and start explaining to them how you clean all around the teeth on the top and bottom of the mouth. Depending on your child’s dexterity, age 3 might be a good time to let them have a try at brushing by themselves.
Ready to help your kids take the first steps to a lifetime of good dental checkups? Place a pea-sized dab of fluoride toothpaste on a soft-bristled brush, and gently guide them as they clean in front, in back, on all surfaces of each tooth. At first, it’s a good idea to take turns brushing. That way, you can be sure they’re learning the right techniques and keeping their teeth plaque-free, while making the experience challenging and fun.
Most kids will need parental supervision and help with brushing until around age 6. As they develop better hand-eye coordination and the ability to follow through with the cleaning regimen, they can be left on their own more. But even the best may need some “brushing up” on their tooth-cleaning techniques from time to time.
What about flossing? While it’s an essential part of good oral hygiene, it does take a little more dexterity to do it properly. Flossing the gaps between teeth should be started when the teeth begin growing close to one another. Depending on how a child’s teeth are spaced, perhaps only the back ones will need to be flossed at first. Even after they learn to brush, kids may still need help flossing — but a floss holder (like the one Beyonce is using in the clip) can make the job a lot easier.
If you would like more information about maintaining your children’s oral hygiene, please contact us or schedule an appointment for a consultation. You can learn more by reading the Dear Doctor magazine articles “Top 10 Oral Health Tips For Children” and “How to Help Your Child Develop the Best Habits for Oral Health.”