My Blog

Posts for: January, 2016

By Vicki H Zhu, DMD, PC
January 23, 2016
Category: Dental Procedures
NewFrontTeethforaTeenagedDavidDuchovny

In real life he was a hard-charging basketball player through high school and college. In TV and the movies, he has gone head-to-head with serial killers, assorted bad guys… even mysterious paranormal forces. So would you believe that David Duchovny, who played Agent Fox Mulder in The X-Files and starred in countless other large and small-screen productions, lost his front teeth… in an elevator accident?

“I was running for the elevator at my high school when the door shut on my arm,” he explained. “The next thing I knew, I was waking up in the hospital. I had fainted, fallen on my face, and knocked out my two front teeth.” Looking at Duchovny now, you’d never know his front teeth weren’t natural. But that’s not “movie magic” — it’s the art and science of modern dentistry.

How do dentists go about replacing lost teeth with natural-looking prosthetics? Today, there are two widely used tooth replacement procedures: dental implants and bridgework. When a natural tooth can’t be saved — due to advanced decay, periodontal disease, or an accident like Duchovny’s — these methods offer good looking, fully functional replacements. So what’s the difference between the two? Essentially, it’s a matter of how the replacement teeth are supported.

With state-of-the-art dental implants, support for the replacement tooth (or teeth) comes from small titanium inserts, which are implanted directly into the bone of the jaw. In time these become fused with the bone itself, providing a solid anchorage. What’s more, they actually help prevent the bone loss that naturally occurs after tooth loss. The crowns — lifelike replacements for the visible part of the tooth — are securely attached to the implants via special connectors called abutments.

In traditional bridgework, the existing natural teeth on either side of a gap are used to support the replacement crowns that “bridge” the gap. Here’s how it works: A one-piece unit is custom-fabricated, consisting of prosthetic crowns to replace missing teeth, plus caps to cover the adjacent (abutment) teeth on each side. Those abutment teeth must be shaped so the caps can fit over them; this is done by carefully removing some of the outer tooth material. Then the whole bridge unit is securely cemented in place.

While both systems have been used successfully for decades, bridgework is now being gradually supplanted by implants. That’s because dental implants don’t have any negative impact on nearby healthy teeth, while bridgework requires that abutment teeth be shaped for crowns, and puts additional stresses on them. Dental implants also generally last far longer than bridges — the rest of your life, if given proper care. However, they are initially more expensive (though they may prove more economical in the long run), and not everyone is a candidate for the minor surgery they require.

Which method is best for you? Don’t try using paranormal powers to find out: Come in and talk to us. If you would like more information about tooth replacement, please contact us or schedule an appointment for a consultation. You can learn more in the Dear Doctor magazine articles “Crowns & Bridgework,” and “Dental Implants.”


By Vicki H Zhu, DMD, PC
January 08, 2016
Category: Oral Health
Tags: ulcers   canker sores  
PlaguedbyMysteriousMouthUlcers

Do you ever get sores in your mouth that seem to appear for no reason and then disappear just as mysteriously? Chances are they’re aphthous ulcers — better known as canker sores.

These are irritating breaks in the protective lining of the mouth (oral mucosa) — akin to a blister without its dome — that are yellowish/grayish in the center surrounded by an aggravated red border. They typically develop in movable, thinner oral membranes such as the cheeks and lips, under the tongue, or the soft palate at the back of the mouth. Because they expose underlying tissues, canker sores can be quite painful, especially when eating or drinking.

Recurrent aphthous ulcers (RAS) affect up to 25% of the population, making them one the most common oral conditions. They are considered “minor” when they are smaller and “major” when they exceed 1 centimeter in diameter. Larger ones take more time to heal and may cause scarring. A less common type is herpetiform aphthae, so named because the small clusters of ulcers that characterize it are similar in appearance to those caused by the herpes simplex virus (HSV1). However, unlike herpes-related cold sores and fever blisters, canker sores in any form are not contagious. Another difference is that ulcers from the herpes virus occur more frequently on the gums and hard palate.

No Clear Cause

There is no clear cause for canker sores. They often appear during stressful periods and times when resistance is down, suggesting an immune system malfunction. They may also be an allergic reaction to ingredients in food or oral products like toothpaste or mouthwash or related to an underlying medical conditions such as gastrointestinal diseases or nutritional deficiencies.

Canker sores usually resolve on their own within seven to ten days. Various over-the-counter and prescription treatments can help facilitate healing and help minimize pain along the way. If they do not resolve within two weeks; or they increase in severity, frequency or duration; or you’re never without a mouth sore it’s important to seek dental or medical attention as they could signify a more serious condition.

If you would like more information about canker sores, please contact us or schedule an appointment for a consultation. You can also learn more about the subject by reading the Dear Doctor magazine article “Mouth Sores.”