My Blog

By Kenneth Woo, DDS and Associates
May 23, 2017
Category: Dental Procedures
BracesTakeAdvantageofTeethsNaturalAbilitytoMove

There are many new and exciting ways now to transform an unattractive smile into one you'll be confident to display. But not all “smile makeover” techniques are new — one in particular has been around for generations: using braces to correct crooked teeth.

Braces have improved the smiles (and also dental health) for millions of people. But as commonplace this orthodontic treatment is, it wouldn't work at all if a natural mechanism for moving teeth didn't already exist. Braces “partner” with this mechanism to move teeth to better positions.

The jawbone doesn't actually hold teeth in place — that's the job of an elastic gum tissue between the teeth and bone called the periodontal ligament. Tiny fibers extending from the ligament attach to the teeth on one side and to the bone on the other. In addition to securing them, the dynamic, moldable nature of the ligament allows teeth to move incrementally in response to forces applied against them.

To us, the teeth feel quite stationary (if they don't, that's a problem!). That's because there's sufficient length of the tooth roots that are surrounded by bone, periodontal ligament and gum tissue. But when pressure is applied against the teeth, the periodontal ligament forms both osteoblasts (bone-forming cells) and osteoclasts (bone-resorbing cells) causing the bone to remodel. This allows the teeth to move to a new position.

Braces take advantage of this in a controlled manner. The orthodontist bonds brackets to the outside face of the teeth through which they pass a thin metal wire. They attach the ends of the wire to the brackets (braces), usually on the back teeth. By using the tension placed in the wire, the orthodontist can control the gradual movement of teeth to achieve proper function and aesthetics. The orthodontist continues to monitor the treatment progress, while making periodic adjustments to the tension.

It takes time, but through this marvelous interplay between nature and dental science you'll gain a more healthy and beautiful smile.

If you would like more information on improving your smile with orthodontics, 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 “Moving Teeth with Orthodontics.”

By Kenneth Woo, DDS and Associates
May 08, 2017
Category: Dental Procedures
DontBreakItLikeBeckham

During his former career as a professional footballer (that's a soccer star to U.S. sports fans) David Beckham was known for his skill at “bending” a soccer ball. His ability to make the ball curve in mid-flight — to avoid a defender or score a goal — led scores of kids to try to “bend it like Beckham.” But just recently, while enjoying a vacation in Canada with his family, “Becks” tried snowboarding for the first time — and in the process, broke one of his front teeth.

Some fans worried that the missing tooth could be a “red card” for Beckham's current modeling career… but fortunately, he headed straight to the dental office as soon as he arrived back in England. Exactly what kind of treatment is needed for a broken tooth? It all depends where the break is and how badly the tooth is damaged.

For a minor crack or chip, cosmetic bonding may offer a quick and effective solution. In this procedure, a composite resin, in a color custom-made to match the tooth, is applied in liquid form and cured (hardened) with a special light. Several layers of bonding material can be applied to re-construct a larger area of missing tooth, and chips that have been saved can sometimes be reattached as well.

When more tooth structure is missing, dental veneers may be the preferred restorative option. Veneers are wafer-thin shells that are bonded to the front surface of the teeth. They can not only correct small chips or cracks, but can also improve the color, spacing, and shape of your teeth.

But if the damage exposes the soft inner pulp of the tooth, root canal treatment will be needed to save the tooth. In this procedure, the inflamed or infected pulp tissue is removed and the tooth sealed against re-infection; if a root canal is not done when needed, the tooth will have an increased risk for extraction in the future. Following a root canal, a tooth is often restored with a crown (cap), which can look good and function well for many years.

Sometimes, a tooth may be knocked completely out of its socket; or, a severely damaged tooth may need to be extracted (removed). In either situation, the best option for restoration is a dental implant. Here, a tiny screw-like device made of titanium metal is inserted into the jaw bone in a minor surgical procedure. Over time, it fuses with the living bone to form a solid anchorage. A lifelike crown is attached, which provides aesthetic appeal and full function for the replacement tooth.

So how's Beckham holding up? According to sources, “David is a trooper and didn't make a fuss. He took it all in his stride." Maybe next time he hits the slopes, he'll heed the advice of dental experts and wear a custom-made mouthguard…

If you have questions about restoring damaged teeth, please contact our office to schedule a consultation. You can read more in the Dear Doctor magazine articles “Trauma and Nerve Damage to Teeth” and “Children's Dental Concerns and Injuries.”

By Kenneth Woo, DDS and Associates
April 30, 2017
Category: Dental Procedures
TechniquesforKeepingImpactedCanineTeethfromSpoilingYourSmile

Although usually an orderly process, some permanent teeth don't come in as they should. In fact, they may not come in at all and remain hidden in the gum — a situation called impaction. This creates multiple problems for function, health and, in the case of front canines, appearance.

Canines are the longer and more pointed teeth on each side of the front-most incisors. They help tear and cut food during chewing, a function impaction eliminates. Besides a higher risk for developing abscesses (isolated areas of infection) and cysts, they can also put pressure on neighboring teeth and damage their roots or cause them to erupt abnormally.

Dentists often remove impacted wisdom and other back teeth to lessen these potential problems. Removing canines, though, has additional considerations: besides compromising ideal chewing function, missing canines often create an unattractive smile.

But before considering removal, there's another technique we might be able to use to save the canines and actually draw them down through the gums to their correct position. It's usually part of an overall orthodontic plan to correct a poor bite (malocclusion).

After pinpointing their exact position with x-rays or CT scanning, a surgeon surgically exposes the impacted canines' crowns through the gums. They then bond small brackets to the crowns and attach a small gold chain to each bracket. They fasten the other end of the chains to orthodontic hardware that exerts downward pressure on the impacted teeth. Over several months this pressure can help move the teeth into their normal positions.

Unfortunately, this technique isn't always advisable: one or more of the impacted teeth may be in a difficult position to attempt it. It's usually best in these situations to remove the teeth, usually sooner rather than later for the sake of neighboring teeth.

Fortunately, with today's advanced restorative techniques, we can eventually replace the canines with dental implants, although that's best undertaken after the patient enters adulthood. In the meantime, we can utilize orthodontic means to preserve the open space and provide a temporary restorative solution.

Whatever route taken, these teeth don't have to become a source of problems, especially for your appearance. Whether through orthodontics or restorative dentistry, impacted canines don't have to ruin your smile.

If you would like more information on various orthodontic procedures, 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 “Exposing Impacted Canines.”

By Kenneth Woo, DDS and Associates
April 20, 2017
Category: Dental Procedures
Tags: orthodontics   braces   Invisalign  

What your dentists in Kensington and Gaithersburg want you to knowinvisalign

If you have bite alignment problems or teeth that are out of position, you may be thinking about orthodontic treatment. There are many different orthodontic treatments to choose from, but there is one orthodontic treatment that stands out above the rest; it’s Invisalign, the virtually invisible way to straighten your smile. Your dentists at Kenneth Woo, DDS & Associates want to help you discover the magic of Invisalign. They have offices in Kensington and Gaithersburg, MD, to serve you.

Thanks to Invisalign, you can have a straight, beautiful smile discreetly and in a short period of time. You don’t have to settle for unsightly metal brackets and wires or wearing braces for years.

When you choose Invisalign, you can count on these important advantages:

  • Unrivaled comfort, because there are no metal parts, only smooth, comfortable plastic
  • Unmatched convenience, because the appliances can be removed to eat the foods you love
  • Renewed confidence, because you know the appliances aren’t noticeable to the people around you

Invisalign is also a much healthier choice than conventional braces because you can remove the appliance to brush and floss your teeth normally. This helps prevent decay in between your teeth and inflamed gum tissue after the braces are removed. You don’t have to sacrifice your oral health for a straight smile!

Invisalign can correct the same functional and aesthetic issues as conventional braces including:

  • Rotated, badly aligned teeth
  • Overlapped or widely spaced teeth
  • Overbite and underbite
  • Crossbite and open bite

Invisalign treatment consists of clear plastic appliances called aligners which you wear for two week periods. You change to a new set of aligners every two weeks until your treatment is complete. The entire Invisalign treatment takes about nine to fifteen months. Imagine, just a few months to a new, straight smile!

You deserve to discover the advantages of Invisalign for yourself. For more information about Invisalign treatment, call your dentists at Kenneth Woo, DDS & Associates, with offices in Kensington and Gaithersburg, MD. Don’t wait for your straight smile. Call today!

By Kenneth Woo, DDS and Associates
April 15, 2017
Category: Dental Procedures
Tags: celebrity smiles   veneers  
VivicasVeneerstheMakingofaHollywoodSmile

What's an actor's most important feature? According to Vivica A. Fox, whose most recent big-screen role was in Independence Day: Resurgence, it's what you see right up front.

"On screen, your smile and your eyes are the most inviting things that bring the audience in" she said. "Especially if you play the hot chick."

But like lots of people, Vivica reached a point where she felt her smile needed a little help in order to look its best. That's when she turned to a popular cosmetic dental treatment.

"I got veneers years ago," Ms. Fox told Dear Doctor magazine in a recent interview, "just because I had some gapping that probably only I noticed."

What exactly are dental veneers? Essentially, they are thin shells of lustrous porcelain that are permanently attached to the front surfaces of the teeth. Tough, lifelike and stain-resistant, they can cover up a number of defects in your smile — including stains, chips, cracks, and even minor spacing irregularities like the ones Vivica had.

Veneers have become the treatment of choice for Hollywood celebs — and lots of regular folks too — for many reasons. Unlike some treatments that can take many months, it takes just a few appointments to have veneers placed on your teeth. Because they are custom made just for you, they allow you to decide how bright you want your smile to be: anywhere from a natural pearly hue to a brilliant "Hollywood white." Best of all, they are easy to maintain, and can last for many years with only routine care.

To place traditional veneers, it's necessary to prepare the tooth by removing a small amount (a millimeter or two) of its enamel surface. This keeps it from feeling too big — but it also means the treatment can't be reversed, so once you get veneers, you'll always have them. In certain situations, "no-prep" or minimal-prep veneers, which require little or no removal of tooth enamel, may be an option for some people.

Veneers aren't the only way to create a better smile: Teeth whitening, crowns or orthodontic work may also be an alternative. But for many, veneers are the preferred option. What does Vivica think of hers?

"I love my veneers!" she declared, noting that they have held up well for over a decade.

For more information about veneers, please contact us or schedule an appointment for a consultation.





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