1. Xylitol is a kind of sugar.
   True or False
2. Xylitol is made from
   1. Bark of birch trees
   2. Coconut shells
   3. Cottonseed hulls
   4. All of the above
3. Xylitol is a natural “sugar alcohol” similar to other so-called sugar alcohols such as mannitol and sorbitol.
   True or False
4. Xylitol is broken down by decay-causing bacteria to produce acid.
   True or False
5. Decay-causing bacteria are transmitted from a parent to a child through oral contact such as a simple lip-to-lip goodnight kiss.
   True or False
6. Researchers have found no difference in prevention of tooth decay in gum made from xylitol compared to gums containing sorbitol/xylitol and sucrose.
   True or False
7. Other xylitol products such as mints, candy and cookies also seem to decrease the incidence of tooth decay.
   True or False
8. Xylitol products increase salivary flow and allow saliva to neutralize acids in your mouth.
   True or False
9. The only side effect of too much xylitol ingestion is a possible mild laxative effect.
   True or False
10. The target dose of xylitol is one to two teaspoons spread throughout the day.
    True or False

1. True. Xylitol is a kind of sugar that does not contribute to tooth decay.
2. All of the above. It is also found naturally in some fruits and vegetables.
3. True. The others, mannitol and sorbitol, are used as sugarless sweeteners.
4. False. Unlike sucrose (table sugar), xylitol is NOT broken down by bacteria to produce acid. Xylitol also stops saliva from becoming acidic so your mouth becomes an unfriendly environment to acid-producing bacteria.
5. True. However, xylitol inhibits growth and attachment of the bacteria to your teeth, so it also inhibits transmission to your children.
6. False. Systematic use of xylitol chewing gum significantly reduces the relative risk of caries (tooth decay) when compared to chewing gums containing sorbitol/xylitol and sucrose. Xylitol gum also appears to halt the development of tiny cavities when compared to other types of chewing gum.
7. True. Use of these products seems to stop the progression of active decay.
8. True. Xylitol and your saliva combine to re-mineralize (harden) your teeth after an acid attack.
9. True.
10. True. This means two pieces of xylitol gum or two pieces of xylitol candy or mints should be consumed for five minutes four times a day after eating meals or snacks.

Contact us today to schedule an appointment to discuss your questions about xylitol and other methods of preventing tooth decay. You can also learn more by reading the Dear Doctor magazine article “Xylitol in Chewing Gum.”

People always wonder when it is appropriate to contact their dentist. To answer this, we have put together the following list to provide some guidelines for you and your family. However, your calls are always welcome! Our goal is simply to give you some clear scenarios that illustrate when you should give us a call or come in to our office.

For Bite Related Problems

1. Early or late loss of baby teeth.
2. Difficulty in chewing or biting.
3. Mouth breathing.
4. Finger sucking or other oral habits.
5. Crowding, misplaced, crooked or even missing teeth.
6. Jaws that shift, jaw joints that “pop” or “click” or are uncomfortable.
7. Any change causing speech difficulty.
8. Cheek or tongue biting.
9. Protruding teeth — large overbite.
10. Teeth that meet in an abnormal way or don't meet at all.
11. Facial imbalance or asymmetry.
12. Grinding or clenching of teeth.

For Injuries And Immediate Care

1. Knocked out permanent tooth: Call us immediately. You need to take action within 5 minutes of the injury for best results.
2. Injuries to lips, cheeks, tongue or gums that appear to require stitches: Call us for instructions as soon as possible.
3. Tooth injury — if a tooth has shifted from its original position: Call us to tell us you are on your way to our office and see us within 6 hours of the injury.
4. Chipped or broken tooth that is still in its original position: See us within 12 hours of the injury.
5. A knocked out baby tooth: Call us as soon as possible.
6. Bleeding without any significant tears in tissue that could require stitches: Call us for instructions.

What To Do Now

If any of the above describe you or another member of your family, then contact us today to discuss your questions or to schedule a consultation. You can also learn more about treating dental injuries by reading the Dear Doctor article, “The Field-Side Guide To Dental Injuries.”

When dentists talk to patients, they often use specialized vocabulary referring to various dental conditions. Do you understand what they mean when they use these words — or are you wondering what they are talking about?

Here's your chance to test your knowledge of ten words that have a particular meaning in the context of dentistry. If you already know them, congratulations! If you don't, here's your chance to learn what these words mean in the dental world.

Enamel
In dentistry, enamel is the hard outer coating of your teeth. It is the hardest substance produced by living animals. It is a non-living, mineralized, and composed of a crystalline form of calcium and phosphate.

Dentin
The dentin is the layer of a tooth that is just beneath the enamel. It is living tissue similar to bone tissue.

Pulp
When dentists speak of pulp, we mean the tissues in the central chamber of a tooth (the root canal) that nourish the dentin layer and contain the nerves of the tooth.

Bruxism
Many people exert excess pressure on their teeth by clenching or grinding them. This is called bruxism, a habit that can be very damaging to teeth.

Occlusion
By this we mean how the upper and lower teeth are aligned, and how they fit together. This can also be referred to as your bite.

Dental caries
This term refers to tooth decay. Dental caries and periodontal disease (see below) are two of the most common diseases known to man. Today, these diseases are not only treatable, but they are also largely preventable.

Periodontal disease
A term for gum disease, this term comes from “peri,” meaning around and “odont,” meaning tooth. It is used to describe a process of inflammation and infection leading to the progressive loss of attachment between the fibers that connect the bone and gum tissues to the teeth. This can lead to loss of teeth and of the bone itself.

Erosion
When you consume acidic foods or drinks, the acids in your mouth react directly with minerals in the outer enamel of your teeth, causing chemical erosion. This is not the same as tooth decay, which is caused by acids released by bacterial film that forms on your teeth (see below).

Dental implant
A dental implant is a permanent replacement for a missing tooth. It replaces the root portion of the tooth and is most often composed of a titanium alloy. The titanium root fuses with the jaw bone, making the implant very stable. A crown is attached to the implant and can be crafted to match your natural teeth.

Plaque
Dental plaque is the whitish film of bacteria (a biofilm) that collects on your teeth. Your goal in daily brushing and flossing is to remove plaque.

Contact us today to schedule an appointment to discuss any questions you may have about your teeth and gums. You can also learn more by reading Dear Doctor magazine article “How and Why Teeth Wear.”

Nearly everyone is familiar with snoring, having either been awakened by a snoring, sleeping partner or by snoring so loudly that you wake yourself up. As if the sounds emanating from snoring weren't bad enough, snoring is no laughing matter and should never be ignored. And why? It can be a sign of other health issues.

Snoring occurs when the soft tissue structures of the upper airway (the back of your throat) collapse onto themselves, the tongue drops back and air is blocked in its movement through the mouth and nose into the lungs. These obstacles cause a vibration that produces the snoring sound. Snoring can also be caused by large tonsils, a long soft palate, a large tongue, the uvula (the tissue in the back of the throat that dangles like a punching bag), and/or fat deposits.

If snoring is more severe, it may denote a medical condition called Obstructive Sleep Apnea (OSA; or just “sleep apnea”). It occurs when the upper airway collapses causing significant airflow disruption or even no airflow whatsoever for 10 seconds or more and can leave you feeling tired, depressed, irritable, as well as cause memory loss and poor concentration. But have no fear; you are not alone, as millions of people worldwide have been diagnosed with this condition. There are also numerous treatment options that we can discuss with you — should you be diagnosed with this problem.

You can learn more about sleep apnea by reading the Dear Doctor article, “Snoring & Sleep Apnea.” Or if you are ready for a thorough examination and to discuss your snoring, contact us today to schedule a consultation.

Just as you would expect, we highly recommend the use of protective mouthguards to anyone participating in contact sports or rigorous physical exercise. The primary reasons we feel this way are substantiated by evidence-based research and experience within our practice. If you don't think mouthguards are helpful, here are some facts you should know:

• Research conducted by the American Dental Association (ADA) found that individuals are 60 times more likely to damage their teeth when not wearing a mouthguard while engaged in contact sports or rigorous physical exercise. This shocking fact alone illustrates the importance of protective mouthguards.
• A study reported by the American Academy of General Dentistry (AAGD) found that mouthguards prevent more than 200,000 injuries to the mouth and/or teeth each year.
• Sports-related injuries often end-up in the emergency room; however, the US Centers for Disease Control (CDC) reports that more than 600,000 of these visits involve injury or damage to the teeth and mouth.
• In addition to the trauma of having a tooth (or teeth) knocked out, individuals who have suffered from this type of injury may end up spending $10,000 to $20,000 per tooth over a lifetime for teeth that are not properly preserved and replanted. This staggering statistic is from the National Youth Sports Foundation for Safety.
• While protective mouthguards were first used in the sport of boxing during the 1920s, the ADA now recommends their use in 29 (and growing) different high contact sports and activities. Some of these include acrobatics, baseball, basketball, bicycling, field hockey, football, handball, ice hockey, lacrosse, martial arts, skateboarding, skiing, soccer, softball, volleyball and wrestling.
• It used to be that only males were considered when it came to needing mouthguards. However, recent studies have revealed that the growing interest and participation of females in these same sports and activities makes it just as important for them to protect their teeth.

To learn more about the importance of mouthguards, continue reading the Dear Doctor magazine article “Athletic Mouthguards.” You can also contact us today to schedule an appointment or to discuss your questions about protecting your mouth and teeth. And if you have already suffered from a dental injury, let us evaluate the damage and work with you to restore the health and beauty of your teeth.