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Research Your Dentistry and Dental Care Frequently Asked Questions

Q. What is endodontics?

A. Endodontics is the area of dentistry that specifically deals with what is called the pulp within a tooth.

Q. What is dental pulp?

A. The dental pulp is a soft tissue comprised of tiny arteries, veins, nerves and lymph vessels for the tooth.

Q. Where does the term root canal come from?

A. The tooth is comprised of three basic components. The first component is the crown/enamel, which is seen by the naked eye.

The next level of the tooth is dentin, which is under the enamel and the "housing” for the dental pulp. The final component is the dental pulp and is the core of the tooth. This bulk of the dental pulp is in the center of the tooth or the pulp chamber, and is connected to the Mandibular Canal through the root canals. The root canals are like veins for the dental pulp.

Q. What does the procedure root canal mean?

A. Root canal has become a term for a procedure involving the dental pulp. When the dental pulp has been exposed and damaged, it must be treated professionally and this process is usually referred to as getting a root canal.

Q. What does a root canal procedure entail?

A. Once the dental pulp has been infected, it must be removed from both the pulp chamber and the root canals. Once it has been removed, the pulp chamber and root canals are thoroughly cleaned and enlarged. Based on the level of infection, the dentists may choose to clean the area more than once. After the area is free of infection, the dentist will fill the root canals and pulp chamber with a filling that will prevent any bacteria from entering the area. Finally, the dentist will place a crown over the tooth to restore it to its original shape.

Q. What causes dental pulp to become damaged or infected?

A. Normally, when a deep cavity occurs, it exposes the dental pulp to the bacteria inside the mouth. When exposed to this bacteria, the dental pulp can become infected and thus cause the inside of the tooth to be infected.

Q. What can happen if infected dental pulp is not treated?

A. Overtime, the infected pulp will die. At the same time, pus from the infection will develop at the base of the tooth and cause an abscess to form. If this occurs, it is not uncommon for the abscess to cause the bone holding the tooth to deteriorate. If this deterioration becomes too severe, the tooth will fall out.

Q. What role does the computer play in the dental care industry?

A. In the future, patient records may be kept on computer disks, including visual images captured on intraoral cameras. A computerized workstation beside the patient’s chair will give the dentist the ability to view the patient’s history from disk.

Also, the dentist might use a voice-recognition system to ask the computer to assist in finding that data, or create a “before and after” image so the patient can preview the result of dental work before it is done.

+Jim Du Molin is a leading Internet search expert helping individuals and families connect with the right dentist in their area. Visit his author page.

Why Dentists Say No To Smokeless Tobacco

"Dip" ... "Chew" ... "Pinch" ... "Snuff" ... "Dirt" ... "Plug" ... all are different names for smokeless tobacco, a finely ground version of processed tobacco. No matter the name, smokeless tobacco is harmful and puts your health at risk. Chew on these facts (Don't believe it? Talk to dentists):

• About 30,000 new cases of oral cancer will be diagnosed in 1999.*
• More than 8,000 oral cancer patients will die this year.
• Tobacco products cause about 75% of oral cancers affecting the mouth, tongue, lips, throat, and parts of the nose and larynx.
• Nearly 30 cancer-causing substances have been found in smokeless tobacco.
• One can of smokeless tobacco a day delivers as much nicotine as 60 cigarettes!
• You have a 50% greater risk of developing oral cancer with long-term use of smokeless tobacco.
• Cancer Facts and Figures, American Cancer Society, 1999

Smokeless tobacco has been glorified over time by images of "macho" men performing feats of fame and prowess, whether as athletes, rodeo cowboys, or country music stars. In reality, many want to kick the habit, but nicotine is addictive. It's hard for them to quit.

In a survey of major league baseball players, more than a third reported they had mouth sores, white patches, or gum problems. Nearly 60% said they wanted to quit. The nicotine actually decreases performance, causing dizziness and slowed reaction time.

Smokeless tobacco causes problems for your oral health:

• White, leathery patches in your mouth or lips
• Painful sores that may be pre-cancerous or cancerous
• Yellow teeth and permanent tobacco-stained teeth
• Exposed tooth roots from receding gums, likely to become decayed, sensitive, and painful
• Cavities from the sugar added to the tobacco
• Bad breath
• Greater risk for developing oral cancer

Additionally, smokeless tobacco can affect your general health causing:

• Increased blood pressure and heart rate
• A greater risk of heart attack
• Withdrawal symptoms ranging from headaches, moodiness, and problems concentrating when you try to quit
• Cancer that can be fatal

If you use smokeless tobacco, chew all these facts over. Choose to quit. Your health is serious business. Talk to dentists about getting help to quit. Make the right choice -- it's for your body, your health, and maybe even your life.

By Thomas Warner, DDS

+Jim Du Molin is a leading Internet search expert helping individuals and families connect with the right dentist in their area. Visit his author page.