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Computerized Dental Radiography

These days, computers are really changing the way we live and work. You've probably experienced their impact in your own home. And believe me, technology is also helping raise our dental practice to a new level of safety, accuracy, and comfort.

Keeping up with all these advances is a full-time occupation that's as important as my work at chairside. One of the most promising of these breakthroughs is an improvement on the oldest evaluation technology we have - dental x-rays.

For close to a century, dentists have used x-rays to detect cavities and damage invisible to the eye. We've long been aware of the drawbacks. Though x-ray radiation is slight, many patients find it a cause for concern. And reading the negative requires a skilled, professional eye-which means my patients can't see what I see.

That's why my office uses a Computed Dental Radiography System as an x-ray alternative. A computer enhances a "photo" of your teeth and shows it instantly on a screen. This new system requires 90% less radiation than the old film x-rays, and can magnify the image up to 300 times. It's as easy to read as a snapshot. When I discuss something I see in your mouth, you'll be able to view it right along with me.

This is an exciting time to be a dentist. We're re-thinking and refining virtually every aspect of our dental practice, and I wanted to pass a bit of it along to you.

+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.

What Occurs During A Dental Examination

During a dental examination, the dentist examines the soft tissues of the mouth for any abnormalities or pathology (including oral cancer), the teeth for tooth decay or defects, the gum tissues for periodontal (gum) disease, the neck for swollen lymph nodes, the amount of plaque, tartar, and debris on teeth, as well as the need to replace any missing teeth or dental prostheses. Regular examinations by a dentistry professional are crucial to maintaining your dental health and are a necessity in any dental care plan.

Dentists begin the dental examination with a complete dental and medical history, including medications the patient is currently taking. The skin of the face and neck is examined for any abnormalities, especially pigment changes. The lymph nodes in front and behind the ears, under the floor of the mouth and chin, and the midline of the neck, sides, and back of the neck are palpated to determine if any swelling or tenderness is present.

Inside of the mouth, the lips, cheeks, gums, and roof of the mouth are inspected and palpated. During this process, the tip of the tongue is placed on the roof of the mouth just behind the upper teeth for inspection of the front floor of the mouth and sides of the tongue.

The back floor of the mouth, the area behind the lower wisdom teeth, and the back sides of the tongue are inspected by grasping the tip of the tongue with a small gauze sponge and pulling the tongue forward and toward the opposite side of the mouth.

To inspect the back of the throat, soft palate, and tonsil area (sides of the throat), the tongue is depressed with a dental mirror or tongue blade and then a deep breath is taken by the patient.

To detect swelling on the floor of the mouth, the area inside the mouth is felt with the finger of one hand while a finger of the other hand feels below the chin. Salivary gland enlargement, saliva flow, or xerostomia (dry mouth) are determined by milking the major salivary glands to assess the quantity and consistency of saliva.

Today's dentist has many analytic tools available to pinpoint dental and oral diseases. The basic tools are the dental instruments, lights, and radiographs (X-rays). Depending upon the dentist and the individual's dentistry needs, additional diagnostic tests are available. Testing for essential proteins and buffering capacity can evaluate the protective ability of saliva.

To determine tooth decay risks, microbiological testing of saliva can measure the level of decay-producing organisms. Periodontal susceptibility tests, which test for the DNA of gum disease-producing organisms, can be performed to assess an individual's risk for gum disease.

If removable dentures are present, dentists check them for bite, retention, stability, and overall fit. Dental impressions or models also may be taken to study the mouth and tooth structures to initiate fabrication of prostheses. Photographs may be exposed for a variety of reasons, including before and after treatment comparisons.

The level of oral hygiene and home dental care practices are assessed and reviewed. Recommendations for home care devices and products may be made. Instruction and methods for maintaining a good oral hygiene regimen can also take place.

Once basic information about dental health status is gathered, the dentist will be better able to discuss dental care plans that are available.

By Denise J. Fedele, DMD, MS

+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.