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The Art of Good Replacement Teeth

Some affordable dentures - sort of "ready to wear" - are stamped out of denture material, and resemble not so much real teeth as the surface of your bathtub.

False teeth that look and work best are more complicated. There are a hundred clinical and esthetic choices - about material, light, color - to achieve the most natural look and function. And every individual has different requirements.

How does a denturist decide just how to construct your prosthodontics? How do they know what tooth "size" you wear?

Some of the considerations:

Base material. Some bases absorb more moisture, which can affect the fit. Color should range from coral near teeth to pinkish near the base.

Tooth shape, length, edge. Depending on age - and even gender - there are differences in the shape and color of teeth. Generally, the front teeth are lighter than the cuspids next door. Some dentists work from photographs or your old denture to construct the nearest thing to your natural dentition.

Texture. Rather than smooth as glass, replacement teeth should have some texture on the surface, especially "uppers," to work properly when you eat and speak. How much texture is yet another factor in the fit?

Good false teeth are a labor of love. Then again, most dentists believe that good denture care is both a science and an art.

+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.

Is It Time for New Dentures?

Dentures that fit well can improve your looks and enhance eating and speaking. Talk to your prosthodontist about your current situation and whether you need new dentures. In general, the life expectancy of false teeth is about five to seven years.

Factors that affect the satisfaction and life span of your prosthodontics include:

• General health status
• Significant weight increase or decrease
• Time since loss of teeth
• Denture care and cleaning
• Tobacco and caffeine use
• Shape of your mouth
• Changes in facial and oral muscles
• Variation in skin tone or color

The color match of false teeth to a natural tooth color can seem to change, especially if the natural teeth are darker due to stains or lighter because of past dental treatment. Also, dentures can wear, stain, chip, or fracture over time. Today's denturists are able to modify the look of smiles and gum tissues in order to compliment existing teeth, skin color, or tone.

Dentures, like all manufactured goods, require regular maintenance and eventual replacement. To maintain proper fit, appearance, function, and to avoid any damage to oral structure, a prosthodontist should regularly evaluate your false teeth. The gum and bone tissues that support dentures undergo changes over time and with age. Often, these changes include a good amount of bone shrinkage. Bone shrinkage causes a denture to become loose, less functional, and slip during eating and speaking. Age-related changes in facial muscles, complexion, and lips also will affect the function and appearance of your prosthodontics. Oral hygiene habits, use of tobacco, and drinking coffee or tea will also affect the appearance of a denture, as well as any odors associated with them.

Since dentures are in use every day, for many years, it is reasonable to periodically replace those that no longer fit properly. If you have not visited a denturist recently, if your false teeth slip, have lost their good looks, cause discomfort, or if they are more than five years old, you may need to replace them.

by Denise J. Fedele, D.M.D., M.S.

+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.