Dennis J Norheim DDS

FOR IMMEDIATE RELEASE
(Free-Press-Release.com) January 30, 2010 -- Dennis J Norheim DDS - Dr Dennis J Norheim

Tooth development is the complex process by which teeth form from embryonic cells, grow, and erupt into the mouth. Although many diverse species have teeth, non-human tooth development is largely the same as in humans. For human teeth to have a healthy oral environment, enamel, dentin, cementum, and the periodontium must all develop during appropriate stages of fetal development. Primary (baby) teeth start to form between the sixth and eighth weeks in utero, and permanent teeth begin to form in the twentieth week in utero. If teeth do not start to develop at or near these times, they will not develop at all.
Dennis J Norheim A lot of people have anxiety about going to the dentist. These facts can help put you on the right path to good oral health and avoid having dental problems in the future.
Dental Check Ups Include Oral Cancer Screenings

When you go for your regular dental check up, your dentist and hygienist are also screening you for any signs of oral cancer. Every hour of every day, someone dies of oral cancer in the United States. This serious dental disease which pertains to the mouth, lips or throat is often highly curable if diagnosed and treated in the early stages. Visiting your dentist for regular check ups and avoiding tobacco are the key factors in preventing oral cancer.

Dennis J Norheim DDS Cementum is a specialized bony substance covering the root of a tooth. It is approximately 45% inorganic material (mainly hydroxyapatite), 33% organic material (mainly collagen) and 22% water. Cementum is excreted by cementoblasts within the root of the tooth and is thickest at the root apex. Its coloration is yellowish and it is softer than either dentin or enamel. The principal role of cementum is to serve as a medium by which the periodontal ligaments can attach to the tooth for stability. At the cementoenamel junction, the cementum is acellular due to its lack of cellular components, and this acellular type covers at least ? of the root. The more permeable form of cementum, cellular cementum, covers about ? of the root apex.

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