Periodontal Disease and Tooth Loss

Gingivitis is the low-grade inflammation of the gums due to the presence of  plaque bacteria.

Chronic periodontitis is the main cause of tooth loss in late adulthood. The periodontal ligaments holding the tooth in its socket are destroyed and the alveolar crests are resorbed. The level of alveolar resorption can be measured to determine how long the individual has had the disease.

When there is poor oral hygiene, a person with cardiac trouble can develop infective endocarditis due to circulating bacteria in the bloodstream.
(Cawson, Odell 1991)

perio
Advanced Periodontal Disease causes gums to recede
Courtesy: http://webs.wichita.edu/mschneegurt/biol103/lecture22/periodontitis.jpg

resorption
An edentulous woman with resorption of the mandibular alveolar ridge

Courtesy: www.globalmednet.com/do-cdrom/Clinical/Alveolar/andrade/an005.htm

After anti-mortem tooth loss, the alveolar bone surrounding the lost tooth is resorbed. If a tooth is lost after death, the tooth socket will still be present. This is important to the anthropologist trying to put together a life history.

Extractions have likely been practiced for thousands of years. It was an important development in improving oral health. Records of this have been found in ancient Mesopotamia.
(Brothwell 1981)

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