| periodontal disease |
disease of the tissues around a tooth.
출처: www.ncpublicschools.org/curriculum/health/scos/07g...
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| period |
The time required to complete one cycle of AC and is calculated as the reciprocal of the frequency (1/f). It is measured in seconds and designated with the letter T.
출처: www.nuhorizons.com/Glossary/BasicElecConcepts.html
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| periodontal pocket |
The periodontal pocket is the space between the gum and the tooth as associated with periodontitis. The deepening space is cause by the destruction of the peridontal ligament attachment and supporting tissues. The pocket is often lined with ulcerated and inflamed tissue. As the pocket becomes deeper, it becomes more and more difficult to clean out accumulated plaque and calculus.
출처: www.ddicenter.com/library/glossary.asp
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| period |
When all the facets of a production are carefully aimed towards representing a specific period in history.
출처: www.dramatic.com.au/glossary/glossaryp_z.htm
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| periodic table |
The Periodic Table of the Elements is a compilation of the 109 chemical symbols and characteristics. [3: periodic table ]; [ 2:image of periodic table ].
출처: www.ecotao.com/holism/glosoz.htm
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