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periodic motion
periodic sentence
periodic system
periodic table
periodical
periodical cicada
periodicity
periodization
periodontal
periodontics
perionychium
periosteum
periostitis
periostracum
periotic
Peripatetic
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periodontal
per·i·o·don·tal [ pèrree ə dónt'l ]


adjective 
Definition:
 
in tissues around tooth: relating to or affecting the tissues that surround the neck and root of a tooth
[Mid-19th century. <peri- + Greek odont- "tooth"]

per·i·o·don·tal·ly adverb
Encarta® World English Dictionary [North American Edition] © & (P)2009 Microsoft Corporation. All rights reserved. Developed for Microsoft by Bloomsbury Publishing Plc.
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