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periodontology

[ per-ee-oh-don-tol-uh-jee ]
/ ˌpɛr i oʊ dɒnˈtɒl ə dʒi /
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noun
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Origin of periodontology

1910–15; periodont(ia) + -o- + -logy
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2022
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