人人有牙周病？牙醫點破原因：唯一有效清牙菌斑只有這動作 | 台北醫大口腔醫學院長鄭信忠牙醫師【早安健康】
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Channel: 早安健康
Views: 254,347
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Keywords: 早安健康, 牙周病, 牙菌斑, 牙線
Id: tKzRvAfu6NI
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Length: 5min 45sec (345 seconds)
Published: Mon Sep 02 2019
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