翻译和例句：
is good dental hygiene (口腔卫生). Zhang Liwen, a dentist from the China-Japan Friendship Hospital..., the key to avoiding such problems is good dental hygiene (口腔卫生). Zhang Liwen, a dentist from the China ……
your mouth to smell sweet. Smoking also can make your mouth smell bad.Poor oralhygiene(口腔卫生) leads ……
hygiene (口腔卫生) road ahead.The best age for simple orthodontic treatment (正畸治疗), such as braces (牙套... teeth, setting yourself up for an easier oral hygiene (口腔卫生) road ahead.By Madeleine Rose King, ……
hygiene (口腔卫生) leads to bad breath. When you leave pieces of food in your mouth, they rot and start ……
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