kǒuqiāng wèishēng

== Mandarin == === Romanization === kǒuqiāng wèishēng (Zhuyin ㄎㄡˇ ㄑㄧㄤ ㄨㄟˋ ㄕㄥ) Hanyu Pinyin reading of 口腔衛生 / 口腔卫生