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'''Khí-tái''' (齒滓; ''dental calculus, tartar'') koh kiò-chò '''khí-chio̍h''' (齒石), sī [[chhùi-khí]] sé bô chheng-khì, khí-siôⁿ, [[chhùi-nōa]], kap [[khòng-bu̍t-chit]] sio-ka̍pkap chò-tīn kài-hòa ê kiat-kó. Khí-tái ê piáu-bīn chho·-chhò kāu [[mo·-kńg]]-khang, gâu chu-seng [[sè-khún]], ín-khí [[khí-chiu-pēⁿ]] he̍k [[chiù-khí]]. [[Khí-hōaⁿ]] téng-kôan hêng-sêng ê khí-tái sī n̂g-sek--ê, khí-hōaⁿ ē-kha--ê sī o·-sek--ê. Khí-tái bô-hoat-tō· ēng [[khí-bín]]-á lù-tiāu, ài gê-i-su ēng [[chhiau-im-pho]] sé-khí-ki (超音波洗齒機; ''ultrasonic scaler'') chiah ū-hoat-tō· khe-tiāu.
[[Category:Gê-i-ha̍k]]
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