isinyathelo sokuprakthiza

Ama-step drills asetshenziselwa ikakhulukazi ukubhola amapuleti ensimbi amancane ngaphakathi kuka-3 mm. Ibhithi elilodwa lokubhoboza lingasetshenziswa esikhundleni sezingxenye zokubhoboza eziningi ukuze kucutshungulwe izimbobo ezinobubanzi obuhlukene njengoba kudingeka, futhi izimbobo ezinkulu zingacutshungulwa ngesikhathi esisodwa ngaphandle kwesidingo sokushintsha izingcezu zokubhoboza noma izimbobo zokubhoboza. linda.

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