inyathelo drill

I-step drills isetyenziselwa ukubhola iipleyiti zentsimbi ezincinci ngaphakathi kwe-3 mm. Isuntswana lokubhola elinye lingasetyenziswa endaweni yokugrumba amasuntswana amaninzi ukusetyenzwa kwemingxuma yobubanzi obahlukeneyo njengoko kufuneka, kwaye imingxuma emikhulu inokusetyenzwa ngexesha elinye ngaphandle kwesidingo sokutshintsha amasuntswana okubhola okanye imingxuma yokugrumba. yima.

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