Dasle Mn UPDATED Test Questions And CORRECT Answers
What system has a tightening wrench to tighten and loosen the band?Automatrix What is the purpose of a wedge? How many do you need for an MOD restoration?To contour and hold the band securely, 2 wedges auto matrix is unique in that it has a wrench that does what?has no retainer to hold the band in place. the tightening wrench is inserted into the coil and is turned clockwise to tighten the band What occurs if the wedge is not place properly?Overhang or cupping Class III & IV composites use what type of matrix system?Celluloid strip "Mylar" wedges function is to?insert into the lingual embrasure to hold the band firmly against the gingival margin of the prep
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