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CUSP-TIP: Crown Adjustment

If you need to shorten a crown, you may do so using a high-speed with a fine, zirconia specific diamond, holding the bur at a 45 degree angle to the crown's margin. While adjusting, you must use copious amounts of water, as excessive heat can cause microfractures in the zirconia. You should adjust on the incisal/occlusal surface or crown walls, as that can cause weak areas in the crown. Want to get your hands on an adjustment kit of your own?...

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