?Ultradent’s Jiffy Universal System is a finishing system for all ceramics, including high-strength ceramics. All of the adjusters and polishers in the Jiffy Universal System work interchangeably on porcelain, lithium disilicate, and zirconia. The Universal Extra-Oral Adjusting and Polishing Kit and the Jiffy Universal Intra-Oral Adjusting and Polishing Kit contain an optimal number of components so you can efficiently adjust and polish any ceramic material to achieve a truly smooth surface with a natural-looking finish.