{"product_id":"black-cc-17-18","title":"Black – CC 17\/18","description":"\u003cp\u003eBlack’s Formula A standard method used to describe the size, shape and angulation of cavity preparation instruments, created by Dr. Greene Vardiman Black (“the father of modern dentistry”).\u003c\/p\u003e\u003cp\u003eHatchets, chisels and cavity prep instruments have 3 measurements: (x, y, z), based on a circular 100˚ (centigrade) scale, instead of the typical 360˚ (astronomical) scale.\u003c\/p\u003e\u003cp\u003ex= the width of the blade in tenths of millimeters. y= the length of the blade in whole millimeters. z = the angle the blade forms with the long axis of the handle.\u003c\/p\u003e\u003cp\u003eA fourth number, used on select angle formers and margin trimmers, is placed between the first two numbers ( x, a, y, z ). a= the degree of angle for the cutting edge to the long axis of the handle.\u003c\/p\u003e\u003cp\u003e1003295 Hatchet – California – CC 17\/18 (10-6-14)\u003c\/p\u003e","brand":"Premier Dental","offers":[{"title":"Default Title","offer_id":67912649081146,"sku":"1003295","price":34.3,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0910\/0089\/7850\/files\/download_7a3e7b22-652d-46cb-88ab-4cf3f17834ac.jpg?v=1793981430","url":"https:\/\/alpinedentalshop.com\/products\/black-cc-17-18","provider":"Alpine Dental Inc","version":"1.0","type":"link"}