{"title":"US No. 172 Bur – Busch Tapered Fissure Carbide, Made in Germany","description":"\u003cp\u003eThe \u003cstrong\u003eUS No. 172\u003c\/strong\u003e is the American number for a tapered fissure bur with a 1.6 mm head (ISO size 016): a cone that narrows toward the tip, so the walls it cuts diverge toward the occlusal: the geometry crown and inlay preparations depend on. Busch \u0026amp; Co. manufactures it in Germany as \u003cstrong\u003eBusch No. 23 016\u003c\/strong\u003e. Every US No. 172 on this page is a genuine Busch instrument and ships from our US warehouse.\u003c\/p\u003e\u003ch2\u003eWhich US No. 172 Do You Need?\u003c\/h2\u003e\u003cdiv style=\"overflow-x:auto;-webkit-overflow-scrolling:touch;\"\u003e\u003ctable style=\"border-collapse:collapse;font-size:14px;\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth style=\"border:1px solid #ddd;padding:6px 10px;text-align:left;background:#f6f6f6;\"\u003eUS No.\u003c\/th\u003e\n\u003cth style=\"border:1px solid #ddd;padding:6px 10px;text-align:left;background:#f6f6f6;\"\u003eBusch No.\u003c\/th\u003e\n\u003cth style=\"border:1px solid #ddd;padding:6px 10px;text-align:left;background:#f6f6f6;\"\u003eMaterial\u003c\/th\u003e\n\u003cth style=\"border:1px solid #ddd;padding:6px 10px;text-align:left;background:#f6f6f6;\"\u003eCut\u003c\/th\u003e\n\u003cth style=\"border:1px solid #ddd;padding:6px 10px;text-align:left;background:#f6f6f6;\"\u003eShank\u003c\/th\u003e\n\u003cth style=\"border:1px solid #ddd;padding:6px 10px;text-align:left;background:#f6f6f6;\"\u003eBest for\u003c\/th\u003e\n\u003cth style=\"border:1px solid #ddd;padding:6px 10px;text-align:left;background:#f6f6f6;\"\u003ePack\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;\"\u003e\u003ca href=\"\/products\/carbide-cone-flat-cutter-dental-bur-23-016-pack-of-6\"\u003e172\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;\"\u003e23 016\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;\"\u003eCarbide\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;\"\u003ePlain-cut\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;\"\u003eHP\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;\"\u003eStraight handpiece: laboratory and denture work\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;\"\u003e6\u003c\/td\u003e\n\u003c\/tr\u003e\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\u003cp style=\"font-size:13px;\"\u003eHP (2.35 mm shank, straight handpiece). See the \u003ca href=\"\/pages\/busch-bur-size-chart\"\u003eBusch Bur Size Chart\u003c\/a\u003e for head and shank dimensions.\u003c\/p\u003e\u003ch2\u003eClinical Uses of the US No. 172\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCrown preparation:\u003c\/strong\u003e axial reduction with built-in taper for full-coverage crowns and bridge abutments.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInlay and onlay preparation:\u003c\/strong\u003e cavity walls that diverge toward the occlusal for a path of insertion.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCavity preparation:\u003c\/strong\u003e extending and shaping preparations where a flat floor and tapered walls are wanted.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSectioning and laboratory work:\u003c\/strong\u003e the surgical-length versions section teeth and roots; the HP carbide and steel versions cut acrylic and plaster in the straight handpiece.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eAt 1.6 mm the No. 172 is a wide cone for bulk reduction and laboratory cutting.\u003c\/p\u003e\u003cp\u003eThe No. 172 is plain-cut; its crosscut twin in the same shape and size is the \u003ca href=\"\/collections\/us-702-bur\"\u003eUS No. 702 (Busch 38 016)\u003c\/a\u003e. Crosscut blades cut faster and clear debris; plain-cut blades leave a smoother wall.\u003c\/p\u003e\u003ch2\u003eSpeed and Technique\u003c\/h2\u003e\u003cp\u003eKeep the bur parallel to the intended path of insertion so the taper of the head becomes the taper of the wall; use water spray with the FG versions and laboratory speed for HP. Maximum recommended speeds for every Busch shape are in our \u003ca href=\"\/pages\/dental-bur-speed-chart\"\u003eDental Bur Speed Chart\u003c\/a\u003e, and reprocessing steps in the \u003ca href=\"\/pages\/dental-bur-sterilization-guide\"\u003eBur Sterilization Guide\u003c\/a\u003e.\u003c\/p\u003e\u003ch2\u003eMade in Germany by Busch \u0026amp; Co.\u003c\/h2\u003e\u003cp\u003eBusch \u0026amp; Co. has manufactured rotary instruments in Engelskirchen, Germany since 1905. Every instrument on this page is a genuine Busch product, precision-ground on a concentric shank under ISO-certified quality management and guaranteed to arrive free of manufacturing defects under our \u003ca href=\"\/pages\/warranty\"\u003eBusch arrival guarantee\u003c\/a\u003e.\u003c\/p\u003e\u003cdiv style=\"text-align: center;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0943\/1318\/5566\/files\/MadeInGermanySmall.png?v=1775134964\" alt=\"Dental Instruments, Tools, Burs, Diamonds and Polishers Made In Germany\"\u003e\u003c\/div\u003e\u003ch2\u003eFAQ\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eWhat is the Busch number for a US 172 bur?\u003c\/strong\u003e Busch No. 23 016 in carbide (HP).\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat size is a No. 172 bur?\u003c\/strong\u003e The No. 172 has a 1.6 mm head diameter (ISO size 016) on a tapered fissure bur head, ISO shape 168 (cone, flat end).\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat is the difference between a No. 172 and a No. 702?\u003c\/strong\u003e Same shape and size; one is plain-cut and the other crosscut. The No. 172 is plain-cut — crosscut cuts faster and clears debris, plain-cut leaves a smoother surface.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eAre Busch No. 172 burs reusable?\u003c\/strong\u003e Yes. Carbide and steel burs are cleaned, disinfected and sterilized between patients and replaced when they dull; the \u003ca href=\"\/pages\/dental-bur-sterilization-guide\"\u003eBur Sterilization Guide\u003c\/a\u003e gives the validated steps.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eRelated resources:\u003c\/strong\u003e \u003ca href=\"\/pages\/us-bur-numbers\"\u003eUS Bur Number Finder\u003c\/a\u003e · \u003ca href=\"\/pages\/bur-comparison-chart\"\u003eBur Comparison Chart\u003c\/a\u003e · \u003ca href=\"\/pages\/dental-bur-speed-chart\"\u003eSpeed Chart\u003c\/a\u003e · \u003ca href=\"\/pages\/dental-bur-glossary\"\u003eBur Glossary\u003c\/a\u003e · Nearby sizes: \u003ca href=\"\/collections\/us-170-bur\"\u003eUS No. 170\u003c\/a\u003e, \u003ca href=\"\/collections\/us-171-bur\"\u003eUS No. 171\u003c\/a\u003e\u003c\/p\u003e","products":[{"product_id":"carbide-cone-flat-cutter-dental-bur-23-016-pack-of-6","title":"US No. 172 Busch Carbide Tapered Fissure (Cone) Bur | Busch No. 23 016 – HP | Pack of 6","description":"\u003cp\u003eThe \u003cstrong\u003ecarbide taper (cone) flat cutter dental bur\u003c\/strong\u003e from Busch \u0026amp; Co. GmbH is a precision-engineered rotary cutting instrument designed to deliver consistent, controlled material removal across a range of technical and clinical applications. Manufactured in Germany, this instrument meets the exacting standards professionals demand in both dental and technical workflows.\u003c\/p\u003e\u003ch2\u003eProduct Details\u003c\/h2\u003e\u003cp\u003eThis instrument is classified as a Carbide Cutter, Taper (Cone) Flat, and carries the standard ISO classification: \u003cstrong\u003e500 104 168 006 016\u003c\/strong\u003e (ISO reference 23 016, US No. 172). It is supplied as a \u003cstrong\u003epack of 6\u003c\/strong\u003e, ensuring you have reliable, consistent tooling on hand for demanding work schedules.\u003c\/p\u003e\u003ch2\u003eApplications\u003c\/h2\u003e\u003cp\u003eThe \u003cstrong\u003ecarbide taper (cone) flat cutter dental bur\u003c\/strong\u003e is well-suited for the following dental laboratory applications:\u003c\/p\u003e\u003ctable role=\"presentation\" style=\"border:0;border-collapse:collapse;width:100%;max-width:640px;margin:0 0 1em 0;background:transparent;\"\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:0;padding:6px 14px 6px 4px;text-align:center;vertical-align:middle;width:52px;background:transparent;line-height:0;font-size:0;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0943\/1318\/5566\/files\/Crown_Bridge_Tech.png?v=1767131647\" alt=\"Crown and Bridge Technology\" width=\"34\" height=\"34\" loading=\"lazy\" style=\"display:block;margin:0 auto;width:34px;height:34px;\"\u003e\u003c\/td\u003e\n\u003ctd style=\"border:0;padding:6px 0;text-align:left;vertical-align:middle;background:transparent;\"\u003e\n\u003cstrong\u003eCrown and Bridge Technology\u003c\/strong\u003e — Shaping, trimming and finishing of crown and bridge frameworks in the laboratory.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:0;padding:6px 14px 6px 4px;text-align:center;vertical-align:middle;width:52px;background:transparent;line-height:0;font-size:0;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0943\/1318\/5566\/files\/Plastics_Tech.png?v=1767131648\" alt=\"Plastics Technology\" width=\"34\" height=\"34\" loading=\"lazy\" style=\"display:block;margin:0 auto;width:34px;height:34px;\"\u003e\u003c\/td\u003e\n\u003ctd style=\"border:0;padding:6px 0;text-align:left;vertical-align:middle;background:transparent;\"\u003e\n\u003cstrong\u003ePlastics Technology\u003c\/strong\u003e — Shaping, trimming and finishing of acrylic dentures and appliances.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:0;padding:6px 14px 6px 4px;text-align:center;vertical-align:middle;width:52px;background:transparent;line-height:0;font-size:0;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0943\/1318\/5566\/files\/Model_Making.png?v=1767131647\" alt=\"Model Making\" width=\"34\" height=\"34\" loading=\"lazy\" style=\"display:block;margin:0 auto;width:34px;height:34px;\"\u003e\u003c\/td\u003e\n\u003ctd style=\"border:0;padding:6px 0;text-align:left;vertical-align:middle;background:transparent;\"\u003e\n\u003cstrong\u003eModel Making\u003c\/strong\u003e — Trimming and detailing of plaster and stone models.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:0;padding:6px 14px 6px 4px;text-align:center;vertical-align:middle;width:52px;background:transparent;line-height:0;font-size:0;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0943\/1318\/5566\/files\/Model_Cast_Tech.png?v=1767131648\" alt=\"Model Casting Technique\" width=\"34\" height=\"34\" loading=\"lazy\" style=\"display:block;margin:0 auto;width:34px;height:34px;\"\u003e\u003c\/td\u003e\n\u003ctd style=\"border:0;padding:6px 0;text-align:left;vertical-align:middle;background:transparent;\"\u003e\n\u003cstrong\u003eModel Casting Technique\u003c\/strong\u003e — Finishing and adjustment of cast metal frameworks.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003ch2\u003eWhy Choose This Carbide Cutter?\u003c\/h2\u003e\u003cp\u003eAs a \u003cstrong\u003ecarbide taper (cone) flat cutter dental bur\u003c\/strong\u003e, this instrument offers the hardness and edge retention that carbide is renowned for, enabling clean cuts with minimal vibration and heat generation. The taper (cone) flat geometry provides versatile access to a variety of surface contours and internal angles, making it an adaptable tool across multiple disciplines.\u003c\/p\u003e\u003cp\u003eAll Busch instruments, including this \u003cstrong\u003ecarbide taper (cone) flat cutter dental bur\u003c\/strong\u003e, are proudly \u003cstrong\u003eMade in Germany\u003c\/strong\u003e, reflecting a longstanding commitment to precision manufacturing and quality control.\u003c\/p\u003e\u003cdiv style=\"text-align: center;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0943\/1318\/5566\/files\/MadeInGermanySmall.png?v=1775134964\" alt=\"Dental Instruments, Tools, Burs, Diamonds and Polishers Made In Germany\"\u003e\u003c\/div\u003e\u003ch2\u003eFAQ\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eWhat is included in a single purchase?\u003c\/strong\u003e Each order contains a pack of 6 carbide taper (cone) flat cutters (23 016, US No. 172).\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat ISO classification does this bur carry?\u003c\/strong\u003e This instrument is classified under ISO: 500 104 168 006 016.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhere is this instrument manufactured?\u003c\/strong\u003e It is manufactured in Germany by Busch \u0026amp; Co. GmbH.\u003c\/p\u003e\u003ch2\u003e\u003ca href=\"\/pages\/bur-comparison-chart#b-23-016-hp\" style=\"color:inherit;text-decoration:none;\"\u003eCompare With\u003c\/a\u003e\u003c\/h2\u003e\u003ctable style=\"border-collapse:collapse;margin:0 0 1em 0;\"\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth style=\"border:1px solid #ddd;padding:6px 12px;text-align:left;background:#f6f6f6;\"\u003eManufacturer\u003c\/th\u003e\n\u003cth style=\"border:1px solid #ddd;padding:6px 12px;text-align:left;background:#f6f6f6;\"\u003eReference\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 12px;\"\u003eKomet (Gebr. Brasseler)\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 12px;\"\u003eH23.104.016\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 12px;\"\u003eBrasseler USA\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 12px;\"\u003eH23.11.016\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 12px;\"\u003eMeisinger\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 12px;\"\u003eHM23-016-HP\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 12px;\"\u003eEdenta\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 12px;\"\u003eC23.104.016\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003cp\u003e\u003cstrong\u003eManufacturer literature:\u003c\/strong\u003e Busch catalogs and product brochures for this line are available in our \u003ca href=\"\/pages\/busch-burs-catalogs\"\u003eBusch Burs Catalog Library\u003c\/a\u003e.\u003c\/p\u003e","brand":"Busch \u0026 Co. GmbH","offers":[{"title":"Default Title","offer_id":50367841730846,"sku":"020693","price":36.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0943\/1318\/5566\/files\/23-zt-base_14ffe63b-a07f-46b2-8ec3-fe264b54dbdc.png?v=1766500448"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0943\/1318\/5566\/collections\/23-zt-base_14ffe63b-a07f-46b2-8ec3-fe264b54dbdc.png?v=1789481596","url":"https:\/\/deutschedt.com\/collections\/us-172-bur.oembed","provider":"Deutsche Dental Technologien","version":"1.0","type":"link"}