{"title":"US No. 333 Bur – Busch Pear Carbide, Made in Germany","description":"\u003cp\u003eThe \u003cstrong\u003eUS No. 333\u003c\/strong\u003e is the American number for a pear bur with a 1.4 mm head (ISO size 014): a rounded, slightly tapered head that cuts a preparation with rounded internal line angles and no sharp corners. Busch \u0026amp; Co. manufactures it in Germany as \u003cstrong\u003eBusch No. 7 014\u003c\/strong\u003e and \u003cstrong\u003eBusch No. 25R 014\u003c\/strong\u003e. Every US No. 333 on this page is a genuine Busch instrument and ships from our US warehouse.\u003c\/p\u003e\u003ch2\u003eWhich US No. 333 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\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;\"\u003e\u003ca href=\"\/products\/carbide-pear-dental-bur-fg-busch-7014-pack-of-6\"\u003e333\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;\"\u003e7 014\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;\"\u003eFG\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;\"\u003eHigh-speed handpiece\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;\"\u003e6\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;\"\u003e\u003ca href=\"\/products\/carbide-pear-fissure-dental-bur-busch-25r-014-fg-pack-of-6\"\u003e333L\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;\"\u003e25R 014\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;\"\u003eFG\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;\"\u003eLonger head for deeper preparations, rounded end\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;\"\u003e6\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\u003cp style=\"font-size:13px;\"\u003eFG (friction grip, 1.6 mm shank, high-speed 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. 333\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eConservative Class I and Class II preparations:\u003c\/strong\u003e the pear outline removes only what is needed and leaves rounded internal angles that suit composite and amalgam alike.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMinimally invasive access:\u003c\/strong\u003e opening a fissure or a small lesion without extending the preparation beyond the defect.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRefining internal form:\u003c\/strong\u003e smoothing line angles and slight undercuts in an existing preparation.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eAt 1.4 mm the No. 333 is a larger pear for wider preparations.\u003c\/p\u003e\u003cp\u003eThe \u003cstrong\u003e333L\u003c\/strong\u003e (Busch 25R 014) carries a longer cutting head for deeper boxes and taller walls.\u003c\/p\u003e\u003ch2\u003eSpeed and Technique\u003c\/h2\u003e\u003cp\u003eUse in the high-speed handpiece with water spray, entering with the tip and shaping with the sides in short strokes; the rounded form does the finishing of the internal angles for you. 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 333 bur?\u003c\/strong\u003e Busch No. 7 014 in carbide (FG). The 333L is Busch 25R 014.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat size is a No. 333 bur?\u003c\/strong\u003e The No. 333 has a 1.4 mm head diameter (ISO size 014) on a pear bur head, ISO shape 232 (pear).\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat do the letters after No. 333 mean?\u003c\/strong\u003e The 333L (Busch 25R 014) carries a longer cutting head for deeper boxes and taller walls.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eAre Busch No. 333 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-331-bur\"\u003eUS No. 331\u003c\/a\u003e, \u003ca href=\"\/collections\/us-332-bur\"\u003eUS No. 332\u003c\/a\u003e\u003c\/p\u003e","products":[{"product_id":"carbide-pear-dental-bur-fg-busch-7014-pack-of-6","title":"US No. 333 Busch Carbide Pear Bur | Busch No. 7 014 – FG | Pack of 6","description":"\u003cp\u003eThe \u003cstrong\u003ecarbide pear dental bur FG\u003c\/strong\u003e from Busch \u0026amp; Co. GmbH is a precision-engineered excavating and fissure bur designed to meet the demanding standards of modern restorative dentistry. Built to exacting tolerances, this bur delivers consistent, controlled cutting performance across a wide range of clinical procedures.\u003c\/p\u003e\u003ch2\u003eProduct Specifications\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Carbide, Pear\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFunction:\u003c\/strong\u003e Excavating and Fissure Bur\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShank:\u003c\/strong\u003e FG (Friction Grip)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eISO Classification:\u003c\/strong\u003e 500 314 232 001 014\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUS No.:\u003c\/strong\u003e 333\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePack Quantity:\u003c\/strong\u003e 6 burs per pack\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eApplications\u003c\/h2\u003e\u003cp\u003eThe \u003cstrong\u003ecarbide pear dental bur FG\u003c\/strong\u003e is well-suited for the following clinical procedures:\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\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\/Cavity_Fissure_Prep.png?v=1767131647\" alt=\"Cavity\/Fissure Preparation\" 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\u003eCavity\/Fissure Preparation\u003c\/strong\u003e — Opening, extending and shaping cavities and fissures with controlled removal of enamel and dentin.\u003c\/td\u003e\n\u003c\/tr\u003e\u003c\/tbody\u003e\u003c\/table\u003e\u003ch2\u003eGerman Engineering Quality\u003c\/h2\u003e\u003cp\u003eEach \u003cstrong\u003ecarbide pear dental bur FG\u003c\/strong\u003e is manufactured in Germany, reflecting a long tradition of precision dental instrument manufacturing. Consistent quality across every unit in the pack ensures reliable clinical outcomes and predictable cutting behavior.\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 shank type does this bur use?\u003c\/strong\u003e This bur features an FG (Friction Grip) shank, compatible with standard high-speed handpieces.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eHow many burs are included per pack?\u003c\/strong\u003e Each pack contains 6 burs of the same specification.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat is the ISO classification for this bur?\u003c\/strong\u003e The ISO classification is 500 314 232 001 014, corresponding to US No. 333.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat procedures is the carbide pear dental bur FG suitable for?\u003c\/strong\u003e It is primarily used for cavity preparation and fissure preparation in restorative dental procedures.\u003c\/p\u003e\u003ch2\u003e\u003ca href=\"\/pages\/bur-comparison-chart#b-7-014-fg\" 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;\"\u003eH7.314.014\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;\"\u003eH7.31.014\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;\"\u003eHM7-014-FG\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":50367868403998,"sku":"020437","price":36.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0943\/1318\/5566\/files\/7-base_b0761031-ec47-4637-9fe4-4b30734640f2.png?v=1766503902"},{"product_id":"carbide-pear-fissure-dental-bur-busch-25r-014-fg-pack-of-6","title":"US No. 333L Busch Carbide Inverted Cone Round Bur | Busch No. 25R 014 – FG | Pack of 6","description":"\u003cp\u003eThe \u003cstrong\u003ecarbide pear fissure dental bur\u003c\/strong\u003e from Busch \u0026amp; Co. GmbH is a precision-engineered rotary instrument designed for reliable cavity and fissure preparation in clinical dentistry. Manufactured in Germany, this bur reflects the quality and consistency that dental professionals demand in everyday practice.\u003c\/p\u003e\u003ch2\u003eProduct Classification\u003c\/h2\u003e\u003cp\u003eThis instrument is classified under the following ISO standard: \u003cstrong\u003eISO: 500 314 238 006 014\u003c\/strong\u003e. It carries the designation 25R 014 (US No. 333L) and is supplied in a convenient pack of 6, ensuring availability for multiple procedures.\u003c\/p\u003e\u003ch2\u003eDesign \u0026amp; Construction\u003c\/h2\u003e\u003cp\u003eThe \u003cstrong\u003ecarbide pear fissure dental bur\u003c\/strong\u003e features a pear-shaped carbide head, optimized for excavating and fissure work. The inverted cone round profile allows the clinician to achieve precise cuts with controlled depth and consistent results. Carbide construction contributes to durability and maintained cutting efficiency across repeated use.\u003c\/p\u003e\u003ch2\u003ePrimary Application\u003c\/h2\u003e\u003cul\u003e\u003cli\u003e\n\u003cstrong\u003eCavity\/Fissure Preparation:\u003c\/strong\u003e The geometry of this \u003cstrong\u003ecarbide pear fissure dental bur\u003c\/strong\u003e is specifically suited for preparing cavities and fissures, enabling clean, accurate preparations with minimal stress to surrounding tooth structure.\u003c\/li\u003e\u003c\/ul\u003e\u003cp\u003eThis instrument is compatible with friction grip (FG) handpieces, making it straightforward to integrate into standard clinical workflows.\u003c\/p\u003e\u003ch2\u003eWhy Choose This Bur?\u003c\/h2\u003e\u003cp\u003eAs a \u003cstrong\u003ecarbide pear fissure dental bur\u003c\/strong\u003e produced by Busch \u0026amp; Co. GmbH, this instrument benefits from German engineering standards. The pack-of-6 format supports consistent instrument rotation and sterile single-use protocols where applicable.\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 handpiece shank type is this bur designed for?\u003c\/strong\u003e This bur is designed for friction grip (FG) handpieces, as indicated by the FG designation in the product name.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat is the ISO classification for this bur?\u003c\/strong\u003e The ISO classification is 500 314 238 006 014.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eHow many burs are included in each pack?\u003c\/strong\u003e Each pack contains 6 burs.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat is the primary clinical use of this bur?\u003c\/strong\u003e It is primarily used for cavity and fissure preparation in restorative dental procedures.\u003c\/p\u003e\u003ch2\u003e\u003ca href=\"\/pages\/bur-comparison-chart#b-25r-014-fg\" 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;\"\u003eH25R.314.014\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;\"\u003eH25R.31.014\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;\"\u003eHM25R-014-FG\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":50367868567838,"sku":"020865","price":40.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0943\/1318\/5566\/files\/25r-base_704f2489-0879-4c40-aad9-3f52e295eea6.png?v=1766500701"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0943\/1318\/5566\/collections\/7-base_b0761031-ec47-4637-9fe4-4b30734640f2.png?v=1789481674","url":"https:\/\/deutschedt.com\/collections\/us-333-bur.oembed","provider":"Deutsche Dental Technologien","version":"1.0","type":"link"}