{"product_id":"screw-osteotome-insert-straight-size-4-helmut-zepf-no-47-990-50","title":"Screw Osteotome Insert, Straight, Size 4 | Helmut Zepf No. 47.990.50","description":"\u003cp\u003eThe \u003cstrong\u003eScrew Osteotome Insert, Straight, Size 4\u003c\/strong\u003e is a component of the VGO Ost-Set, straight (anterior) osteotome kit, developed by Dr. Pavel Krastev DDS as part of the patented VGO Ost-Set system (U.S. Patent No. 9,333,058 B1). It is one of seven graduated straight screw-osteotome inserts, numbered 0 through 6, used for atraumatic ridge expansion during implant site preparation.\u003c\/p\u003e\u003ch2\u003eProduct Overview\u003c\/h2\u003e\u003cp\u003eThis size 4 insert has a tapered working end of Ø 3 – 4 mm with a convex shank diameter of Ø 4 mm. The first 8 mm of the tip is threaded, producing controlled micro-cuts in bone that increase localized bleeding and support angiogenesis — allowing site preparation without malleting.\u003c\/p\u003e\u003ch2\u003eKey Specifications\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSize:\u003c\/strong\u003e 4 (of 7, straight kit)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTapered Working End:\u003c\/strong\u003e Ø 3 – 4 mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConvex Shank Diameter:\u003c\/strong\u003e Ø 4 mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGraduation Scale:\u003c\/strong\u003e 8 \/ 10 \/ 13 \/ 16 mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConnection:\u003c\/strong\u003e Hex connection for Z-Shape Universal Handle\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSystem:\u003c\/strong\u003e VGO Ost-Set, straight (anterior) kit — No. 47.990.00\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eItem Number:\u003c\/strong\u003e 47.990.50\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003e1-Year Warranty\u003c\/h2\u003e\u003cp\u003eThis Helmut Zepf instrument is covered by a \u003cstrong\u003e1-year warranty\u003c\/strong\u003e against defects in materials and workmanship from the date of delivery.\u003c\/p\u003e\u003ch2\u003e60-Day Returns — Any Reason, Even If Used\u003c\/h2\u003e\u003cp\u003ePut this instrument to work in your practice. If it is not right for you, return it within 60 days of delivery for a \u003cstrong\u003efull refund — for any reason, even if it has been used\u003c\/strong\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\u003eDoes this insert require malleting?\u003c\/strong\u003e No. The threaded first 8 mm of the tip produces controlled micro-cuts as it advances, so no malleting is needed.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat are the tapered and shank dimensions of size 4?\u003c\/strong\u003e Size 4 has a tapered working end of Ø 3 – 4 mm and a convex shank diameter of Ø 4 mm.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat kit does this insert belong to?\u003c\/strong\u003e It is one of seven graduated inserts (sizes 0–6) included in the VGO Ost-Set, straight (anterior) complete kit, Helmut Zepf No. 47.990.00, developed by Dr. Pavel Krastev DDS.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eManufacturer literature:\u003c\/strong\u003e \u003ca href=\"https:\/\/www.zepf-dental.com\/wp-content\/uploads\/PDF\/katalog\/HZ_Dental_Catalog.pdf\" target=\"_blank\" rel=\"noopener\"\u003eZEPF Dental Catalog (PDF)\u003c\/a\u003e — more in our \u003ca href=\"\/pages\/helmut-zepf-surgical-instrument-library\"\u003eSurgical Instrument Library\u003c\/a\u003e.\u003c\/p\u003e","brand":"Helmut Zepf GmbH","offers":[{"title":"Default Title","offer_id":59851948818718,"sku":"47.990.50","price":54.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0943\/1318\/5566\/files\/47.990.50.jpg?v=1787795007","url":"https:\/\/deutschedt.com\/products\/screw-osteotome-insert-straight-size-4-helmut-zepf-no-47-990-50","provider":"Deutsche Dental Technologien","version":"1.0","type":"link"}