{"product_id":"pojedyncza-korona-cyrkonowa-na-pierwszy-trzonowiec-staly","title":"Single zirconium crown for permanent first molar","description":"\u003ch3 style=\"text-align: left;\"\u003e\u003cstrong\u003eNuSmile ZR Single Zirconia Crown in any size.\u003c\/strong\u003e\u003c\/h3\u003e\n\u003ch4 style=\"text-align: left;\"\u003eIncludes 1 NuSmile ZR zirconia crown in any size.\u003c\/h4\u003e\n\u003cp style=\"text-align: left;\"\u003e\u003cspan style=\"color: #000000;\"\u003eNuSmile ZR is the latest generation of pediatric restorative technology, representing the ideal balance between art and science. Made from zirconia ceramic, NuSmile ZR offers excellent natural aesthetics, superior durability, and easy seating. NuSmile ZR and its matching Try-In crowns are part of a simple and convenient complete zirconia crown system that provides patients with the best results.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"text-align: left;\"\u003e \u003c\/p\u003e\n\u003ch3 style=\"text-align: left;\"\u003e\u003cspan style=\"color: #000000;\"\u003eWhat \u003cstrong\u003eare NuSmile ZR crowns made of?\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp style=\"text-align: left;\"\u003e\u003cspan style=\"color: #000000;\"\u003eNuSmile ZR crowns are made of high-quality Japanese monolithic Y-TZP zirconia ceramic.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3 style=\"text-align: left;\"\u003e\u003cspan style=\"color: #000000;\"\u003e\u003cstrong\u003eY-TZP Zirconia Ceramic – properties\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: #000000;\"\u003e\u003cstrong\u003eHigh crush resistance (similar to steel)\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: #000000;\"\u003e\u003cstrong\u003eHigh fracture toughness -\u003c\/strong\u003e 2000N. Very high stress intensity factor - determines resistance to crack propagation and signifies the amount of energy required to initiate fracture in a material specimen (so-called brittle fracture).\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: #000000;\"\u003e\u003cstrong\u003eFine-grained structure - \u003c\/strong\u003eZirconium oxide crystals form fine grains 0.2-0.5 microns in size. Zirconia has a very low porosity coefficient - it has a very homogeneous structure. Low porosity in the tetragonal form also means that it is a non-absorbent material. High density (approx. 6g\/cm3 after sintering) and lack of surface porosity translates into a reduced risk of cracking or fracture.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: #000000;\"\u003e\u003cstrong\u003eBiocompatibility and bio-compatibility - \u003c\/strong\u003eIt can be used in restorations adjacent to gold, steel, and pressed porcelain. It does not cause an allergic reaction. Additionally, patients are safely diagnosed in MRI scans.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: #000000;\"\u003e\u003cstrong\u003eLow tendency for bacterial plaque accumulation\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: #000000;\"\u003e\u003cstrong\u003eGood insulator -\u003c\/strong\u003e Lack of thermal conductivity also means no tooth hypersensitivity!\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: #000000;\"\u003e\u003cstrong\u003eLow self-weight - \u003c\/strong\u003eZirconia is a light material compared to precious metals. No interaction with other dental materials.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: #000000;\"\u003e\u003cstrong\u003eHigh hardness - \u003c\/strong\u003eThe hardness of zirconia is approximately 1250 Hv on the Vickers scale. For comparison, the value for gold is 200-260, for non-precious alloys 300-350, and for traditional porcelain 380.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: #000000;\"\u003e\u003cstrong\u003eRefractoriness - \u003c\/strong\u003eThe melting point of zirconia is 2700 degrees C.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: #000000;\"\u003e\u003cstrong\u003eRelative corrosion resistance - \u003c\/strong\u003eIt easily covers itself with a protective layer of oxides that prevent further oxidation. No gingival discoloration effect.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: #000000;\"\u003e\u003cstrong\u003eLow ability to absorb ionizing radiation\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"text-align: left;\"\u003e\u003cspan style=\"color: #000000;\"\u003e\u003cstrong\u003e \u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3 style=\"text-align: left;\"\u003e\u003cspan style=\"color: #000000;\"\u003e\u003cstrong\u003eDisinfection and sterilization\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp style=\"text-align: left;\"\u003e\u003cspan style=\"color: #000000;\"\u003eAcceptable methods are cold sterilization, autoclave or steam sterilization in accordance with standard sterilizer manufacturer instructions.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"text-align: left;\"\u003e \u003c\/p\u003e\n\u003ch3 style=\"text-align: left;\"\u003e\u003cspan style=\"color: #000000;\"\u003e\u003cstrong\u003eHow to properly cement a NuSmile ZR crown?\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp style=\"text-align: left;\"\u003e\u003cspan style=\"color: #000000;\"\u003eIt is very important that saliva or blood does not contaminate the internal surface of zirconia crowns. For this reason, NuSmile ZR Try-In crowns are included in the kits for use during try-in (trial fitting) to avoid contamination of the NuSmile ZR crown to be used by saliva or blood. All NuSmile ZR Try-In crowns are precisely manufactured to be identical in size and shape to NuSmile ZR crowns and can be reused and autoclaved multiple times for try-in. If the internal surface of a NuSmile ZR crown becomes contaminated, one of two processes is recommended to best retain the cement on the crown. Sandblast the inside of the crown with clean aluminum oxide or clean the internal surface of the crown with Ivoclean.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"text-align: left;\"\u003e \u003c\/p\u003e\n\u003cp style=\"text-align: left;\"\u003e\u003cspan style=\"color: #000000;\"\u003eNuSmile BioCem® Universal BioActive RMGI cement, Ceramir, resin cement, or other resin-modified glass ionomer cement can be used to cement NuSmile ZR crowns. The recommended product for cementing crowns in children: \u003c\/span\u003e\u003cspan style=\"text-decoration: underline; color: rgb(255, 0, 144);\"\u003e\u003cspan style=\"color: rgb(248, 13, 146); text-decoration: underline;\"\u003e\u003cstrong\u003e\u003ca style=\"color: rgb(248, 13, 146); text-decoration: underline;\" href=\"https:\/\/dentalforchildrenshop.shop\/products\/fuji-plus-a3-op-50-szt-gc\" title=\"Cement glasjonomerowy\"\u003eFuji Plus glass ionomer cement\u003c\/a\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"text-align: left;\"\u003e \u003c\/p\u003e\n\u003cp style=\"text-align: left;\"\u003e\u003cspan style=\"color: #000000;\"\u003eCompletely fill the crown so that there are no voids during placement. If pulp therapy has been performed using eugenol-based material placed in the pulp chamber, the eugenol-based material should be covered with clear glass ionomer prior to cementation, unless GI was used for cementation.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"text-align: left;\"\u003e \u003c\/p\u003e\n\u003cp style=\"text-align: left;\"\u003e\u003cspan style=\"color: #000000;\"\u003eThe NuSmile ZR crown should be passively fitted and held in place until the cement sets spontaneously or is light-cured.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"text-align: left;\"\u003e \u003c\/p\u003e\n\u003ch3 style=\"text-align: left;\"\u003e\u003cspan style=\"color: #000000;\"\u003e\u003cstrong\u003eCan a NuSmile ZR crown be shortened? If so, how?\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp style=\"text-align: left;\"\u003e\u003cspan style=\"color: #000000;\"\u003eNuSmile ZR adjustment burs can be used for circumferential reduction and margin immersion of the crown. It is important to use a light touch and a continuous water spray. NuSmile ZR crown polishing tools should be used to restore a smooth crown surface after any adjustments.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"text-align: left;\"\u003e \u003c\/p\u003e\n\u003ch3 style=\"text-align: left;\"\u003e\u003cspan style=\"color: #000000;\"\u003e\u003cstrong\u003eWhat is the gingival response to NuSmile ZR crowns?\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp style=\"text-align: left;\"\u003e\u003cspan style=\"color: #000000;\"\u003eGingival response is excellent due to the anatomically correct contours and high biocompatibility of NuSmile ZR.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"text-align: left;\"\u003e\u003cspan style=\"color: #000000;\"\u003eWith a properly fitted crown, a correct gingival response is expected within 7-10 days.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"text-align: left;\"\u003e \u003c\/p\u003e","brand":"NuSmile","offers":[{"title":"16 \/ 2","offer_id":50727763673429,"sku":"Y6UR2250A2","price":121.0,"currency_code":"PLN","in_stock":true},{"title":"16 \/ 3","offer_id":50727763706197,"sku":"Y6UR3250A2","price":121.0,"currency_code":"PLN","in_stock":true},{"title":"16 \/ 4","offer_id":50727763738965,"sku":"Y6UR4250A2","price":121.0,"currency_code":"PLN","in_stock":true},{"title":"16 \/ 5","offer_id":50727763771733,"sku":"Y6UR5250A2","price":121.0,"currency_code":"PLN","in_stock":true},{"title":"16 \/ 6","offer_id":50727763804501,"sku":"Y6UR6250A2","price":121.0,"currency_code":"PLN","in_stock":false},{"title":"16 \/ 7","offer_id":50727763837269,"sku":"Y6UR7250A2","price":121.0,"currency_code":"PLN","in_stock":false},{"title":"26 \/ 2","offer_id":50727763870037,"sku":"Y6UL2250A2","price":121.0,"currency_code":"PLN","in_stock":true},{"title":"26 \/ 3","offer_id":50727763902805,"sku":"Y6UL3250A2","price":121.0,"currency_code":"PLN","in_stock":true},{"title":"26 \/ 4","offer_id":50727763935573,"sku":"Y6UL4250A2","price":121.0,"currency_code":"PLN","in_stock":true},{"title":"26 \/ 5","offer_id":50727763968341,"sku":"Y6UL5250A2","price":121.0,"currency_code":"PLN","in_stock":true},{"title":"26 \/ 6","offer_id":50727764001109,"sku":"Y6UL6250A2","price":121.0,"currency_code":"PLN","in_stock":false},{"title":"26 \/ 7","offer_id":50727764033877,"sku":"Y6UL7250A2","price":121.0,"currency_code":"PLN","in_stock":false},{"title":"36 \/ 2","offer_id":50727764066645,"sku":"Y6LL2250A2","price":121.0,"currency_code":"PLN","in_stock":true},{"title":"36 \/ 3","offer_id":50727764099413,"sku":"Y6LL3250A2","price":121.0,"currency_code":"PLN","in_stock":true},{"title":"36 \/ 4","offer_id":50727764132181,"sku":"Y6LL4250A2","price":121.0,"currency_code":"PLN","in_stock":true},{"title":"36 \/ 5","offer_id":50727764164949,"sku":"Y6LL5250A2","price":121.0,"currency_code":"PLN","in_stock":false},{"title":"36 \/ 6","offer_id":50727764197717,"sku":"Y6LL6250A2","price":121.0,"currency_code":"PLN","in_stock":false},{"title":"36 \/ 7","offer_id":50727764230485,"sku":"Y6LL7250A2","price":121.0,"currency_code":"PLN","in_stock":false},{"title":"46 \/ 2","offer_id":50727764263253,"sku":"Y6LR2250A2","price":121.0,"currency_code":"PLN","in_stock":true},{"title":"46 \/ 3","offer_id":50727764296021,"sku":"Y6LR3250A2","price":121.0,"currency_code":"PLN","in_stock":false},{"title":"46 \/ 4","offer_id":50727764328789,"sku":"Y6LR4250A2","price":121.0,"currency_code":"PLN","in_stock":true},{"title":"46 \/ 5","offer_id":50727764361557,"sku":"Y6LR5250A2","price":121.0,"currency_code":"PLN","in_stock":true},{"title":"46 \/ 6","offer_id":50727764394325,"sku":"Y6LR6250A2","price":121.0,"currency_code":"PLN","in_stock":false},{"title":"46 \/ 7","offer_id":50727764427093,"sku":"Y6LR7250A2","price":121.0,"currency_code":"PLN","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0946\/5823\/2661\/files\/ChatGPT_Image_10_wrz_2025_o_13_55_53.png?v=1770725592","url":"https:\/\/dentalforchildrenshop.shop\/en\/products\/pojedyncza-korona-cyrkonowa-na-pierwszy-trzonowiec-staly","provider":"Dental for Children","version":"1.0","type":"link"}