An excellent alternative to traditional all-ceramic restorations when a metal-free restoration is indicated, e.max® is milled from lithium disilicate instead of zirconia. Finished with a ceramic veneer over its glass-ceramic base, e.max restorations feature lifelike translucency and brightness without sacrificing durability.
IPS e.max CAD is indicated for full anterior or posterior crowns. IPS e.max press is indicated for full anterior or posterior crowns and three-unit bridges having only one pontic with the second bicuspid as the most distal abutment. Veneers can also be indicated and are recommended when combining with adjacent IPS e.max crowns or bridges, provided ample reduction is achieved. Otherwise, original IPS Empress or IPS e.max CAD would be indicated for veneers, inlays and onlays.
IPS e.max should not be used on patients with malfunctional occlusion such as bruxers or clenchers. IPS e.max should not be used as abutments for cast partials. IPS e.max should not be used in situations when preparation requirements cannot be achieved. IPS e.max is not indicated for Maryland-type bridges.
Anterior full-coverage crowns require a chamfer or shoulder margin. A circular shoulder is prepared with rounded inner edges or a chamfer at an angle of 10-30°: the width of the shoulder/chamfer is approx. 1 mm. Facial reduction is 1.5 – 2 mm; 1 – 1.5 mm lingual contact clearance. Incisal reduction is 1.5 – 2 mm with rounded internal line angles, and an incisal edge at least 1mm wide to permit optimum milling of the incisal edge during CAD/CAM processing.
Posterior full-coverage crown requires a chamfer or shoulder margin. A circular shoulder is prepared with rounded inner edges or a chamfer at an angle of 10-30°: the width of the shoulder/chamfer is approx. 1 mm. Occlusal reduction is 1.5 – 2 mm: axial reduction (buccal, lingual and interproximal) is 1.5 mm with rounded internal line angles.
For greatest strength, and where preparation allows for dry field (supra-gingiva margins), it is recommended to use adhesive bonding, such as VarioLink II (Ivoclar Vivadent) or similar dual cure materials (Insure, Cosmedent; Nexus, Kerr; Choice, Bisco, Inc.; Lute-It, Pentron).
For areas subgingival, or when a dry field cannot be achieved, Ivoclar Vivadent recommends a hybrid glass ionomer cement system with less than 0.5 percent expansion. (NOTE: Resin-reinforced glass ionomers (Advance, Vitremer) are not indicated for any all-ceramic restoration.)
Concept: Dental porcelain crown is one of our main products, which the features is good biocompatibility, superior quality, favorable price and punctual delivery. The crowns made in all ceramic have better biocompatibilities than pfm crowns. Feature: 1.Good marginal seal. 2.Beautiful , Adjustable color made of the same color as real teeth 3.Good biocompatibility. In particular the production of bio-ceramic dental precious metals and porcelain teeth, because of its chemical inertness and electrical corrosion resistant, non-allergic tissue 4.Extremely high strength.
Why choose Topcrowns:
1. We are 100% factory from 2003, we located in Shenzhen city, Guangdong, China 2. Using imported and excellent material and solved effectively the situation of drymouth and halitosis, feel more comfort 3. Competitive price 4.Make the teeth more natural and lifelike 5.Nice margin fitting fase teeth which will be guaranteed by skillful technicans. 6. Prompt delivery,we could send the parcel to hongkong lINEX/Fedex/DHL/UPS 7. we can do the designs according to the customers'requirement 8. we can offer you the high quality & reasionalble price 9.Goog biocompatibility can guarantee human being's health 10.Passed ISO registration, enclosed quality guarantee card How to start: A. Write an ordersheet, fill it with detailed instructions;
B.Please prepare the following itemsbefore sending the case:
a. Order Form b.Impression Tray for working model c. Opposite model d.Bite registration (if necessary) e.Pls included all implant parts if the case is the implant.
then print your commercial invoice for customs and an air waybill ( provided by your shipping courier company like Fedex )for shipping.
C. Inform us the tracking number. We will pay for the shipping cost back to your office whenever you send over 20 cases in one package.
a.4 days for PFM, Denture,CCP Framework,Zirconia;
b. 5-6 days for two Combiantions;
c. 7 days for complicated;
As soon as we receive your shipment, we will email you an itemized "Request for Payment" invoice. We will begin processing the cases once we receive the shipment, but will not under any circumstances release the finished products without complete payment. No special arrangements will be made at all.
Please note that we have chosen Paypal as our primary form of payment. Once your order arrives in our lab. we will send you a "Request for Payment" email for the total amount of the order, that acts as your itemized invoices. For big money, you can choose bank transfer to our bank account.
Once your payment is reach and confirmed, your finished cases will be released from our lab and head your way. You don't need worry if you don't have a paypal account because establishing one is extremely easy and cost effective. To create your paypal account at : www.paypal.com
Remakes: are handled on a case by case basis. If you select us to remake your dental works, we will need the original case restorations and original case number accompanied by a new impression and explanation of the specific malfunction. Once we receive this, we will determine where the fault originated and decide the appropriate action. If the mistake was made within our lab, we will remake the case at no charge. Packaging: Mainly packed by carton or other common security package,we insist use PE bag package for each single items,plastic box with foam inside,Carton box outside. you also can give us your special requirments about it. We will try our best to make sure the goods arrive safely. Shipment: 1. Your order will be sent via International Express(DHL,Fedex,UPS, TNT or LINEX) after you finish the payment. 2. We will offer the tracking number for you to check the status of your items online at any time. 3. It usually takes about 3-8 days for customers to receive their items.But some times, it will take more time for custom to handle it, so you should wait 2-3 days more. About US
1. Do you a trade company or real factory? - We are 100% factory, we located in Shenzhen city, Guangdong, China. 2.What are your company main products? -We are specialized in exporting of all kinds of denture works.For example:CCM/CC/ZIRCONIA/ACRYLIC DENTURE/FLEXIABLE DENTURE/CCP FRAMEWORK AND SO ON.Size,color or shape customized . 3.If we cooperate with you, can we get enough guarantee? - We are committed to provide customers with the most competitive price to enhance our long-term cooperation. For mutual benefit, we spare no efforts in satisfying our customer in every possible way. 3. How many years your factory in this line? - We started from 2003, got rich experience of making any dentures as request,now have many long-term customs in the world. 4. How can we start order with your factory? - First, leave us an inquiry and advise which item you're interested, then we will contact you in 24 hours.You're so kind if provide all detailed information, will better for us to know exactly what you need. 5. How is your sample policy? - We would like to charge the sample first, and you shoulder the freight, after confirmed an order not less than our MOQ 500 pcs, we will refund sample charge. 6. Payment terms? - T/T, Western Union, Paypal,usually 100% prepaid as deposit and balance before shipping.