Bruxzir crown fracture Yes, Bruxzir crown fracture does occur. When it does it is often due to poor prep design or poor handling of the material. If you want to see some zirconia framework fractures click here. Bruxzir crown fracture due to poor prep design The main prep design issue is not giving the laboratory […]
Looking to fix a broken tooth that “needs” a dental implant but not wanting to spend the money? Here’s a great, cost savvy solution! Elizabeth came into the office with a fractured front tooth. After falling ice skating, her tooth had broken at the gum line. After consulting with a few dentists about options and […]
Have a broken bridge? Rather have it repaired than replaced? In need of broken bridge repair? Ok. That can be a very cost effective option. Alex had broken one of the porcelain teeth from his bridge. He did not want to have to replace all 4 teeth that the bridge was attached to. To do […]
Porcelain fused to metal dental crowns replaced with emax porcelain crowns Case of the week Harry had old PFM crowns placed as a young man after a skiing accident broke both teeth. At the time this was the best result that was possible. Harry was interested in upgrading his smile and closing the gap between […]
VSE v VPS v PE VSE (vinyl siloxanether) is the newest impression material and reports to have the advantages of both PE (polyether) and VPS (vinyl polysiloxane or addition silicone). VSE acceptable Stober 2010 J Pros Dent VSE better Pandey JDental Medical Sciences 2014 VPS better Schaefer 2013 J Pros Dent Many of these numbers […]
Shore Hardness in dentistry Shore Hardness – A method of rating the hardness of a metal or of a plastic or rubber material. Shore Hardness – measures penetration of a blunt indenter into a soft or elastic material and is useful for soft materials such as elastomeric materials. Confusing part – Shore A is used […]
How to close an open crown contact by yourself Need a porcelain furnace with a vacuum, some add-on porcelain, modeling liquid and a brush. Need to know coefficient of thermal expansion (CTE) and firing temperature for your porcelain. Add-on material must have the same CTE and a lower firing temperature than the material you are […]
Case of the week Matching a single front tooth can be very challenging for both the dentist and the lab tech making the crown. I give credit to my lab partner for her excellent work on this case. Can you guess which of these is a new crown? For answer scroll down…… Bryan Bauer, […]
Well basically you are done! If you received anesthetic to seat the crown and are numb, don’t eat until the numbness goes away. This is strictly so that you do not bite yourself and has nothing to do with the crown. If you did not get numb you can now eat and chew whatever you […]
Zirconia dental crown Most popular brand is Bruxzir New Trend – Partial or Hybrid Zirconia dental crown Zirconia-reinforced lithium silicates (ZLSs) are #2-3 Schutz Dental has a new zironia reinforced composite for its Tizian milling machine Dentsply has Zir reinforced lithium silicate called CELTRA CAD for their Sirona MCXL Vident had same as Dentsply called […]
I used to use Emax nearly exclusively in the posterior. My protocol is 1) try in, floss etc..- 2)pa or bwx to confirm seat. 3) Ivoclean the internal aspect of the restoration for ten seconds, rinse and dry 4) Silane 5) Rely X unicem 2 if the crown is > 1.5mm thick, quick tac […]
Feldspathic glass ceramic – CEREC Blocs by Sirona and Vita Mark II by Vident – high translucency flexural strength 154MPa 4µm particle size Leucite-reinforced glass ceramic – IPS empress CAD by Ivoclar – feldspathic glass ceramic with leucite added. 35-45% leucite 1-5µm 160MPa 2006 Lithium-disilicate ceramic – IPS e.max CAD by Ivoclar – 40% “blue […]
Material used for dental crown temporization Acrylic Bis-acrylic Rubberized urethane – Tuff-Temp
Dental crown survival rates Dental crown categories can be sub-divided into porcelain fused to metal 3,2 (many different types of metal being used), porcelain fused to ceramic (alumina and zirconia but really just zirconia), metal crowns 4 (many types), ceramic crowns 1 (also many types), and the newest form of ceramic/resin hybrids (also many types). […]
