Forums › Erbium Lasers › General Erbium Discussion › Lasers , Crown Preps and BU
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vinceSpectatorVery nice Glen. What resin cement do you like to use to bond the post in place?
Awesome pics. Take care.
Glenn van AsSpectatorThanks Vince, I use Resinomer cement I think it is from Bisco which is a dual cure resin cement. I often use the Argon laser to cure the cement immediately but my Argon is down and awaiting a part so I used regular curing……..
With the Argon it is set instantly.
Take care and all the best.
Glenn
ASISpectatorHi Glenn,
Very nicely done. Man, that pulp chamber floor looks pristine!
Did you use a 200u fibre to decontaminate the canals? If so, are you using it routinely?
Please tell me more about System B technique.
Andrew
Glenn van AsSpectatorHi Andrew: Thanks for the feedback. I have seen guys use AA with the pulp chamber floor but I dont like the mess with the scope but it is also useful to clean the sealer off. I use a 200 or 300 micron endo tip 3 mm from the apex with water for 30 secs per canal. My tips are shot so I need some new ones (for the Erbium yag of course). There seems to be less tissue in the canal after I use it, but make sure that you keep it from the apex 3mm or you will widen the apex.
System B is sold by many people (in the USA its sold by Spartan Obtura but here in Canada it is sold by Sybron and Patterson as well I think).
Steve Buchanan started talking about it in the 90s for his vertical wave condensation technique which I have modified to try and prevent pulling out cones and to try and get a little more pressure on the downpack.
Some people prefer the Touch n Heat and Schilders old manner of sequential searing and softening of GP down to a couple of mm from the apex (usually 3-4mm) but I like the System B and the Buchanan technique that we have modified.
Lateral condensation works ok but I do get the odd accessory canal now with the warm GP that I never got with lateral………Is it important ……..who knows.
Glenn
SwpmnSpectatorGlenn:
I like the way you do your preps with the nice shoulders. Not always possible due to tooth inclination or other factors but good when we can give the technician a true cut back margin. The diode laser works great to create a trough below the margin so we get a “flash” of impression material and makes it so easy for the tech to trim the die. I can’t see as well as you but this is what I also try to emulate.
Al
Stewart RosenbergSpectatorBeautiful case Glen and fantastic pictures. It really makes me more and more anxious to get my scope already. I’ve been borrowing one from Stefan Luger of Seiler for my courses but it’s his demo and he keeps having to take it back.
Stu
Glenn van AsSpectatorHi Allen: You know for Procera I hear a chamfer is preferable but I seem to always prepare shoulders. For an endo tooth I dont worry about the amount of tooth I take off but I tell you that its not easy to work at 10-16X mag but its harder to show you my dentistry at that mag as every little dip and fault stands out.
I like the diode for troughing compared to the erbium as I dont think shaving or planing tissue creates the ideal trough and in addition I think that the erbium is tough on inflamed interproximals (that only happens with my poor OH patients not in florida)
I am glad that you try to emulate anything that I do as before I got the scope …..NOBODY care one iota about anything I had to say , not even my wife……
Come to think of it she still doesnt care one iota.
Thanks for making my day.
Stu …thanks for the kind words. The microscope is a whole new world and the photos which for me are routine now still cause people to stop and look and say hmmm…..
Like when they can see the apical plug of GP 3-5 mm from the end of the root……it gets them to think.
Stefan is working hard to network on the net and I give him full marks for that.
The scope slows you down but it sure helps out in those tough cases of endo and restorative work when we can barely see what the heck we are doing.
Take care Stu and maybe one day I will get out your way.
I am going to be lecturing and a hands on at the DC meeting in May, and I know you are here in Vancouver lecturing on lasers for the Pacific Dental meeting but I will be in Palm Springs for the ALD meeting the same weekend.
Take care and talk to you soon.
Glenn
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