Forums › Nd:YAG lasers › General Nd:YAG Forum › When is enough enough?
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wiemsSpectatorSo I did my book training for my ng YAG laser (Lares Pocket Pro 8 watt), but I have yet to have my hands-on training. I have used my laser for tissue troughing around a couple of crowns, and and it seems obvious when the treatment is done for these situations. Today, i used the laser to do some sulcular debridement on my dental assistant (a couple of 4-5 mm areas), and I really didn’t know when I was finished or not. Any advice?
Also, I notice that the filament tip collects melted tissue residue, and it doesn’t necessarily come off easily. It seems to collect on the sides of the filament, and the tip seems clear. is this OK, or do I need to clean or re-cleave the tip during the treatment?
I also noticed that there was melted tissue residue on the teeth that I troughed for crown impressions. it was sticky black stuff that I had to remove with a scaler, which got things bleeding. I finally just pulled out the Viscostat to close the deal so i could get an impression. Is this normal to have this residue, and any advice for removing it easily?
Lots of questions, any feedback would be appreciated! Andy
AnonymousGuestAndy,
I’m not a nd:YAG user (yet-will be in about 2 months, thanks Bob G.) but from my experience with a diode, black is either char (which you don’t want) or remnants of the carbon paper used to ‘activate ‘ the tip.
Any chance of posting pictures? I’m sure someone could tell you exactly what it is then.
BenchwmerSpectatorI’ve use the same laser.
You didn’t mention settings, duration, pulse width.
The lowest power that does the job, there should be not charring, or tooth changes.
Do you check your power at the tip with a power meter?
Machines can vary by 20% over or under machine settings at tip.
When is training? Be careful.
wiemsSpectatorThanks for your reply, Jeff
I have been using the laser on 2 watts 20 Hz for troughing, and 1.5 watts 15 Hz for debridement.
I didn’t note any tooth changes, although the tip does tend to spark (light show) when it comes in contact with tooth structure.
My assistant is still alive i should note, and her mouth feels good.I haven’t really motivated to take photos of the teeth I have been working on, but I must say that I am getting the hang of it. My in office training will be in a few weeks.
I do notice that the trough around the tooth is a bit rough looking – not as clean as I would have hoped for. Could be a technique thing, but i have read of other people mentioning the same thing. The sulcus just doesn’t seem as clean as when i use cord. Hmm…I don’t have a power meter.
AnonymousInactiveAndy,
How did your training go? Did you get all your questions answered? Your success will depend a lot on the training so that you do not need to “reinvent the wheel” in your search for understanding of lasers in dentistry. There is a lot of good information in this web site.
Glenn van AsSpectatorAndy try rubbing the troughed out area with hydrogen peroxide in a Ultradent syringe with the little brush (mop) head on it.
I like that technique for removing the tissue tags and getting loose fragments away from the margin.
I also sometimes use a bur to retouch up my margin and this will also remove some fragments often without bleeding if you are careful.
Try those two things.
Glenn
GeoffSpectatorAndy, My only experience with lasers has been with Millennium’s PerioLase MVP7 and since the day it arrived after ” laser boot camp ” I shelved my radiosurg and haven’t packed any cord. The bulk of my treatment is C&B and the time saved in not worrying about hemostasis has been welcomed. I take hydrocolloid impressions so tissue retraction is a must. Patients report faster healing and less pain post op. I’ll echo their comments since I’ve also been a patient. ( no relation to hair club for men ad ). Take the plunge and get a PeriioLase Nd:YAG and their unparralled training and support. I’m only an hour away so if want to see the MVP-7 in action give a holler.
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