Gutta percha removal - Laser Dentistry Forum

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April 14, 2005 at 4:29 pm #2712 Reply

Anonymous
Guest

Hi all,

Now that I don’t have to mess w/ taking photos of er,cr:YSGG all the time, I thought it was time to take photos of some ndYAG procedures.

Nothing earth shattering here, but I don’t think there is a slicker way to remove gutta percha prior to post placement or to use the canals to help retain a core. Really takes the worry out of the initial post preparation because you can see the direction of the canal.

FRVPND:YAG 150mj 20 hz 100usec

April 14, 2005 at 10:32 pm #5492 Reply

Robert Gregg DDS
Spectator

Yep,

That’s pretty slick and easy.

Mentioning to the folks here at Bootcamp today, it was an eye-opener.

Looking forward to more!

Bob

December 6, 2005 at 9:49 am #5489 Reply

doctorbru
Spectator

Cool Ron,

Was the gutta percha heated in a defocused mode and then removed with another instrument ? Or was there direct contact with the gutta percha and the fiber ? Did the gutta percha stick to the fiber for easy removal ? I tried removing gutta percha as you showed and got alot of sparking and noise that got mine and the patients attention.

Bruce

December 6, 2005 at 1:19 pm #5491 Reply

JanetCentury
Spectator

Great Ron! Removing GP is one of my least favorite things.

Thank you for posting.

Janet

December 6, 2005 at 2:07 pm #5487 Reply

Anonymous
Guest

QUOTE

Quote: from doctorbru on 4:49 am on Dec. 6, 2005
Cool Ron,

Was the gutta percha heated in a defocused mode and then removed with another instrument ? Or was there direct contact with the gutta percha and the fiber ? Did the gutta percha stick to the fiber for easy removal ? I tried removing gutta percha as you showed and got alot of sparking and noise that got mine and the patients attention.

Bruce

Bruce, I had my assistant spray water on the target as I did it. 1st time I did it w/o water and got the same sparking and noise as you did. Actually the laser energy just ‘vaporized’ the g.p. and I didn’t need any other instruments.

December 14, 2005 at 7:03 am #5488 Reply

doctorbru
Spectator

Hi Ron,

Went ahead and used the water spray and viola. ..first time in twenty years I had fun removing gutta percha.

Thanks for the great info.

Bruce

December 15, 2005 at 2:18 am #5490 Reply

jgoelz
Spectator

Thanks Ron, totally cool. No chace of cracking a root either. Being so much easier, I suspect we’ll be doing this in more (all) canals in the tooth & a bit deeper when we do this for core retention instead of using a post.
If one didn’t mind the sparking etc, could one do it w/out water & meerely suction the vapor? I haven’t had a chance to fiddle w GPercha-laser-interaction yet. Or was with water clearly superior operating conditions?

December 15, 2005 at 7:51 pm #5486 Reply

Anonymous
Guest

John, W/O water I think there would be 2 concerns-

1. Heat build up if you dilly-dallied too long.
2. Smell and sound. There can be quite a pop sound.

IMO, its just is easier to add a little water than to explain to the patient what they’ll be smelling and hearing. Also it seems like you get less black discolorization (carbon) which I think would interfer w/ the bond if not removed.
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