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Viewing 15 posts - 6,376 through 6,390 (of 8,505 total)
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  • in reply to: Re: Er:YAG Lasers, Contact tips and more! #9450

    Robert Gregg DDS
    Spectator

    Don’t forget the other dependent variable–

    Pulse Duration

    Pulse duration effects both the depth of absorption–via peak power changes (and vice versa).

    Shorter PD, higher peak powers, more rapid heating of the irradiated volume, smaller area of lateral/forward thermal “consequences”.

    Longer PD, lower peak powers, less rapid heeating of the irradiated volume, larger area of “forward/lateral thermal consequences”.

    And pulse duration also effects the peak powers as they relates to Hz. Higher Hz, lower peak powers.

    Just my 2 gallons of gas….American!!

    Bob

    in reply to: Re: Er:YAG Lasers, Contact tips and more! #9452

    Swpmn
    Spectator

    Acknowledging I’m not the sharpest tack in the box, math on the proof confuses me. Would seem that if Average Power in both instances is the same at 4.0W yet the Repetition Rate doubles, would not that mean the Energy setting in the first example is 400mJoules while in the second is 200mJoules? I don’t understand but perhaps it doesnt matter with regard to Peak Power per Pulse.

    Anyway, regardless of my misunderstanding we do observe efficient ablation of enamel/dentin/caries with an Er:YAG laser at 10Hz. In fact this has become our default setting for repetition rate. I suspect the contact tip concept is promoted to make hard tissue lasers “user-friendly” for us tactile trained dentists. Maybe this would be useful for “feeling out the bone” in the controversial Closed Flap Laser Crown Lengthening Procedure.

    Al

    in reply to: Completed Periolase Boot Camp #5954

    Swpmn
    Spectator

    Congratulations Janet!!!! Hope you and Howard are well.

    I’m most interested in case selection criteria. How does one determine which patients can be treated via LPT versus when it is best to refer to the periodontist?

    Please keep up informed regarding success rate with the LPT procedure.

    Al

    in reply to: Completed Periolase Boot Camp #5934

    dkimmel
    Spectator

    Janet,
    I’ll second that congradulations!

    in reply to: Rethinking Waterlase enamel settings. #7238

    Kenneth Luk
    Spectator

    Hi Glenn,
    Here are a few photos. I hope I still remember how to download them[img]https://www.laserdentistryforum.com/attachments/upload/Delos pic.JPG[/img][img]https://www.laserdentistryforum.com/attachments/upload/Delos pic 2.JPG[/img][img]https://www.laserdentistryforum.com/attachments/upload/Delos pic 3.JPG[/img]

    (Edited by Kenneth Luk at 5:46 am on April 20, 2005)

    in reply to: Rethinking Waterlase enamel settings. #7218

    Glenn van As
    Spectator

    Looks cool Ken and I like the diode erbium combo. Neat photos thanks for sharing……rushing off to work now.

    Glenn

    in reply to: Rethinking Waterlase enamel settings. #7211

    Albodmd
    Spectator

    Cool looking machine. Does it have a 3.0w or 30w diode?

    in reply to: Completed Periolase Boot Camp #5942

    Albodmd
    Spectator

    I’ll round out the congrats from the Florida guys. Hoping to join you soon.

    in reply to: Re: Er:YAG Lasers, Contact tips and more! #9451

    Robert Gregg DDS
    Spectator

    Dear Sharp-tack,

    If rep rate doubles, peak powers, and pulse powers are 1/2, correct.

    Bob

    in reply to: Completed Periolase Boot Camp #5944

    JanetCentury
    Spectator

    Thanks – we are very psyched. We have 2 patients scheduled now! And would have had another, but I wasn’t sure (Bob pop in here) – she’s on constant oxygen and I just had this vision of setting the nice 85 yo lady on fire – yeah, I know that’s an exaggeration and it probably would be fine, but.

    My criteria is pretty much anything above 5 mm pockets. The patients we treated as part of our training had well over 8-9mm pocketing. I think I will be sending grafting patients to the periodontist.

    We can’t make it for our six month Day 4 on the October date, so we’re going in November or December. Maybe you can hurry up and get yours in time to do Day 4 with us! smile.gif

    in reply to: Rethinking Waterlase enamel settings. #7183

    dkimmel
    Spectator

    It is a cool looking laser. I do have one major gripe with laser designers. Have these guys ever heard about ergonomics. I have yet to see a laser that was designed with proper ergononics for a dental operatory. Most of the time you have to do a class three motion just to find the place to place the handpiece much less put it back to rest.
    Ok so I am a little testy tonight. Time to go home.

    in reply to: Completed Periolase Boot Camp #5961

    czeqm8
    Spectator

    Janet, I am glad to hear that you have your first patients scheduled. I am waiting to schedule until my laser arrives. I also have several patients lined up right now who have refused traditional perio surgery. They keep asking me when the laser is going to be in. I think a couple of them are more excited that I am for delivery.

    Hey swpmn, I think I am done with referal to the periodontist for surgical treatment of periodontal disease. The cases that I have seen with LANAP are amazing. Boot camp showed many cases and all were at least as good as traditional surgery with regard to bone levels. In many cases the bone was better than what I am seeing come back from the periodontist. Probings look great and the recession post surgery is nothing like it is with surgery. (Basicly, the recession is non-existent.) I see almost no need for traditional surgery. It seems barbaric to me now. I would never go through with surgery if I was the one with disease. I would choose LANAP. Therefore, I will recommend that for my patients as well.

    Matt Brink

    in reply to: Completed Periolase Boot Camp #5940

    Albodmd
    Spectator

    Can the periolase help with areas of insufficient attached gingiva or areas that need grafting?

    in reply to: Completed Periolase Boot Camp #5949

    Robert Gregg DDS
    Spectator
    QUOTE
    Quote: from Albodmd on 10:12 am on April 21, 2005
    Can the periolase help with areas of insufficient attached gingiva or areas that need grafting?

    Hi Al,

    No, not really.

    Some are reporting some corornal rebound of tissue following LANAP, but no one knows how to predict or controll it….

    Bob

    in reply to: Broken Tooth #6948

    Benchwmer
    Spectator

    Post-op photo at 4 months.
    Tooth still vital.

    MaxB4605.jpg

    Jeff

    (Edited by Benchwmer at 11:39 am on April 21, 2005)

Viewing 15 posts - 6,376 through 6,390 (of 8,505 total)