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  • #6062 Reply

    Glenn van As
    Spectator

    Hi Mark: My unit is one of the first Continuum units and has water and air into the laser, with a filter pack.

    Now they have the same distilled water system available and you can put warm water in the unit.

    I havent got that luxury but could order the water bottle. I might do so but let me think about it for a while.

    By the time I get around to it , it will be June and the weather will be warm…….

    Good point though- as usual.

    Glenn

    #6046 Reply

    Anonymous
    Guest

    Mark,
    Have you noticed any difference in cutting with the warm h2o? It ‘s probably my imagination , but I warmed up the water bottle(placed bottle in bowl of tap h2o as warm as it would get) and it seemed like I was able to remove tooth faster than anytime before. I could actually imagine prepping for a crown and not being there 2 days doing it smile.gif Anyone else see variation w/ h20 temp?

    #6059 Reply

    2thlaser
    Spectator

    Hi Ron,
    Actually now that you mention it, it does seem that way. I DO know that patient comfort is a bit more steady, in that the warmer water is more “gentle” to the dentinal tubules. Let’s face it, when we blow air on a cut tooth, it’s sensitive anyway, add water, cold at that, and more sensation, mix the laser energy in, it lessens, BUT warm water helps. Another thing would be to warm the air, but I don’t have a clue how they could do that. Interesting observations huh?
    On another note, Glenn, how are you feeling?
    Mark

    #6063 Reply

    Glenn van As
    Spectator

    Still not good, the doc says with pneumonia that the coughing doesnt stop for up to 6 weeks ( I am in week 3) and that the energy levels can be low for up to 3 months.

    I am working 5 hours a day this week, trying not to overdue it and have a set back.

    Thanks for asking and if I can get through the next 2 weeks then I will have 2 weeks off to get better.

    Cya

    and thanks for asking.

    Glenn

    PS interesting stuff about the water bottles makes me want to get an enclosed system and see if it will work better…….with the warm water.

    Glenn

    #6078 Reply

    Robert Gregg DDS
    Spectator

    Mark and Glenn–

    Pretty soon you guys will be designing your own erbium lasers with the features you need as clincians–not what the engineers just hand over to you!  😉

    You know–heated air and water, closed systems, variable pulse duraions, specially designed tips for specialized uses, new fiber-optics, delivery systems, handpieces, etc.

    Oh, and by the way, document your ideas in a journal with date and time.  Make rough drawings too.  Have a witness sign the page and date it.  It’s easy to do.  Who knows, you might come up with a really valuable invention–obvious to you, but not others.  Then the queston becomes, “Is it unique AND unobvious?” That = patentability.

    Don’t expect manufacturers to acknowledge your contributions or inventions, or pay you for your ideas and designs, or give you intellectual property rights.  Pretty soon, once the newness and excitment wears off, giving all your ideas and time away will start to become a burden on you, your staffs, and your families.  

    Manufactuers don’t care.  

    They are happy to use you up, then replace you with the next generation of “young guns” with lots of energy, enthusiasm and time.  I’ve been watching this for the last 12 years.  Got caught up into it myself a long time ago.  Saw LOTS of laser friends come, get used up, and go.  Trying to bring them back is HARD.  GREAT guys, GREAT laser clinicians, GREAT laser innovators and laser pioneers  like Stoval, O’Grady, Brundrett and Rocklin.  Just like you guys now!  Names you’ve never heard of, but now lost and gone from the scene (Brundrett was past president of ALD, one of the first HGM argon users, friend of the executives once at HGM–now at Biolase, now doing dentures in a denture clinic–no interest in lasers anymore).:(

    But I guarantee you that manufacturers are listening to your ideas.  Any company offer travel and free attendence at company sponsored conferences?  Think about it…….  

    But whether THEY see your ideas as valuable or not determines whether or not the ideas get incorporated into the new device refinements.

    We spent YEARS trying to get manufactuers to build variable pulse durations into lasers for us to buy.  We were told by engineers that pulse width doesn’t matter.  CEO’s listened to their engineers.  

    Now two manufacturers have variable pulse durations in dentistry in addition to our PerioLase MVP-7:  Kavo Key 3 erbium & ADT Cavilase.

    Choices, not restrictions….options, not limitations are what clincians want in their devices.  You guys are finding out how indispensable your lasers are for you.  Imagine that a maufactuer decided not to make them any more….or not incorporate your needed refinements…….  Scary thoughts, huh?

    Glenn–a couple of days of lost revenue recovery, and you can justify a biostim laser and get you back in the pink sooner.  Just a thought–hope you get well soon.

    Sorry for being so sober.  I’ve just seen too many laser dentists (and laser manufacturers) come and go after suffering burn-out, disappointment, lost income.  I’d like to see you guys stick around for a long while.:biggrin:

    Doesn’t it seem strange that no one else but me posts on the Nd:YAG forum.  There were once thousands of us……where’d they go?

    Just the ramblings of an old laser man……

    Bob

    #6066 Reply

    Glenn van As
    Spectator

    Bob : that is the great thing about your posts, is that you have seen it all and done almost all and yet you still find the energy and desire to educate us.

    I get tired of listening to the naysayers and when I get to that point I just think fine, I will do it and there will come a time when others will want to listen.

    I also have found that pictures solve alot of the naysayers. Its easy to disagree with someone til they provide proof, then people get a little quiet. Particularly if the pics are microscope ones.

    I have talked to Gary Carr who is in Sandiego and a pioneer of microscopes in endo…….he rarely talks about his travels because he got tired of all the criticism.

    In Nov. he gave a little history lesson and a testimonial to all the people he taught microscopes to, the pics were from 94 , 95 etc………even before I even knew about scopes.

    He told us that the first lecture he ever did , the future president of the AAE stood up half way through and yelled out………..this scope stuff is utter B.S. and walked out…………..

    Can you imagine how he felt, well he realized that S.E.M.s werent gonna mean squat and he started to get GREAT photos from his microscope doing apical retrofills with ultrasonics and when he showed these pics at 10-24X power guess what happened……….

    People got awful quiet………..

    I find the same thing, but will admit that there is comfort in posting here , yes there are lurkers but no derision .

    In closing I have seen a paradigm shift happen at the laser board at Dental Town. Now that some of the leaders have purchased a Waterlase, the rest of t he guys are asking well how much does it cost etc . etc.

    The critical mass will move a product when there are enough people using it but then the novelty disappears.

    The same thing will happen with scopes or some form of advanced magnification and I do hope to be still praciticing then.

    This board is great Ron because it is for sharing and learning and kudos to the “old guard” like you Bob who share not only your incredible knowledge but your history.

    As for making a laser……….nah…….no time.

    To many other microscope projects on the go.

    Take care and all the best………..

    Glenn

    PS thanks for the great read as usual.

    #6077 Reply

    Robert Gregg DDS
    Spectator

    Glenn–

    Thanks for being so kind with your words to the “old man”!

    Don’t let the naysayers get you tired or run down.  The trick with this new technologies stuff is to be the tortoise, not the hare.  Pace yourself, and stick around.  Work on and with the science, not the hype (you don’t)  or chasing the novelty applications, and you’ll be around not just to see it, but to participate and enjoy it too.

    I certainly can relate to Gary Carr and microscopes.  I’ve had my Global for 3-4 years now myself.  Never really thought much what others felt about it.  But I don’t lecture on it either.  Does it make a clinical difference–sure does.  I can see and do stuff I never could before.  Add that with laser capability and WOW!

    And nobody shows that better than you do with your photo skills!

    Yeah.  I CAN imagine how Gary felt when he was publicly and unfairly ridiculed by an “esteemed” representative of a specialty group.  

    Del and I unwittingly incited an entire specialty when the AAP wrote an official statement condemning our work with Laser ENAP:

    http://www.perio.org/resources-products/enap_laser.htm

    Of course they jumped the gun.  We aren’t through with our research and we were  just introducing Laser ENAP as a concept when the AAP wrote the paper (without any contact or discussion with us of course).

    Ha!  We wear it as a badge of honor now.  One day soon, they will be removing that from their website out of embarrassment…..and they will be awfully quiet.

    Thanks again for the kind words.

    All the best, and get well soon.

    Bob

    #6072 Reply

    Patricio
    Spectator

    Mark,
    I had a lower second molar today which I could not touch beyond a defocused effort to “numb” the tooth. I went at it twice at 4W for the prescribed time but nada. I finally uses a local. Any suggestions?
    Pat

    #6056 Reply

    2thlaser
    Spectator

    Hi Pat,
    Tell me about the patient. How old, male/female, previous restoration, any cracks/crazes, occlusion, bruxer, etc….I MIGHT have a suggestion/answer, I have idea’s. Hope I can help!
    Mark

    #6079 Reply

    cerecdoc
    Spectator

    You said 5.5 watts defocus. At what distance from the tooth is defocus. And what is the air and water setting.

    I zapped my palm pretty good at 6 watts and no water about three inches away with my waterlase the other day. I can hear you laughing!

    Please spell it out so a dummy like me can get the details.

    My training on anesthesia was about .5 watts about 10mm from the tooth with no air or water to speak of.

    There is a big difference between 5 watts and .5 as I was trained to do. What am I missing?

    #6069 Reply

    Patricio
    Spectator

    Mark,

    This patient is a young man of about 30 who seemed a little bit on edge and readily sensitive to limited contact with the laser and the small round bur. The area in question was a fracture site on the facial occlusal aspect of the distal facial cusp. From the coloration of the dentin I would say there had been a crack which finally gave way to a fracture. No obvious wear facets. Normal tissues and no other restorations. This area had been repaired twice before. The previous preparation was very minimal which makes me wonder if this was due in part to his sensitivity. He wanted an gold inlay but decided he could not afford one at this time so I, hopefully, improved the potential for the composite restoration with the laser and some retention.

    #6053 Reply

    2thlaser
    Spectator

    Hi Pat,
    One of the things I have noted over time is that teeth with fractures, crazes, and especially worn areas due to bruxism, have much more sensitivity than most with the laser. In addition, it seems that lower molars especially are more prone to extra sensitivity. I usually make sure I anesthetize with at least 5.5W for almost 2 minutes, BUT if the patient is already “jumpy”, or as you say, a little on edge, they expect pain, so, I just numb them anyway, as I have learned the hard way. They may not be feeling anything, but their PERCEPTION is that of discomfort, and there is no winning in that situation as you found out! I wish I could tell you I have had no problems in that regard, but I can’t. I think if you would have just tapped gently with an explorer on his tooth, he would have reacted, and sometimes I do just that to “test” the patients expectations before I even start. As far as the improved potential, you are right, the composite will have good retention from the laser prep alone as well as the bonding agents too. You did good, as usual, caring for your patient. Sorry I couldn’t help you along any further. Bob, what are your thoughts as you read this thread? Glenn? Ron?
    Mark

    #6074 Reply

    Patricio
    Spectator

    Mark,
    Thanks for the help. I will beef up my watts next time but it sounds like I proceeded with a similar thought pattern. I have done a few kids of late. What a piece of cake.

    A fellow asked me today if I could do his crown prep with the laser. Imagine that.

    My fiber optic cable began leaking water backwards, dripping at the base. I tried the Tech’s remedies but the leaking continued. I began to panic like if you found your arm was missing. Then I remembered I have two spare cables in the basement. I ended up with them after some early problems with my new laser. I don’t know what one costs but I can recommend having an extra one on hand. We were back in business in about 15 minutes.
    Thanks again.
    Pat

    #6058 Reply

    2thlaser
    Spectator

    Pat, As far as the spare fiber is concerned, they are quite expensive. I had some trouble in the beginning too, but mostly operator error that blew a fiber or two, but Biolase came to the rescue overnight each time with a new fiber, and within 2 minutes I was back in the laser business. They are great with service. I recommend keeping your laser up to date with the service contract they have. ANYTHING that can happen will be covered, and believe me, as you get used to having that laser around, you won’t be able to operate without it, your patients will reshedule rather than have the drill, I know, it’s happened. We renamed our pratice The Montana Center for Laser Dentistry, and when you don’t have a laser working, hmmm…..You get it? SO, that being said, I keep up to date, and make sure also that my staff is trained to keep the laser in good working order. TLC is mandatory for these precise instruments. Anyway, keep the thread going, good anethesia cases. I also did another amal removal the other day, so cool what you guys have taught me! Thanks.
    Mark

    #6071 Reply

    Patricio
    Spectator

    Mark,
    I had two fibers which were damaged early which Biolase returned to me repaired at no cost. No over night waiting for me now. Most dentists have redundent systems for various equipment and I wonder what the issues will be for the one laser.

    The technical people are very good and responsive but to fly into the bush requires a little planning and lead time. If I need a tech it will be at least two to three days from my call based upon experience. I have had to reschedule patients already and eventually most patients will come to expect laser care and want to wait if possible. In my own case I have open times during the week where I can shift people when necessary to keep production up.

    I am going to think about the idea of a name change reflecting the laser. Right now I am marketing the laser through the media. The TV station is coming in tomorrow for the third time this year. They call us. We are having our annual Christmas charity day tomorrow. The have filmed the laser in action and our Rembrandt whitening program.

    I expect two or three other offices in my community will have lasers in the future and we could all end up with laser center in our signage. Our wonderful service to our patients is our real advantage.

    I had a gentleman today who had tooth #25 waving in the wind. It was very painful and had some swelling of the tissue on the lingual. There was no bone support.

    I began with the laser at 1.50W preset and numbed the tooth as usual and then began to work the tissue around the root away from the root. I found I could only go so far down and then my vision and efficiency seem to peter out. He could feel no pain upon deflecting the tooth at that point but when I began to extract the tooth it hurt. So we got out the needle and proceeded. I wonder if I had defocused over the apex for a time it this would have made a difference? What do you guys think?

    Pat

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