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This certainly is a tragedy and my heart goes out to the parents. That being said, there a few things that most of you reading this thread probably don't know. Wednesday and Thursday were the Florida Lobster Mini Season. I don't think I can remember a mini season in years that hasn't...

Hi Seabear, This is the shallow water blackout scenerio again. I'm gonna make up some number now...just to help think. Suppose a person will black out whenever the partial pressure of oxygen is, say, 50. Now suppose you are doing a breath hold dive to 33 fsw and have managed to...

Go Gators! :11: Oops, Hi Jim, Good explanation. The last time I took any real physiology was 30 years ago...at least I can still remember some of it...just not all of it. OK, a little curiosity question here. When referring to ppO2 or ppCO2, are the partial pressures referring ONLY...

We talk of CO2 being the driving force stimulating the urge to breathe. If memory serves me correctly, CO2 is carred in the blood as bicarbonate (H2CO3). It is released into the lungs by dissociating into H2O +CO2. It is not the gas, CO2 in your blood stream. Instead, it is dissolved...

Hi Dentistdiver Contrary to popular belief, it is not voids within fillings that are implicated in barodontalgia. In experiments in which there were air pockets purposely left in restored teeth, the barodontalgia rate was no different. In my experience, barodontalgias are associated with...

No, an implant doesn't have to placed at the time of extraction. Most implants are NOT placed at the same time. Before considering the implant, you first must meet with the surgeon and the restorative dentist to make sure you are a candidate for the procedure. You should also be given the...

Very likely a mask squeeze. As you descend, you have to allow a little air into your mask (through your nose). If not it will be pressed tightly against your face as a relative vacuum is generated between the outside water pressure and the partially equalized pressure within the space enclosed...

Hi Itsmenicol, I see you have a good idea of what barodontalgia is and the mechanics behind the condition. The actual probability that your tooth will be a problem on any particular dive cannot be accurately determined. Barodontalgia is a rather rare condition...although I will say that...

Hi scubasean, Another good reason to avoid diving is that exposing a fresh surgical site or wound to sunlight can cause a discolored area in the scar. My understanding is that it takes several months of healing before exposing to the sun. Don't count on sunblock to protect it. If it can be...

Hi all. Just a word of advice about super glue applied to wounds. Traditional cyanoacrylate glue is a little too stiff and more toxic to the local tissues to actually be recommended as a means of tissue closure. Most surgical superglues are octyl, iso-butyl or butyl cyanoacrylates. These...

Hey guys, Kind of interesting thread. To tell you the truth, I have never seen TMJ and ear clearing in the same sentence. That being said, I will say that the eustachian tube can run rather close to the temperomandibular joints. I don't see any reason that inflammation from a...

Wildmtn, Glad to hear you're feeling better. I've been practicing for 29 years now and have NEVER seen a patient who had an ulcer on the back of their tongue due to spitting out mucus. I suspect that the mucus is not the cause but a coincidence. You may well have some sort of infection...

First, DON"T KISS ME :11: Next, if this indeed is some sort of "blister" or ulcer, there is probably no reason you can't dive. That being said, the back of the tongue is an unusual place to get a "blister". Have you dentist or ENT check it out. You shouldn't dive if the problem...

First, let me tell you all the real way the Jewfish got its name. FROM HIS JEWISH MOTHER!!! :11: His father had absolutely nothing to say in the matter! The fish was born and a week or so later out came the razor blade...swish!...and...well the rest is history. Then the fish went to school...

These teeth look a bit like they came from a Hogfish or Hogsnapper. It is actually a wrasse found in the southeastern waters of the US and Caribbean. Hogfish teeth don't have the bands or rings like those in the photo. Male Hogfish have larger teeth than the female and they protrude at an...

Ok, I did the google search! Try this: http://www.hydro.gov.au/surveying/lads/lads-how.htm I think I understand it :11: now?! Larry Stein

With or without nuts? :06:

Hi again, As I think I understand what you said...you have a temporary filling in a tooth that is going to receive an onlay...correct? Is that temporary filling being used as the temporary between visits for the onlay or is it a temporary filling placed in your tooth and it still has to be...

Hey H2Andy... Didga ever notice that drinking a regular (non diet) coke just before using spit as a defog makes it gooier and it seems to coat better :11: ? I like to think of it as gourmet spit. SPIT HAPPENS!!! Larry

Hi Larry, Rain-X actually makes two products. One for the outside and a glass defogger for the interior of the car. The INCREASED surface tension is great when the beads of water are subjected to the wind but I really don't think this is a good idea inside your mask. On the otherhand...