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News Bulletin : ADA News Bulletin December 2010
42 DECEMBER 2010 Compiled by Associate Professor Barrie Gillings Ci l d b clinical hints HAPPY FESTIVE SEASON The team responsible for the production of Clinical Hints wish all of our readers a pleasant Christmas break and a care-free 2011. COMMUNICATIONS Graeme Roberts (Surrey Hills 3127) responded to the 'retained interproximal brush' TEASER of several issues ago. He should have been awarded* a paperweight for his alliterative answer..."used in the interception of intercurrent periodontal pathosis via intermittent interference and interspersion of the interradicular plaque colonisations. The interruption of this interdental intervention may well lead, inter alia, to interment of the tooth". John Brownbill (Malvern East 3145), a long-time academic colleague of your Recorder, supported the latter's advice to budding slide-show presenters about carrying spares. If John was travelling to the venue in his car, he also carried a spare screen and a long wooden pointer, in addition to his own projector, cord, double adapter, spare bulb and slide cassettes. He added some handy hints: the voice needs lubrication, so drink water -- no alcohol, no milk (promotes throat mucus); head up, voice loud, lowered pitch (not shrill); take water sips, especially if you lose your place or need to re-focus; in small groups, if someone starts talking, look at them and speak loudly until they stop; alternatively, ask them to share their thoughts. Welcome questions, either during the presentation or at the end, because they show your message has got through. Repeat each question, because the audience behind may not have heard it; the question may be badly phrased, and you can re-phrase the question to make it, and your answer, clearer and the foregoing allows you more time to formulate an answer. Finally, there are no silly questions, but there are silly answers; be well-prepared, practise, and finish on time, or earlier. He ended with an account of a lecture in SE Asia, with the usual projector and bulb problem, which was solved, followed by terminal projector failure. Then the lights went out. A candle was produced, and he battled through to the end. That shows true grit! Marianne Brownlee (Ballan 3342, and the only dentist so listed in the ADA Directory), recalls with favour her time as a University of Sydney dentistry student, and remembers, especially, the manual provided by your Chronicler at the time (before he prepared his own) to explain the techniques of denture construction. It was the US Navy Dental Technicians Manual, called the Dental Technician, Prosthetic, (Navpers 10685- C [revised 1965] soft cover, 350 pages), and available, in the 1970s, from the Superintendent of Documents , US Government Printing Office, Washington DC 20402, for USD$4. Your Notary also explored the US Air Force for supplies of a similar document (as an Army Reservist, he knew all about inter-service rivalry). This was the Dental Laboratory Technicians Manual (No 160-29, hard cover, 577 pages). This equally useful manual was then available through the Surgeon General, HQ USAF, Washington 25, DC. Marianne wants to encourage young folk to train as dental technicians, and thinks that the manual she remembers might stimulate them. Your Abstracter suggests that contact with the state TAFE unit responsible for training dental technicians might provide more up-to-date information, but he remembers that the above publications were, 40 years ago, excellent value, and may be even better now. James (Jim) Grainger (Kingscliff 2487) sent in an excellent article on Scrimshaw, which should interest all dentists, as it concerns pictures drawn on whale teeth. They often appear on the ABC TVs Antiques Roadshow. The US President, John F Kennedy, was a scrimshaw collector, and gave its collection popularity and prestige. We have a world authority on the subject, Gary Tonkin, who lives in Albany, WA, the location of the last Australian whaling station. Your Compiler is hoping to make contact with Gary, who has lots of whale teeth, for more information. RED-EYE SPECIAL This is a jokey name sometimes applied to the airline trip from Perth to Sydney, which takes off at midnight. But red eyes can occur under other circumstances, one of which is if you are looking at the camera when a flash picture is made. If your irises are wide open, the flash can light up the retina, and your irises appear red instead of black. Many cameras precede the actual flash with a preliminary flash to shrink the irises and eliminate this 'red-eye' effect. This is not necessarily a good thing. The Week magazine reported recently that a trained nurse was looking at flash pictures of her friend's daughter, and noticed that one of the child's eyes had the familiar red pupil, but the other was white. The nurse knew that this was a sign of retinoblastoma, and the child was forthwith treated for a potentially fatal cancer. SOGGY MOGGIE This was the catchy heading of a news item where a kitten was 'accidentally' flushed down a Sydney toilet. The poor pussy negotiated the 'S' bend but jammed further down. The NSW Fire Brigade was called and had to jackhammer through concrete to reach the unfortunate animal. Two questions come to mind. How did they know where the feline was, and is there now in the house a child with a very sore bottom? *And is.
ADA News Bulletin November 2010
ADA News Bulletin February 2011