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www.mddus.com OUT THERE


THEBAN THROBBING A good dentist was clearly hard to find in Thebes 2,500 years ago. Royal Brompton Hospital scientists who CT scanned Egyptian mummies found one adult male had potentially life-threatening dental abscesses. In a final insult, the embalmer botched the afterlife preparation, leaving bits of brain and a broken spatula in his skull.


TRIGGER TEST The noise of dental drills and the scraping of metal instruments may trigger anxiety in some patients. Researchers in Japan say phobic patients’ brains react differently to the sounds. It’s hoped the findings will help develop ways of treating dental fear, such as cognitive behaviour therapy. Source: The Guardian


WHEN IN ROME Urine was a popular tooth-whitening treatment in Ancient Rome, with Portuguese pee considered the best for the job. The Egyptians were thought to be the first tooth-whiteners around 4,000 years ago, using a paste of ground pumice stone mixed in wine vinegar.


GO BANANAS Eating 50 bananas exposes you to the same amount of radiation as a dental X-ray. Each fruit contains 0.1 microsieverts while an intra-oral X-ray has five microsieverts. By comparison, a chest CT scan has the equivalent radiation of eating 70,000 bananas.


CROSSWORD


ACROSS 1. Branded gingivitis treatment (8) 5. Closed sac (4) 9. Thin foils for occlusal adjustments (9) 10. Under enamel (7) 11. Indirect filling (5) 13. Away from the centre of the body (6) 15. Portion of dental bridge substituting absent tooth (6)


19. Branded temporary filling material (5) 22. Towards the crown (7) 24. Branded sensitive toothpaste (9) 25. Post and ____, restoration (4) 26. Relating to contact between teeth and jaw (8)


DOWN


1. Obscured (7) 2. Begrudges (7) 3. African antelope (5) 4. Prefix, time before as in not today (6) 6. Country bumpkin (5) 7. Striped or brindled cat (5) 8. Braxton, US soul diva (4) 12. Grandmother (3) 14. Prefix, three (3) 16. Do they hang around with tailors, soldiers and spies? (7)


17. Military rank (7) 18. Imitative of natural sounds (6) 19. Pertaining to local government (5) 20. Part of helmet covering face (5) 21. Sharp taste (4) 23. Majestic (5)


1 2 3 4 8 9 5 6 7 Stumped? The answer is at the bottom of the page NAME THAT BITE


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26 See answers online at www.mddus.com. Go to the Notice Board page under News and Events.


PHOTO: MANFRED KAGE/SCIENCE PHOTO LIBRARY


NAME THAT BITE? SEM of decaying teeth


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