www.mddus.com Back For More OUT THERE
WAX WORK An ancient cracked canine tooth repaired with a fi lling of beeswax may be the earliest known example of therapeutic dentistry. Analysis on a 6,500-year-old human lower jaw discovered in an Italian cave found wear and tear from eating and using teeth for tasks such as softening leather. Source: Dentistry
WEIRD WISHES A survey by the Chicago Dental Society unearthed a list of odd patient requests. One wanted to save their extracted teeth to make a necklace, another asked their dentist to identify dentures found in a pub toilet and another wanted their dog fi tted with braces.
DRILL ME A TUNE A dentist in Indonesia has modifi ed his drill to play music via an MP3 player in a bid to soothe scared patients. Dhanni Gustiana blocks out the distinctive buzzing sound with patients’ favourite tunes and also attaches a toy to help nervous children. Source: Metro
SHARK TALE Shark teeth are so sharp and eff ective because their surface contains 100 per cent fl uoride, German researchers have discovered. They also never get caries and replace their teeth several times throughout their lives. Source: Daily Mail
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WHAT ARE WE LOOKING AT? Stumped? The answer is at the bottom of the page
CROSSWORD ACROSS
1 Closed sac (4) 5 Gap between teeth (9) 8 Clean teeth (abbr.) (1,3,1) 9 Local anaesthesia (abbr.) (1,1,5) 10 Root canal paste (brand name) (6) 12 Group of seven (6) 14 Relating to the cheek (6) 19 Relating to the lips (6) 20 Relating to the tongue (7) 21
Temporary fi lling material (brand name) (5)
22 Movement of tooth (8) 23 Post and ____, restoration (4)
12 DOWN
1 Miming game (8) 2 Most morose (8) 3 Fingers (6) 4 Law-breaker (5) 6 Japanese car maker (6) 7 Questions (4) 11 Manicure tool (8) 13 Yearly (6) 15 The Windy City (7) 16 Distributes (6) 17 Large mollusc (4) 18 Door handles (5)
16 17 20 21 22 23 18 19 13 14 15 1 2 5 8 9 10 11 3 6 4 7
See answers online at
www.mddus.com. Go to the Notice Board page under News and Events.
WHAT ARE WE LOOKING AT? SEM of ape teeth
PHOTO: SCIENCE PHOTO LIBRARY
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