Facts about teeth


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Facts about teeth

  1. 1. Visit http://aidicine.com/ web site
  2. 2. 32 white horses on a red hill 1st they stomp thenthey talk then they stand still.. what are they? They are your teeth.
  3. 3. What are teeth made of?The crown is the part of the tooththat you can see it above thegum, which is covered byhard, shiny enamel. Enamel is avery hard substance and it’s thehardest substance in the body. Itprotects the most sensitive innerpart of the tooth.
  4. 4. The dentine isunderneath, and it’s asensitive substance thatmakes the most of the tooth.Dentine is a hardsubstance, but its not as hardas the enamel.Dentine protects the innerpart of the tooth, whichcalled the pulp.
  5. 5. The tooths blood supply, and nervesare all end in the pulp. The bloodsupply is what keeps the teeth aliveand healthy. The nerve endings sendmessages to the brain, such aswhether youre eating something hotor cold or if you have a decayed ordamaged tooth.The pulp goes into the root of thetooth under the gum. Cementumcovers the root of the tooth, andperiodontal fibres connect the toothto the jawbone.
  6. 6. What are the milk teeth?We all lost our milk teeth inchildhood. They begin to developbefore they are born, but in mostcases dont come through untiltheyre between 6 and 12 monthsold. In the age of 3 years most kidshave a set of 20 milk teeth. Whenthey reach five or six, the milkteeth will start to fall out, makingway for adult teeth.
  7. 7. What are the adult teeth?By the age of 12 to 14, most childrenhave lost all their baby teeth and havetheir adult teeth. And they are 12more than in the baby or milk teethset, which means it consist of 32 teethin total. Because the last four adultteeth usually emerge later than theothers, in later age they are called thewisdom teeth, and some time theycause a severe pain.
  8. 8. What are the types of teeth?There are four different types of teeth:Incisors. The four front teeth on the topand bottom jaw. They’re used for cuttingand chopping food.Canine teeth. These are sharp, pointyteeth. You have one on each side of yourincisors on your top and bottom jaw,making a total of four. They help to tearfood. They are large in meat eateranimals.
  9. 9. Premolars. Next to your canine teeth areyour premolars (also called bicuspidteeth). You have eight premolars in total,four on your top jaw and four on thebottom. They are bigger and wider thanyour incisors and canine teeth, and areused for crushing and grinding food.Molars. You have eight molars, four ontop and four on the bottom. These areyour strongest teeth and work with yourtongue to help you swallow food, mashingit up until its ready to be swallowedsafely.
  10. 10. Visit http://aidicine.com/ web site