Dentistry is the branch of the healing arts and sciences devoted to maintaining oral health. It is a health profession, offering opportunities to become a successful, highly respected member of the community. it takes patience and concentration,here you will learn some of the basics of dentistery,you will also learn some of the tools they use.
did you know that adult teeth do not die/fall out from natural causes.Most people assume losing teeth is a natural consequence of the aging process but it is not.Did you know every persons teeth are different.Did you know 35% of people are born without wisdom teeth.Did you know toothpaste as we know it today was first produced in 1873 and sold in a jar. Before that, people used charcoal or ground chalk mixtures.
Animals teeth Some animals, particularly carnivores, also use teeth for hunting or for defensive purposes. The roots of teeth are covered by gums. Teeth are not made of bone, but rather of multiple tissues of varying density and hardness. The cellular tissues that ultimately become teeth originate from the embryonic germ layer, the ectoderm. http://en.wikipedia.org/wiki/Tooth |
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Your tooth is like a tree you can only see part of it,like on the tooth you cant see the root area.The roots of your teeth reach down into your gums so you tooth does not come of.One of the manny layers of your tooth is the outer layer it is made out of hard crystal.The next layer is soft and the middle layer has nerves so you feel hot and cold,it also has blood vessels.Here are some of the different CROWN The crown part of your tooth is the part you can see above your gum line.It is covered in enamel,enamelis a protective layer an the tooth. NECK The neck of the tooth is where the crown meets the root. ROOT The root is the part that extends into the upper or lower jawbone. different tipes of root have different formations Molars have one or two different tipes of root. At the end of each root is a small opening called the apical.Blood vessel and nerves go threw this to get to the nerves. APICAL FORAMEN The apical foramen is the tiny opening at the tip of each root that allows nerves and blood vessels to enter the tooth. This is not all of the layers if you want to see more go to www.simplestepsdental.com/SS/ihtSS/r.==/st.31843/t.31883/pr.3.html |