what is an anatomical crown - answer portion that extends from the incisal or occl
surface to the CEJ
Clinical crown - answer Visible portion of tooth from gums to incisal or occl surface
furrow - answer concavity from CEJ to furcation
contact area - answer Area of the mesial or distal surface of a tooth that touches the
adjacent tooth in the same arch
purpose of a contact area - answer1. keep food from packing between teeth
2. stabilize the arch
what happens when there is no proximal contact - answer1. Food can become impacted
and result in build up
2. teeth may shift
what is an embrasure - answer Triangular space between teeth
insical/occl
facial/buccal
lingual
gingival
Enamel - answer1. hard, outermost layer of a tooth
2. made up of ameloblasts
3. enamel formation is completed 3 years before eruption in permanent teeth
Dentin - answer1. second layer off tooth, softer
2. made of odontoblasts
3. surrounds the pulp chamber
3 types of dentin - answer1. Primary - before tooth erupts
2.Secondary- forms as tooth ages
3.Reparative/Tertiary- forms rapidly when trauma is induced, reduces the size of the
pulp
cementum - answer1. covers the root of a tooth.
2. formed by cement oblasts
3. no blood supply gets nutrients from periodontal ligament
The benefits of buying summaries with Stuvia:
Guaranteed quality through customer reviews
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying these notes from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller julianah420. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $13.49. You're not tied to anything after your purchase.