Welcome to Amyrdh.com!

Cementum

Contributed by:

1.      Cementum is made up of:

 65% calcium hydroxyapatite,

23% organic, & 12 % water.

2.      Cementum is vascular Avascular.

3.      Cementoblasts: create cementum

4.      Cementogenesis: cementum matrix being laid down.

5.      Two functions of cementum: seal dentinal tubules, & attachment for perio fibers.

6.      Describe the following pattern types of cementum:

Overlap: 60% cementum overlaps enamel. Most common.

Meet: 30% end to end

Gap: 10% gap between cementum and enamel.

7.      Forms at a slow rate. One layer will cover all of root & many layers will cover cervical 1/3 near the Cej. Width never changes: Acellular.

8.      Depostied at faster rate. Apical 1/3 of root. Very common in interaddicular area: cellular cementum.

Disclaimer: These notes were copied and pasted from files sent to me by Andrea.  They have not been reviewed for errors. You are responsible for checking out the information to verify the accuracy. This site, Amy Nieves and Andrea are not responsible for typographical errors.