Tooth Anatomy Flashcards
anatomy of the teeth
What are the hard tissues of the teeth
Dentin, enamel, cementum
What is/are the soft tissues of the teeth?
pulp
What are the two types of crowns
and what rmarw they?
What are the two types of roots?
Clinical root- Portion of the tooth which is not visible in the mouth
Describe the edges/ tips of the various teeth
Incisors (LIs and CIs) have an incisal edge
What are the purposes of the edges and cusps of the teeth?
incisal edges and cusps form the cutting surface of the tooth
Describe how the root portion of some teeth may vary
•the root portion of some teeth may have one apex(e.g anterior teeth and some premolars).
What is the alveolar process?
it is the way in which the root portion is firmly fixed in bone.
What is the alveolus?
The alveolus is the bone of the tooth socket
What does the gingiva cover?
The gingiva covers the cervical third of the tooth/ tooth crown
What is the enamel?
The enamel is the hard mineralised(96 % Calcium hydroxyapatite
What is the name of the enamel organ from which enamel develops from?
Ectoderm
What specialised cells produce the enamel?
specialised epithelial tissues called ameloblasts
What is dentin?
Dentin makes up the bulk of the inner portion of tooth crown and root; mature dentin is made up of 70% calcium hydroxyapatite
Where is dentin developed from?
From the embryonic dental papilla