Orofacial Anatomy Chapter 2- The Tooth Page 1 2026-03-10
Orofacial Anatomy: Chapter 2- The Tooth
what is the function of the tooth?
-help in digestion
-help break down our food (cut and tear)
-form a physical barrier(all our teeth together)
-help in speech
-appearance can be a sexual attraction
each tooth has a crown and root portion (true or false)
true
what is the crown covered by?
enamel
Page 1 of 39 Page 1 Orofacial Anatomy Chapter 2- The Tooth.docx
,Orofacial Anatomy Chapter 2- The Tooth Page 2 2026-03-10
Orofacial Anatomy: Chapter 2- The Tooth
what is the root covered by?
cementum
cervical line/CEJ (cementoenamel junction)
where the crown and the root meet/join
the crown portion of the tooth erupts through the bone and tissue, it
continues until the whole crown is exposed (true or false)
true
what 2 divisions can the crown be classified into?
Page 2 of 39 Page 2 Orofacial Anatomy Chapter 2- The Tooth.docx
,Orofacial Anatomy Chapter 2- The Tooth Page 3 2026-03-10
Orofacial Anatomy: Chapter 2- The Tooth
1. anatomical crown
2. clinical crown
anatomical crown
the whole portion of the crown that is covered by enamel (regardless if
its erupted or not)
clinical crown
the portion of the crown that you can only see above the gingiva
if the tooth has not erupted, there is no clinical crown (true or false)
true
Page 3 of 39 Page 3 Orofacial Anatomy Chapter 2- The Tooth.docx
, Orofacial Anatomy Chapter 2- The Tooth Page 4 2026-03-10
Orofacial Anatomy: Chapter 2- The Tooth
eruption
the movement of the tooth through the gingiva until the clinical crown in
exposed
a tooth can only have 1 root ever (true or false)
false, a tooth can have 1 or 2 or 3 roots
bifurcation
division of a root into 2 segments
Page 4 of 39 Page 4 Orofacial Anatomy Chapter 2- The Tooth.docx
Orofacial Anatomy: Chapter 2- The Tooth
what is the function of the tooth?
-help in digestion
-help break down our food (cut and tear)
-form a physical barrier(all our teeth together)
-help in speech
-appearance can be a sexual attraction
each tooth has a crown and root portion (true or false)
true
what is the crown covered by?
enamel
Page 1 of 39 Page 1 Orofacial Anatomy Chapter 2- The Tooth.docx
,Orofacial Anatomy Chapter 2- The Tooth Page 2 2026-03-10
Orofacial Anatomy: Chapter 2- The Tooth
what is the root covered by?
cementum
cervical line/CEJ (cementoenamel junction)
where the crown and the root meet/join
the crown portion of the tooth erupts through the bone and tissue, it
continues until the whole crown is exposed (true or false)
true
what 2 divisions can the crown be classified into?
Page 2 of 39 Page 2 Orofacial Anatomy Chapter 2- The Tooth.docx
,Orofacial Anatomy Chapter 2- The Tooth Page 3 2026-03-10
Orofacial Anatomy: Chapter 2- The Tooth
1. anatomical crown
2. clinical crown
anatomical crown
the whole portion of the crown that is covered by enamel (regardless if
its erupted or not)
clinical crown
the portion of the crown that you can only see above the gingiva
if the tooth has not erupted, there is no clinical crown (true or false)
true
Page 3 of 39 Page 3 Orofacial Anatomy Chapter 2- The Tooth.docx
, Orofacial Anatomy Chapter 2- The Tooth Page 4 2026-03-10
Orofacial Anatomy: Chapter 2- The Tooth
eruption
the movement of the tooth through the gingiva until the clinical crown in
exposed
a tooth can only have 1 root ever (true or false)
false, a tooth can have 1 or 2 or 3 roots
bifurcation
division of a root into 2 segments
Page 4 of 39 Page 4 Orofacial Anatomy Chapter 2- The Tooth.docx
