A 30-year-old can have a retained deciduous premolar.
In the following illustration, structure “a” refers to a fos…
In the following illustration, structure “a” refers to a fossa, which is a convexity or bulge on a tooth. Structure “b” refers to a ridge, which is a concavity or depression within a tooth.
The part of the tooth that shows when someone opens their mo…
The part of the tooth that shows when someone opens their mouth is the anatomic crown.
All of the following formations are depressions EXCEPT one….
All of the following formations are depressions EXCEPT one. Which one is the EXCEPTION?
The tooth surface facing the lip is called the mesial surfac…
The tooth surface facing the lip is called the mesial surface. The corresponding surface facing the cheek is called the distal surface.
In the Palmer System, permanent central incisors are assigne…
In the Palmer System, permanent central incisors are assigned the number
How many surfaces does a posterior tooth have?
How many surfaces does a posterior tooth have?
The CEJ is where enamel meets the __________.
The CEJ is where enamel meets the __________.
In a partially erupted tooth, the visible portion is called…
In a partially erupted tooth, the visible portion is called the clinical crown. The anatomic crown is not yet fully formed.
Edentulous people may have problems speaking properly.
Edentulous people may have problems speaking properly.