In the Federation Dentaire International System for numbering, the first number represents a _________, while the second number represents a _________. -
... [Show More] correct answer quadrant, tooth
What is the visible portion of the anatomical crown known as? - correct answer the clinical crown
The area where the roots divide - correct answer furcation
The point or area where approximating teeth in the same arch touch or meet each other is referred to as the ________. - correct answer contact area
Where are the TWO purposes of contact areas? - correct answer -to keep food from packing between the teeth
-help stabilize the dental arches
Coronal to the actual division into two or more roots is a concavity that extends to or nearly to the CEJ. This concavity is called - correct answer the furrow
What is the HARDEST tissue in the body? - correct answer enamel
What cells form enamel? - correct answer ameloblasts
The bulk of the tooth is made up of - correct answer dentin
In permanent teeth, the process of enamel formation is completed about ___ years before eruption. - correct answer 3
What is the composition of enamel? - correct answer 95% inorganic matter, 5% organic matter and water
What is the SECOND hardest material in the body? - correct answer dentin
What is the composition of dentin? - correct answer 70% inorganic, 20% organic, 10% water
The three major types of dentin - correct answer primary, secondary, reparative
What type of dentin is a DEFENSE reaction to an area of injury? - correct answer reparative dentin
What has the HIGHEST fluoride content of all the materialized tissue? - correct answer cementum
The two types of cementum - correct answer acellular and cellular
What type of cementum ACTIVELY produces new layers of cementum throughout the life of the tooth? - correct answer cellular
What teeth have the cusp of Carabelli? - correct answer maxillary first molars
The ridge formed by the union of two triangular ridges - correct answer transverse ridge
The spillway provides an escape for food from the _______ surface during the mastication (chewing) process. - correct answer occlusal
The uncut tooth structure adjacent to the cavity prep - correct answer cavosurface
line angle - correct answer two walls
point angle - correct answer three walls
A thin soft tissue that is loosely attached to the underlying bone - correct answer alveolar mucosa [Show Less]