In the Federation Dentaire International System for numbering, the first number represents a
_________, while the second number represents a _________.
Ans: quadrant, tooth
Quiz What is the visible portion of the anatomical crown known as?
Ans: the clinical crown
Quiz The area where the roots divide
Ans: furcation
Quiz The point or area where approximating teeth in the same arch touch or meet each other is
referred to as the ________.
Ans: contact area
,Quiz Where are the TWO purposes of contact areas?
Ans: -to keep food from packing between the teeth
-help stabilize the dental arches
Quiz 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
Ans: the furrow
Quiz What is the HARDEST tissue in the body?
Ans: enamel
Quiz What cells form enamel?
Ans: ameloblasts
Quiz The bulk of the tooth is made up of
Ans: dentin
Quiz In permanent teeth, the process of enamel formation is completed about ___ years before
eruption.
,Ans: 3
Quiz What is the composition of enamel?
Ans: 95% inorganic matter, 5% organic matter and water
Quiz What is the SECOND hardest material in the body?
Ans: dentin
Quiz What is the composition of dentin?
Ans: 70% inorganic, 20% organic, 10% water
Quiz The three major types of dentin
Ans: primary, secondary, reparative
Quiz What type of dentin is a DEFENSE reaction to an area of injury?
Ans: reparative dentin
Quiz What has the HIGHEST fluoride content of all the materialized tissue?
, Ans: cementum
Quiz The two types of cementum
Ans: acellular and cellular
Quiz What type of cementum ACTIVELY produces new layers of cementum throughout the life
of the tooth?
Ans: cellular
Quiz What teeth have the cusp of Carabelli?
Ans: maxillary first molars
Quiz The ridge formed by the union of two triangular ridges
Ans: transverse ridge
Quiz The spillway provides an escape for food from the _______ surface during the mastication
(chewing) process.
Ans: occlusal
_________, while the second number represents a _________.
Ans: quadrant, tooth
Quiz What is the visible portion of the anatomical crown known as?
Ans: the clinical crown
Quiz The area where the roots divide
Ans: furcation
Quiz The point or area where approximating teeth in the same arch touch or meet each other is
referred to as the ________.
Ans: contact area
,Quiz Where are the TWO purposes of contact areas?
Ans: -to keep food from packing between the teeth
-help stabilize the dental arches
Quiz 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
Ans: the furrow
Quiz What is the HARDEST tissue in the body?
Ans: enamel
Quiz What cells form enamel?
Ans: ameloblasts
Quiz The bulk of the tooth is made up of
Ans: dentin
Quiz In permanent teeth, the process of enamel formation is completed about ___ years before
eruption.
,Ans: 3
Quiz What is the composition of enamel?
Ans: 95% inorganic matter, 5% organic matter and water
Quiz What is the SECOND hardest material in the body?
Ans: dentin
Quiz What is the composition of dentin?
Ans: 70% inorganic, 20% organic, 10% water
Quiz The three major types of dentin
Ans: primary, secondary, reparative
Quiz What type of dentin is a DEFENSE reaction to an area of injury?
Ans: reparative dentin
Quiz What has the HIGHEST fluoride content of all the materialized tissue?
, Ans: cementum
Quiz The two types of cementum
Ans: acellular and cellular
Quiz What type of cementum ACTIVELY produces new layers of cementum throughout the life
of the tooth?
Ans: cellular
Quiz What teeth have the cusp of Carabelli?
Ans: maxillary first molars
Quiz The ridge formed by the union of two triangular ridges
Ans: transverse ridge
Quiz The spillway provides an escape for food from the _______ surface during the mastication
(chewing) process.
Ans: occlusal
