EFDA FINAL EXAM ACTUAL EXAM COMPLETE 200 QUESTIONS
WITH DETAILED VERIFIED ANSWERS (100% CORRECT
ANSWERS) /ALREADY GRADED A+
Arch, quadrant & name are all terms associated with what? - ANSWER: Tooth
Identification
Federation Dentaire international is the primary tooth numbering system used in the
United States. - ANSWER: False
the midline is the point of reference used when distinguishing mesial surfaces from
distal surfaces on the teeth in the mouth. - ANSWER: True
what are the four histological structures of a tooth? - ANSWER: Enamel, Dentin,
Cementum, pulp
what is the portion of the tooth that extends from the incisal or occlusal surface to
the enamels junction with the cementum of the root? - ANSWER: Anatomical crown
what is the visible portion of the anatomical crown extending from the crest of the
soft tissue and includes the occlusal surface or incisal edge? - ANSWER: clinical crown
what is the point or area where approximating teeth in the same arch touch or meet
each other? - ANSWER: contact area
what is the spaces adjacent to and surrounding the contact of the teeth in the same
arch? - ANSWER: embrasures
what are the four embrasure areas that surround the proximal contact area? -
ANSWER: incisal or occlusal, facial or buccal, lingual, gingival
what covers the anatomical crown of the tooth and varies in thickness in different
areas of the tooth? - ANSWER: enamel
what kind of cells produce enamel and form enamel rods? - ANSWER: ameloblasts
what is the hard connective tissue lying inside the enamel and cementum and is
normally yellowish white? - ANSWER: dentin
what is dentin formed by? - ANSWER: odontoblasts
what forms cementum? - ANSWER: cementoblasts
acellular cementum is located at the apex of a root and can regenerate itself if
damaged or removed. - ANSWER: false
, cellular cementum extends from the CEJ towards the root apex and cannot
regenerate itself if damaged or removed. - ANSWER: false
what are the four functions of the pulp? - ANSWER: formative, nutritive, sensory,
defensive
which irritants can lead to responses that are related to the defensive function of the
pulp? - ANSWER: chemical, bacterial, mechanical, thermal
what is found on the Moof a maxillary first molar? - ANSWER: cusp of carabeli
what is the linear elevation on a tooth? - ANSWER: transverse ridge
what is the division of multiple roots? - ANSWER: furcation
what is the rounded mesial and distal borders of enamel found on the occlusal
surface of posterior teeth and on the linguals of anterior teeth? - ANSWER: marginal
ridges
where does the enamel and cementum meet? - ANSWER: cementoenamel junction
(CEJ)
what extends across from the DB to ML of maxillary molars on the occlusal surface? -
ANSWER: oblique ridge
which concavities are found on the occlusal surface of posterior teeth and lingual
surface of anterior teeth? - ANSWER: fossae's
what separates the cusps of teeth? - ANSWER: grooves
what is the very small depression extending across marginal ridges on the posterior
teeth? - ANSWER: spillway
what is the incomplete closure of enamel that appears as faint, thin grooves? -
ANSWER: fissures
what consists of the oral hard and soft tissues that support the teeth? - ANSWER: the
periodontium
which part of the periodontium consists of free and attached gingiva and the alveolar
mucosa? - ANSWER: the gingival unit
which part of the periodontium consists of the cementum, periodontal ligaments
and alveolar process? - ANSWER: the attachment apparatus
WITH DETAILED VERIFIED ANSWERS (100% CORRECT
ANSWERS) /ALREADY GRADED A+
Arch, quadrant & name are all terms associated with what? - ANSWER: Tooth
Identification
Federation Dentaire international is the primary tooth numbering system used in the
United States. - ANSWER: False
the midline is the point of reference used when distinguishing mesial surfaces from
distal surfaces on the teeth in the mouth. - ANSWER: True
what are the four histological structures of a tooth? - ANSWER: Enamel, Dentin,
Cementum, pulp
what is the portion of the tooth that extends from the incisal or occlusal surface to
the enamels junction with the cementum of the root? - ANSWER: Anatomical crown
what is the visible portion of the anatomical crown extending from the crest of the
soft tissue and includes the occlusal surface or incisal edge? - ANSWER: clinical crown
what is the point or area where approximating teeth in the same arch touch or meet
each other? - ANSWER: contact area
what is the spaces adjacent to and surrounding the contact of the teeth in the same
arch? - ANSWER: embrasures
what are the four embrasure areas that surround the proximal contact area? -
ANSWER: incisal or occlusal, facial or buccal, lingual, gingival
what covers the anatomical crown of the tooth and varies in thickness in different
areas of the tooth? - ANSWER: enamel
what kind of cells produce enamel and form enamel rods? - ANSWER: ameloblasts
what is the hard connective tissue lying inside the enamel and cementum and is
normally yellowish white? - ANSWER: dentin
what is dentin formed by? - ANSWER: odontoblasts
what forms cementum? - ANSWER: cementoblasts
acellular cementum is located at the apex of a root and can regenerate itself if
damaged or removed. - ANSWER: false
, cellular cementum extends from the CEJ towards the root apex and cannot
regenerate itself if damaged or removed. - ANSWER: false
what are the four functions of the pulp? - ANSWER: formative, nutritive, sensory,
defensive
which irritants can lead to responses that are related to the defensive function of the
pulp? - ANSWER: chemical, bacterial, mechanical, thermal
what is found on the Moof a maxillary first molar? - ANSWER: cusp of carabeli
what is the linear elevation on a tooth? - ANSWER: transverse ridge
what is the division of multiple roots? - ANSWER: furcation
what is the rounded mesial and distal borders of enamel found on the occlusal
surface of posterior teeth and on the linguals of anterior teeth? - ANSWER: marginal
ridges
where does the enamel and cementum meet? - ANSWER: cementoenamel junction
(CEJ)
what extends across from the DB to ML of maxillary molars on the occlusal surface? -
ANSWER: oblique ridge
which concavities are found on the occlusal surface of posterior teeth and lingual
surface of anterior teeth? - ANSWER: fossae's
what separates the cusps of teeth? - ANSWER: grooves
what is the very small depression extending across marginal ridges on the posterior
teeth? - ANSWER: spillway
what is the incomplete closure of enamel that appears as faint, thin grooves? -
ANSWER: fissures
what consists of the oral hard and soft tissues that support the teeth? - ANSWER: the
periodontium
which part of the periodontium consists of free and attached gingiva and the alveolar
mucosa? - ANSWER: the gingival unit
which part of the periodontium consists of the cementum, periodontal ligaments
and alveolar process? - ANSWER: the attachment apparatus
