Back of the book pt. 1 Flashcards
(22 cards)
How many teeth are present in one quadrant of a complete adult dentition?
8
What class of teeth is present in the permanent dentition that is NOT present in the primary dentition?
Premolars
In a permanent dentition, the fifth tooth from the midline is
premolar
Posterior teeth in the permanent dentition include which of the following?
premolars and molars only
Which permanent tooth erupts in the space previously held by the primary second molar?
Second premolar
If you read an article in a British dental journal that refers to tooth No. 48, you would suspect that the authors were using the International Numbering System. What universal number (or letter) would they be talking about?
32
sing the Universal Numbering System, what numbers are used to identify maxillary canines?
6, 11
Which tooth junctions are NOT normally visible on a handheld intact tooth?
Dentinoenamel junction
Dentinocemental junction
Dentinopulpal junction
(only visible junction is CEJ)
Which statement(s) is (are) likely to be true on a person with a barely erupted tooth No. 9?
a. The clinical crown is larger than the anatomic crown
b. The clinical crown is smaller than the anatomic crown
c. The clinical root is larger than the anatomic root
d. The clinical root is smaller than the anatomic root
b. The clinical crown is smaller than the anatomic crown
c. The clinical root is larger than the anatomic root
Which tooth surface(s) face(s) the lips or cheeks?
Facial, buccal, labial
Which pairs of teeth have a mesial surface touching a mesial surface?
a. 25 and 26
b. 16 and 17
c. 7 and 8
d. 1 and 32
e. 8 and 9
e. 8 and 9
When viewing tooth No. 8 from the distal view, it can be divided into thirds from the incisal to the cervical and from the facial to the lingual. Which third is NOT possible to see from the distal view?
Mesial third
If you were observing the faciolingual dimension of a tooth, what surface(s) could you be viewing?
a. Mesial
b. Occlusal
c. Proximal
d. Labial
e. Distal
Mesial, occlusal, proximal, distal
If the root-to-crown ratio of a maxillary molar (No. 14) is 1.72 and that of another molar, No. 16, is 1.49, which tooth has the longest root relative to its shorter crown?
No. 14
Which of the following bumps or ridges is NOT likely to be found on a maxillary premolar?
a. Oblique ridge
b. Cingulum
c. Mesial marginal ridge
d. Transverse ridge
e. Triangular ridge
Oblique ridge, cingulum
Which ridges surround the perimeter of the occlusal surface (occlusal table) of a two-cusped premolar?
a. Mesial marginal ridge
b. Distal marginal ridge
c. Mesial cusp ridge of the buccal cusp
d. Distal cusp ridge of the lingual cusp
e. Transverse ridge
a, b, c, d
What is the correct order of anatomic landmarks of a tooth with two roots from the cementoenamel junction to the root tip?
a. Cervix, trunk, furcation, apex
b. Trunk, cervix, furcation, apex
c. Trunk, furcation, cervix, apex
d. Cervix, trunk, apex, furcation
e. Furcation, trunk, cervix, apex
a. Cervix, trunk, furcation, apex
When viewed from the proximal views, what is the location of the greatest bulge (crest of curvature or height of contour) on the facial surface of all teeth?
a. Occlusal third
b. Lingual third
c. Buccal third
d. Middle third
e. Cervical third
e. Cervical third
Which space(s) contain(s) the part of the gingiva known as the interdental papilla?
a. The buccal embrasure
b. Occlusal embrasure
c. Lingual embrasure
d. Cervical embrasure
e. Interproximal space
d. Cervical embrasure
e. Interproximal space
deal class I occlusion involves an important first permanent molar relationship where the mesiobuccal cusp of the maxillary first molar is located within the
Mesiobuccal groove of the mandibular first molar
Where do lingual cusps of maxillary teeth occlude in ideal class I occlusion?
a. In the buccal embrasure space between mandibular teeth
b. In the lingual embrasure space between mandibular teeth
c. In occlusal fossae of mandibular teeth
c. In occlusal fossae of mandibular teeth
How many developmental lobes form a premolar with two cusps (one buccal cusp and one lingual cusp)?
a. 1
b. 2
c. 3
d. 4
e. 5
4
