Quiz 2 Flashcards
The completion of the root for the permanent maxillary central incisor occurs at age _____ years
10
Which of the following teeth have the greatest depth of curvature of the cementoenamel junction on the mesial surface?
8
The incisal ridge of the permanent mandibular central incisors is usually at ____° to the labiolingual axis of the crown.
90
Which of the following lingual surface features is usually prominent on both tooth #7 and tooth #10
Prominent linguoincisal ridge
Which of the following range of eruption dates of the listed teeth is correct?
8: 7 to 8 years
A cingulum in varying developmental levels within the permanent dentition can be found on the lingual surfaces of
all anterior teeth
Which of the following features are located on the lingual surfaces of all permanent anterior teeth?
Marginal ridges and cingulum
Which of the following teeth are more commonly involved in partial anodontia?
Maxillary lateral incisors
Which of the following teeth may have a linguogingival groove?
7 and #8
The longest tooth in the mandibular arch of the permanent dentition is the mandibular
canine
The incisal ridge of the permanent mandibular central incisors is usually at ____° to the labiolingual axis of the crown.
90
Which of the following helps to distinguish the permanent right mandibular lateral incisor from the left?
Mesioincisal angle of incisal ridge is sharper than distoincisal angle
The function of permanent incisors is
biting and cutting
Permanent anterior teeth have ____ developmental lobes and are ____ when viewed from either proximal surface.
4; triangular
Which permanent teeth are usually the smallest and have the simplest form?
Mandibular central incisors
