A. Within the incisor thirds
B. At the junction of middle and cervical thirds
C. At the linguo cervical ridges
D. Immediately incisal to cingulam
Related Mcqs:
- The Sensitive period for tetracycline induced discolouration in the permanent maxillary mandibular incisors and canines is________________?
A. 3 months postpartum to 7th year of life
B. 4 months in utero to 3 months postpartum
C. 5 months in utero to 9 months postpartum
D. Birth to 7th year - Which of the following features of a permanent maxillary lateral incisor aids in distinguishing it from a mandibular lateral incisor ?
A. Flattened root
B. More pronounced lingual fossa
C. Thinner incisal ridge
D. Sharper proximal incisal angles - The maxillary lateral incisor is smaller than the maxillary central incisor on all aspects EXCEPT which one of the following______________?
A. Crown length
B. Mesiodistal crown width
C. Faciolingual crown width
D. Root length - Maxillary facial and mandibular lingual cusps require sufficient occclusal length and horizontal overlap for_____________?
A. Esthetics
B. Centric stability
C. Chewing efficiency
D. Soft tissue protection - Rounded protuberances on the incisal edges of newly erupted permanent incisors are____________?
A. Mamelons
B. Tubercles
C. Enamel pits
D. Cingulum - The small ridges, perikymata, seen on facial surfaces of canines are the result of_____________?
A. Hyperplasia
B. Hypoplacification
C. Normal development
D. Interstitial development - Before eruption the position of permanent mandibular incisor buds relative to primary incisors is_____________?
A. Superior and facial
B. Inferior and facial
C. Superior and lingual
D. Inferior and lingual - Posterior embrasures are generally larger on the lingual than on the facial, with the contact area within the facial moiety, except between maxillary_______________?
A. Premolars
B. 1st and 2ndmolar
C. 1st premolar and cane
D. First molar and 2nd premolar - In comparison to maxillary central incisor , Maxillary canine has a height of contour that is______________?
A. More
B. Less
C. Same
D. Different on different teeth - Maximum contact between occlusal surfaces, of maxillary and mandibular teeth occur during________________?
A. Centric occlusion
B. Rest position
C. Protrusive contacts
D. Laterotrusive contacts