A. Maxillary central incisor
B. Maxillary second premolar
C. Mandibular lateral incisor
D. Mandibular central incisor
✅ The correct answer is option A. Maxillary central incisor.
Oral Anatomy
A six- year molar begins to calcify at______________?
A. Six months IU
B. At birth
C. 1 years after birth
D. 3 years age
✅ The correct answer is option B. At birth.
Largest embrasure lies between______________?
A. Maxillary central incisors
B. Maxillary central and lateral incisor
C. Maxillary canine and first premolar
D. Maxillary lateral incisor and canine
✅ The correct answer is option C. Maxillary canine and first premolar.
The time taken for primary tooth root completion after eruption_____________?
A. 3 years
B. 1 years
C. 2 years
D. 1 month
✅ The correct answer is option B. 1 years.
Growth of all permanent teeth except last molars is completed by___________?
A. 6 years
B. 8 years
C. 12 years
D. 17 years
✅ The correct answer is option D. 17 years.
Maximum contact between occlusal surfaces, of maxillary and mandibular teeth occur during________________?
A. Centric occlusion
B. Rest position
C. Protrusive contacts
D. Laterotrusive contacts
✅ The correct answer is option A. Centric occlusion.
Greater crown bulk distal to the faciolingual bisecting plane of a tooth is most typical of the mandibular_______________?
A. Central incisor
B. Lateral incisor
C. Canine
D. Second premolar (AIPG – 97, Man-95)
✅ The correct answer is option C. Canine.
In centric occlusion, the cusp tip of the maxillary canine is in alignment with which mandibular tooth_____________?
A. Facial embrasure of canine and premolar
B. incisal embrasure of canine and premolar
C. Distal ridge of the cusp of mandibular canine
D. Mesial ridge on the facial cusp of mandibular first premolar
✅ The correct answer is option A. Facial embrasure of canine and premolar.
In the majority of situations, that first decidous tooth to erupt is the____________?
A. Mandibular central incisor
B. Mandibular first molar
C. Maxillary central incisor
D. Maxillary second molar
✅ The correct answer is option A. Mandibular central incisor.
Corner stones of dental arches are:
A. Canines
B. First premolars
C. First molars
D. Second molars
✅ The correct answer is option C. First molars.