Question: The primary lateral incisors begin to calcify about the_____________?

• 1. 4th month of life
• 2. 4th month in utero
• 3. 41/2 month in utero
• 4. 5th month in utero

Question: The primary teeth that present the most outstanding morpholgic deviations from permanent teeth are______________?

• 1. Central incisors
• 2. Mandibular first molar
• 3. Mandibular second molar
• 4. Canines

Question: Which of the following has the maximum faciolingual diameter of the crown__________?

• 1. Decidous maxillary 2nd molar
• 2. Decidous maxillary 1st molar
• 3. Decidous mandibular 2nd molar
• 4. Decidous mandibular 1st molar

Question: Primary dentition period is______________?

• 1. From birth to 11 years
• 2. From 6 months to 11 years
• 3. From 6 months to 6 years
• 4. From 6 years to 11 years

Question: Which of the following decidous molars bears the greatest resemblance to a premolar _____________?

• 1. Maxillary first
• 2. Maxillary second
• 3. Mandibular first
• 4. Mandibular second

Question: The lingual cusp of lower first premolar is compared to the development of____________?

• 1. Cusp of carabelli
• 2. Distolingual cusp of molars
• 3. Lingual cusp of second premolar
• 4. Cingulam of canine

Question: The maxillary molar crown of an early fossil primate featured a trigone made of three main cusps, these cusps were_____________?

• 1. Distrobuccal, distolingual and Mesiolingual
• 2. Distolingual, Mesiobuccal, and Linguo buccal
• 3. Mesiobuccal, Distobuccal and Mesiolingual
• 4. Mesiolingual, Mesiobuccal and distolingual

Question: Which line angle area is most acute when a permanent maxillary second molar is viewed occlusally ?

• 1. Mesiofacial
• 2. Distofacial
• 3. Mesiolingual
• 4. Distolingual

Question: What is the functional form of anterior teeth from the mesial or the distal aspect ?

• 1. Rhomboidal
• 2. Trapezoidal
• 3. Elliptical
• 4. Wedge- shaped

Question: Permanent Mandibular central incisor develops from_____________?

• 1. 1 lobe
• 2. 3 lobes
• 3. 4 lobes
• 4. 5 lobes