Resorption of root of primary incisors starts at_____________?

Related Mcqs:

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

A. Maxillary first B. Maxillary second C. Mandibular first D. Mandibular second...

Primary dentition period is______________?

A. From birth to 11 years B. From 6 months to 11 years C. From 6 months to 6 years D. From 6 years to 11 years...

The direction of enamel rods in decidous teeth is_____________?

A. Same as permanent teeth B. Inclined in an apical direction in the cervical third of crown C. Inclined in an occlusal direction in the cervical third of crown D. None of the above...

What is the thickness of the layer of primsless enamel found in primary teeth_____________?

A. 25 μm B. 50μm C. 75μm D. 100μm...

Primary teeth differ from permanent teeth in following aspects ?

A. Thickness of enamel and dentin B. Pulp chambers are longer C. Roots are flaring D. All of the above...