Ortho quiz for NEET preparation 3

The Leeway space is defined as:

• The additional space available in the primary dentition.

• The difference in mesiodistal width between the combined primary canines and molars and their successors.

• he space required for the eruption of the third molars.

• The space created by early loss of primary molars.

Which of the following is a transient stage of occlusal development?

• Ectopic eruption

• Ugly duckling stage

• Crossbite

• NONE OF THE ABOVE

MESIAL STEP IN DECIDUOUS DENTITION CAN LEAD

• CLASS II DIV I

• CLASS III

• CLASS I

• BOTH CLASS III AND CLASS I

The Primate space in primary dentition in maxilla is seen between

• Central and lateral incisors

• Lateral incisor and canine

• Second molar to second molar

• Incisor to incisor

ERUPTION OF MOLARS AND INCISORS IS A FEATURE OF

• SECOND TRANSITION PHASE OF MIXED DENTITION

• FIRST TRANSITION PHASE OF MIXED DENTITION

• THIRD TRANSITION PHASE OF MIXED DENTITION

• PRIMARY DENTITION

INCISOR LIABILITY OF MAXILLA

• 6mm

• 8mm

• 7.6mm

• 5mm

Leeway space of mandible

• 3.4mm

• 1.7mm

• 0.9 mm

• 1.8 mm

7th key of occlusion

• Curve of spee

• BOLTONS DISCREPANCY

• ABSENCE OF ROTATION

• CROWN INCLINATION

TYPE OF INTER ARCH RELATION IN GUM PADS

• DEEP BITE

• CROSS BITE

• OPEN BITE

• NONE OF THE ABOVE

IN BODILY MOVEMENT CENTRE OF ROTATION IS AT

• INCISAL EDGE OF TOOTH

• NEAR TO CENTRE OF ROTATION

• AT ROOT TIP

• AT INFINITY