Space Analysis

Question 1

The purpose of _______ is to calculate the
differences between the amount of the dental arch space available
and that required for accommodating the permanent teeth for
planning either preventive or interceptive approach.

Answer 1

mixed dentition analysis (MDA)

Question 2

The space occupied by the primary canines and molars
is greater than that required for the corresponding
permanent teeth, the canine and the two premolars.
•This size difference of the primary and permanent
teeth is known as the ________

Answer 2

Leeway space

Question 3

How much leeway space is in mand?

Answer 3

5mm overall

Question 4

How much leeway space is in upper arch?

Answer 4

3 mm

Question 5

How do you do tanaka johnston approach for MDA?

Answer 5

Add 4 lower insicors and divide by 2
+11= Maxillary 3-5
+10.5= Mand 3-5

Question 6

How do you do the boston approach for MDA?

Answer 6

Lower 3,4,5= 2D + C

Question 7

How do you perform space analysis in permanent dentition?

Answer 7

Measure MD width mesial to 1st perm molar to 1st perm molar of other side