Surveying

Question 1

What is the surveyor and what is it used to identify

Answer 1

paralleling instrument used to identify, analyse, and mark the max contours of teeth/tissue of study casts for the creation of RPD

Question 2

What is the area below the max contour called?

Answer 2

undercuts

Question 3

What is the primary objection of surveying?

Answer 3

establish a suitable path of insertion

Question 4

What is the best path of displacement?

Answer 4

common is at 90 degrees to the occlusal plane which is taken horizontal

Question 5

What is tripoding and why is it carried out?

Answer 5

3 vertical lines on each surface

allow casts to be returned to correct horizontal positon from dentist to technician

Question 6

What is used for eyeballing?

Answer 6

the analysing rod to assess teeth and soft tissues

Question 7

How is the graphite marker positioned?

Answer 7

tip is lined up to the gingival margin

Question 8

What measurements are the 3 undercut gauges and which one is used most commonly?

Answer 8

0.25mm
0.5mm
0.75mm

0.25mm for colbalt chrome

Question 9

What is used to locate undercut areas during surveying without marking the cast?

Answer 9

analysing rod