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1 Shift
List a major error in the access opening for:
1- Premolar:
2- Molar:
2 Shift
1- What is wrong in this access cavity design?
2- What is the necessary step needed to correct it?
3 Shift
A CB
Write down the type of Vertucci’s canal configurations for each tooth
4 Shift
1- What is the type of error?
2- Why it is happened?
5 Shift
1. What is the name of the device ?2. What is the name of the object marked with a RED arrow ?
6 Shift
Mention 2 uses of the rubber stopper ?
7
Shift
This Photograph shows root canal apical blockage with debris, this can be prevented by:1- 2-
8 Shift
1- Name of this instrument?
2- How can one knows the size of this instrument?
9
Shift
1- During crown down preparation of mesiobuccal canal of a lower molar what is it used for?2- On which wall should it be placed when used in mesiobuccal canal?
10
Shift
These two photomicrographs are for canal walls before and after removal of the smear layer
1- Mention one reason why do we have to remove the smear layer?2- How can it be removed?
11 Shift
• Name of material with red arrow
• Name of canal with yellow arrow
• This is an access for which tooth?
12 Shift
1- The name of both objects inside root canal
2- The function of object labeled with an arrow
13Shift
1- The name of this obturation technique
14
Shift
1- The name of this canal if this radiograph is taken with mesial angulation?
15 Shift
1- What are the possible sizes for this yellow colored file?2- write down the corresponding diameter for each size?3- what is the rate of tapering per millimeter?