MDS PREP

The X-ray of a traumatized tooth is important because�
�1. To determine root fracture
�2. To assess the stage of root development
�3. As basis for future treatment
�4. All the above

Endodontics Answer: 4

Explanation: X-rays are essential in evaluating traumatized teeth for multiple
reasons, including detecting root fractures, assessing root development, and
planning future treatment. This comprehensive view aids in effective management
of dental trauma.

The irrigating should used with ultrasonic instruments used for preparation of root canal is
1) Sodium hypochlorite
2) Normal saline
3) Hydrogen peroxide
4) Chloramine

Endodontics Answer: 1

Sodium hypochlorite is commonly used as an irrigating solution with ultrasonic instruments in endodontic treatment for its antimicrobial properties. It helps in the cleaning and disinfection of the root canal system by removing organic debris and bacteria. Normal saline, hydrogen peroxide, and chloramine are also used as irrigants, but sodium hypochlorite is the most effective in eliminating bacteria.

Which of the following accurately describes continuous wave technique
1) The continuous wave technique is technique sensitive and requires special devices
2) The continuous wave technique is faster
3) It uses a heat caries that can compact and heat gutta-percha
4) All of the above

Endodontics Answer: 4

Electric pulp test
1) Requires more current for anterior teeth
2) Requires more current for posterior teeth
3) Same response
4) Better in inflamed teeth

Endodontics Answer: 2

Technique that is best suited for preparing fine and curved canals
1) Step back
2) Step down
3) Crown down
4) Double flare technique

Endodontics Answer: 4

The success of intentional reimplantation depends on all of the following except
1) Skillfull extraction without injury to facial and lingual plates
2) Short extra socket time
3) Intact healthy periodontal ligament
4) None of the above

Endodontics Answer: 4

In primary tooth, intrusion is common because
1) Alveolar bone is pliable
2) Vertical overlap of teeth
3) Lip protection to max. anterior
4) All of the above

Endodontics Answer: 1

Angle of tip of an endodontic instrument
1) 75 + 15
2) 75 - 15
3) 80 degrees
4) None of the above

Endodontics Answer: 4

MDS PREP

The X-ray of a traumatized tooth is important because�
�1. To determine root fracture
�2. To assess the stage of root development
�3. As basis for future treatment
�4. All the above

The irrigating should used with ultrasonic instruments used for preparation of root canal is
1) Sodium hypochlorite
2) Normal saline
3) Hydrogen peroxide
4) Chloramine

Which of the following accurately describes continuous wave technique
1) The continuous wave technique is technique sensitive and requires special devices
2) The continuous wave technique is faster
3) It uses a heat caries that can compact and heat gutta-percha
4) All of the above

Electric pulp test
1) Requires more current for anterior teeth
2) Requires more current for posterior teeth
3) Same response
4) Better in inflamed teeth

Technique that is best suited for preparing fine and curved canals
1) Step back
2) Step down
3) Crown down
4) Double flare technique

The success of intentional reimplantation depends on all of the following except
1) Skillfull extraction without injury to facial and lingual plates
2) Short extra socket time
3) Intact healthy periodontal ligament
4) None of the above

In primary tooth, intrusion is common because
1) Alveolar bone is pliable
2) Vertical overlap of teeth
3) Lip protection to max. anterior
4) All of the above

Angle of tip of an endodontic instrument
1) 75 + 15
2) 75 - 15
3) 80 degrees
4) None of the above

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MDS PREP

The X-ray of a traumatized tooth is important because��1. To determine root fracture�2. To assess the stage of root development�3. As basis for future treatment�4. All the above

The irrigating should used with ultrasonic instruments used for preparation of root canal is1) Sodium hypochlorite2) Normal saline3) Hydrogen peroxide4) Chloramine

Which of the following accurately describes continuous wave technique1) The continuous wave technique is technique sensitive and requires special devices2) The continuous wave technique is faster3) It uses a heat caries that can compact and heat gutta-percha4) All of the above

Electric pulp test1) Requires more current for anterior teeth2) Requires more current for posterior teeth3) Same response4) Better in inflamed teeth

Technique that is best suited for preparing fine and curved canals1) Step back2) Step down3) Crown down4) Double flare technique

The success of intentional reimplantation depends on all of the following except1) Skillfull extraction without injury to facial and lingual plates2) Short extra socket time3) Intact healthy periodontal ligament4) None of the above

In primary tooth, intrusion is common because1) Alveolar bone is pliable2) Vertical overlap of teeth3) Lip protection to max. anterior4) All of the above

Angle of tip of an endodontic instrument1) 75 + 152) 75 - 153) 80 degrees4) None of the above

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The X-ray of a traumatized tooth is important because�
�1. To determine root fracture
�2. To assess the stage of root development
�3. As basis for future treatment
�4. All the above

The irrigating should used with ultrasonic instruments used for preparation of root canal is
1) Sodium hypochlorite
2) Normal saline
3) Hydrogen peroxide
4) Chloramine

Which of the following accurately describes continuous wave technique
1) The continuous wave technique is technique sensitive and requires special devices
2) The continuous wave technique is faster
3) It uses a heat caries that can compact and heat gutta-percha
4) All of the above

Electric pulp test
1) Requires more current for anterior teeth
2) Requires more current for posterior teeth
3) Same response
4) Better in inflamed teeth

Technique that is best suited for preparing fine and curved canals
1) Step back
2) Step down
3) Crown down
4) Double flare technique

The success of intentional reimplantation depends on all of the following except
1) Skillfull extraction without injury to facial and lingual plates
2) Short extra socket time
3) Intact healthy periodontal ligament
4) None of the above

In primary tooth, intrusion is common because
1) Alveolar bone is pliable
2) Vertical overlap of teeth
3) Lip protection to max. anterior
4) All of the above

Angle of tip of an endodontic instrument
1) 75 + 15
2) 75 - 15
3) 80 degrees
4) None of the above