MDS PREP

Apicoectomy is indicated in which one of the following cases?
1. Persistent positive results of root canal culture for microorganisms
2. Incomplete obturation in apical part of root canal with persistent infection
3. Presence of a minor pulp stone in pulp chamber
4. All of the above

Endodontics Answer: 1

Pain due to acute "irreversible" pulpitis is
1) Spontaneous
2) Sharp
3) Lasting for short time
4) Both A and B

Endodontics Answer: 4

K-flex file is traditionally made from which shaped blank
1. Diamond
2. Triangular
3. Square
4. All of the above

Endodontics Answer: 1

Bismuth compounds are incorporated in root canal filling materials because they are
1. Radioopaque
2. Germicidal
3. Radiolucent
4. Adhesive

Endodontics Answer: 1

A 12-year-old child comes to your office with a history of long-term use of tetracycline. The anterior teeth are a mild yellowith brown. What method would you use to remove the stain?
1) Hydrochloric acid pumice microabrasions
2) At home bleaching method
3) Superoxol with or without heat
4) Composite resin veneers

Endodontics Answer: 2

The teeth that are more prone to perforation by slight mesial and distal deviation of a bur are
1) Mandibular incisors & maxillary first premolars
2) Maxillary first premolars & mandibular molar
3) Maxillary incisors & mandibular molars
4) Maxillary molar & mandibular first premolar

Endodontics Answer: 1

The first generation apex locators are
1. Resistance type
2. Impedance type
3. Frequency type
4. Combination of any one of the above

Endodontics Answer: 1

Most common cause of pulp pathology (pulpitis) most commonly results from
1) Microbial invasion
2) Chemical insult from restoration
3) Cavity preparation
4) Accidental trauma

Endodontics Answer: 1

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MDS PREP

Apicoectomy is indicated in which one of the following cases? 1. Persistent positive results of root canal culture for microorganisms 2. Incomplete obturation in apical part of root canal with persistent infection 3. Presence of a minor pulp stone in pulp chamber 4. All of the above

Pain due to acute "irreversible" pulpitis is1) Spontaneous2) Sharp3) Lasting for short time4) Both A and B

K-flex file is traditionally made from which shaped blank 1. Diamond2. Triangular3. Square4. All of the above

Bismuth compounds are incorporated in root canal filling materials because they are 1. Radioopaque 2. Germicidal 3. Radiolucent 4. Adhesive

The teeth that are more prone to perforation by slight mesial and distal deviation of a bur are1) Mandibular incisors & maxillary first premolars2) Maxillary first premolars & mandibular molar3) Maxillary incisors & mandibular molars4) Maxillary molar & mandibular first premolar

The first generation apex locators are 1. Resistance type 2. Impedance type 3. Frequency type 4. Combination of any one of the above

Most common cause of pulp pathology (pulpitis) most commonly results from1) Microbial invasion2) Chemical insult from restoration3) Cavity preparation4) Accidental trauma

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Apicoectomy is indicated in which one of the following cases?
1. Persistent positive results of root canal culture for microorganisms
2. Incomplete obturation in apical part of root canal with persistent infection
3. Presence of a minor pulp stone in pulp chamber
4. All of the above

Pain due to acute "irreversible" pulpitis is
1) Spontaneous
2) Sharp
3) Lasting for short time
4) Both A and B

K-flex file is traditionally made from which shaped blank
1. Diamond
2. Triangular
3. Square
4. All of the above

Bismuth compounds are incorporated in root canal filling materials because they are
1. Radioopaque
2. Germicidal
3. Radiolucent
4. Adhesive

The teeth that are more prone to perforation by slight mesial and distal deviation of a bur are
1) Mandibular incisors & maxillary first premolars
2) Maxillary first premolars & mandibular molar
3) Maxillary incisors & mandibular molars
4) Maxillary molar & mandibular first premolar

The first generation apex locators are
1. Resistance type
2. Impedance type
3. Frequency type
4. Combination of any one of the above

Most common cause of pulp pathology (pulpitis) most commonly results from
1) Microbial invasion
2) Chemical insult from restoration
3) Cavity preparation
4) Accidental trauma