MDS PREP

In periapical surgery, which of the following flap designs limits access to the operative site and often heals with scar formation
1) Envelope
2) Rectangular
3) Triangular
4) None of the above

Endodontics Answer: 1

Concentration of EDTA utilised during biomechanical preparation is
1) 20 % at pH 704
2) 15 % at pH 5.0
3) 15 % at pH 7.3
4) 25 % at pH 7.4

Endodontics Answer: 3

Which of the following regarding cleaning and shaping of the canal is false
1) Shaping of canal is done after cleaning the apical 1/3rd to ensure patency
2) Shaping facilitates placement of instruments to the working length by increasing the coronal taper
3) Shaping permits more accurate assessment of the apical cross-sectional diameter of the canal
4) None of the above

Endodontics Answer: 1

A patient under fixed orthodontic therapy got his anterior tooth injured and became non-vital. You would like to
1. Perform endodontic therapy without disturbing bands and arch wires
2. Remove arch wire and perform endodontic therapy
3. Both of the above
4. None of the above

Endodontics Answer: 1

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

Identify the wrong statement about maxillary molars
1) Root of pulp chamber of maxillary first molar is rhomboidal
2) Floor is triangular with lingual wall missing
3) Access cavity opening is trapezoidal
4) Occlusal outline is parallelogram

Endodontics Answer: 3

The following instrument is used to remove lingual shoulder after access cavity preparation
1) Peeso reamer
2) Gates-Glidden dril
3) K-flex file
4) Barbed broach

Endodontics Answer: 2

MDS PREP

In periapical surgery, which of the following flap designs limits access to the operative site and often heals with scar formation
1) Envelope
2) Rectangular
3) Triangular
4) None of the above

Concentration of EDTA utilised during biomechanical preparation is
1) 20 % at pH 704
2) 15 % at pH 5.0
3) 15 % at pH 7.3
4) 25 % at pH 7.4

A patient under fixed orthodontic therapy got his anterior tooth injured and became non-vital. You would like to
1. Perform endodontic therapy without disturbing bands and arch wires
2. Remove arch wire and perform endodontic therapy
3. Both of the above
4. None of the above

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

Identify the wrong statement about maxillary molars
1) Root of pulp chamber of maxillary first molar is rhomboidal
2) Floor is triangular with lingual wall missing
3) Access cavity opening is trapezoidal
4) Occlusal outline is parallelogram

The following instrument is used to remove lingual shoulder after access cavity preparation
1) Peeso reamer
2) Gates-Glidden dril
3) K-flex file
4) Barbed broach

The instrument most likely to push debris through the apex is
1) Reamer
2) File
3) Broach
4) Smooth explorer

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MDS PREP

In periapical surgery, which of the following flap designs limits access to the operative site and often heals with scar formation1) Envelope2) Rectangular3) Triangular4) None of the above

Concentration of EDTA utilised during biomechanical preparation is1) 20 % at pH 7042) 15 % at pH 5.03) 15 % at pH 7.34) 25 % at pH 7.4

A patient under fixed orthodontic therapy got his anterior tooth injured and became non-vital. You would like to 1. Perform endodontic therapy without disturbing bands and arch wires 2. Remove arch wire and perform endodontic therapy 3. Both of the above 4. None of the above

The X-ray of a traumatized tooth is important because1) To determine root fracture2) To assess the stage of root development3) As basis for future treatment4) All the above

Identify the wrong statement about maxillary molars1) Root of pulp chamber of maxillary first molar is rhomboidal2) Floor is triangular with lingual wall missing3) Access cavity opening is trapezoidal4) Occlusal outline is parallelogram

The following instrument is used to remove lingual shoulder after access cavity preparation1) Peeso reamer2) Gates-Glidden dril3) K-flex file4) Barbed broach

The instrument most likely to push debris through the apex is1) Reamer2) File3) Broach4) Smooth explorer

Explore by subjects

In periapical surgery, which of the following flap designs limits access to the operative site and often heals with scar formation
1) Envelope
2) Rectangular
3) Triangular
4) None of the above

Concentration of EDTA utilised during biomechanical preparation is
1) 20 % at pH 704
2) 15 % at pH 5.0
3) 15 % at pH 7.3
4) 25 % at pH 7.4

A patient under fixed orthodontic therapy got his anterior tooth injured and became non-vital. You would like to
1. Perform endodontic therapy without disturbing bands and arch wires
2. Remove arch wire and perform endodontic therapy
3. Both of the above
4. None of the above

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

Identify the wrong statement about maxillary molars
1) Root of pulp chamber of maxillary first molar is rhomboidal
2) Floor is triangular with lingual wall missing
3) Access cavity opening is trapezoidal
4) Occlusal outline is parallelogram

The following instrument is used to remove lingual shoulder after access cavity preparation
1) Peeso reamer
2) Gates-Glidden dril
3) K-flex file
4) Barbed broach

The instrument most likely to push debris through the apex is
1) Reamer
2) File
3) Broach
4) Smooth explorer