MDS PREP
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
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 mesiolingual root canal of the mandibular 1st molar is found under the
1) Mesiolingual cusp
2) Mesiobuccal cusp
3) Central groove
4) Mesiolingual ridge
Endodontics
Answer: 3
Purple coloured reamer is fumbered
1. 08
2. 10
3. 15
4. 30
Endodontics
Answer: 2
The principal cone of gutta-percha used for condensation should
1) Fit exactly at apex
2) Have a definite apical seal
3) Fit loosely in the canal
4) Be 2 mm from the apex
Endodontics
Answer: 2
Most common cause of persistent false positive cultures is due to
1. Contamination with saliva
2. Cultural reversal
3. Contaminated culture media
4. Improper penetration of absorbent paper