MDS PREP
The lower incisors of a patient were injured four years ago. Now radiographs reveal a large radiolucent area associated with the apices of these teeth. Line of treatment is
1) Extract four incisors
2) Perform PA surgery
3) Endodontic treatment of only non-vital teeth
4) None of the above
Endodontics
Answer: 3
Chronic periapical abscess can be differentiated from a periapical granuloma by
1. Radiographic examination only
2. Vitality tests
3. Histopathology
4. Subjective symptoms
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
Bismuth compounds are incorporated in root canal filling materials because they are
1) Radioopaque
2) Germicidal
3) Radiolucent
4) Adhesive
Endodontics
Answer: 1
Internal resorption is common in
1. Upper molar
2. Upper central incisors
3. Lower central incisors
4. Upper canines
Endodontics
Answer: 2
In walking bleach procedure which of the following technique are used
1. Sodium perborate
2. HCI
3. Carbamide peroxide
4. EDTA