MDS PREP
A thin bluish line around the gingival margin is due to the absorption of
1. Silver
2. Mercury
3. Drugs like tetracylines
4. Lead
Periodontics
Answer: 4
A thin bluish line around the gingival margin is due to the absorption of lead.
Which of the following procedures is least successful in resolving a periodontally related osseous defect
1. Osseous coagulum graft
2. Resection surgery
3. Reattachment procedure
4. Alloplast graft
The procedure least successful in resolving a periodontally related osseous defect is the reattachment procedure.
The type of bone present labial to anterior teeth is
1. spongy
2. cortical
3. cancellous
4. squamous
Periodontics
Answer: 1
The bone located labial to anterior teeth is typically compact bone but can be
described as spongy or cancellous in some contexts referring to the internal
structure, depending on proximity to the tooth roots.
Treatment for ANUG in initial stages without systemic involvement is
1. Metronidazole and penicillin therapy
2. Gingivectomy and gingivoplasty
3. Both A and B
4. None of the above
Periodontics
Answer: 4
Treatment for ANUG in initial stages without systemic involvement is none of the above; typically, it involves debridement and possibly antibiotics.
A loosely adherent yellowish-white mass of cellular debris and microorganisms
on the teeth is termed
1. oral deposit
2. materia alba
3. dental plaque
4. salivary pellicle
Periodontics Answer: 2
Milky white, soft, and visible to the naked eye, Lacks the organized structure of dental plaquecomposed of Food debris, bacteria, dead tissue cells, leukocytes, and salivary proteins
Pigmentation of chemicals in mucosa is due to
1. Increased permeability of blood vessels
2. Local deposition of chemicals in muscosa
3. Subepithelial precipitation in connective tissue at the site due to increased capillary permeability
4. None of the above
Periodontics
Answer: 4
Pigmentation of chemicals in the mucosa is due to local deposition of chemicals in the mucosa.
A Gracey curette is said to be correctly adapted when the
1. Handle is parallel to the long axis of the tooth
2. Angle of blade to the tooth is 40
3. Lower shank is parallel with the tooth surface being sealed
4. None of the above
Periodontics
Answer: 3
A Gracey curette is correctly adapted when the lower shank is parallel with the tooth surface being scaled.
Which of part of the instrument should remain parallel (whenever possible) to the long axis of the tooth?
1. Blade
2. Cutting edge
3. Handle
4. Shank
Periodontics
Answer: 4
The part of the instrument that should remain parallel to the long axis of the tooth is the shank.