MDS PREP
The existence of a 2 mm diastema between the fully erupted maxillary permanent central incisors of a 7 year old
child may be attributed to
1. a prominent anterior nasal spine
2 a broad nasal septum
3 failure of fusion of the premaxillae
4. the normal eruption pattern of these teeth
Pedodontics
Answer: 4
A diastema, or space between teeth, can be a normal finding in children, especially during the mixed dentition phase. The presence of a 2 mm diastema between the maxillary central incisors in a 7-year-old is often due to the normal eruption pattern of these teeth, as they may not yet be fully aligned or spaced appropriately.
All of the following signs of periodontal except
1. Pain
2. Mobility
3. Hypersensitivity
4. Bleeding
Pain is a sign of periodontal disease.
The advantage of electrosurgery over blade for gingival tissue management is
1. Rapid postoperative healing
2. Cheaper
3. Less haemorrhage
4. All of the above
The advantage of electrosurgery over blade for gingival tissue management is less hemorrhage.
Gracey curette No.11-12 are used for
1. Anterior teeth
2. Posterior teeth mesial
3. Posterior teeth distal
4. Posterior teeth facial and lingual
Pedodontics
Answer: 2
Gracey curette No. 11-12 is used for posterior teeth mesial.
In AIDS patients, occurrence of severe and acute periodontal disease is due to
1. Reduced number of T cells
2. Release of lymphokines
3. Cytotoxic reaction
4. All of the above
Pedodontics
Answer: 4
Severe and acute periodontal disease in AIDS patients is due to reduced number of T cells.
"V" shaped bone loss is seen in
1. Trauma from occlusion
2. Simple periodontitis
3. Orthodontic tooth movements
4. All of the above
A "V" shaped bone loss is seen in trauma from occlusion.
In a patient without gingival recession, the distance between base of pocket and cementoenamel junction is 4 mm and that of free gingival margin to cementoenamel junction is 3 mm. Total depth of the pocket
1. 7 mm
2. 3 mm
3. 4 mm
4. 10 mm
In a patient without gingival recession, the total depth of the pocket is 7 mm.
Band and loop space maintainer is a
1) Passive appliance
2) Active appliance
3) Both of the above
4) None of the above
Pedodontics
Answer: 1
A band and loop space maintainer is a passive appliance used in pediatric dentistry to maintain space for a permanent tooth when a primary tooth is lost prematurely. It does not exert any active forces on the teeth, hence categorized as a passive appliance.