MDS PREP
A patient who has geen given tumoricidal dose of radiotherapy recently reports to dental clinic with painful carious exposed mandibular first molar with periapical abscess. The treatment of choice should be
1. Extraction of the offending tooth
2. Root canal treatment if possible
3. No treatment should be given
4. Incision and drainage of abscess
Oral Pathology
Answer: 2
Root canal treatment is the treatment of choice for a patient with a painful carious exposed mandibular first molar with periapical abscess.
Bleeding time is prolonged in
1. Haemophilia
2. Von Willebrand"s disease
3. Henoch-Schonlein purpura
4. Telangiectasia
Oral Pathology
Answer: 2
Bleeding time is prolonged in von Willebrand's disease.
The common feature of cherubusm, hyperparathyroidism and aneurysmal bone cyst is
1. All affect soft tissues only
2. All contain multinucleated giant cells histologically
3. All are of pituitary origin
4. All require aggressive therapy
Oral Pathology
Answer: 2
All these conditions contain multinucleated giant cells histologically.
Bismuth intoxication is manifested as
1. Pigmentation in areas of inflammation
2. Burtonian line
3. Gingiva
4. Blackish line in mucosa
Oral Pathology
Answer: 1
Bismuth intoxication is manifested as pigmentation in areas of inflammation.
Precocious puberty is most characteristic of which of the following/
1. Jaffe"s syndrome
2. Monostotic fibrous dysplasia
3. Polyostotic fibrous dysplasia
4. Albright"s syndrome
Oral Pathology
Answer: 4
Precocious puberty is most characteristic of Albright's syndrome.
Radiation dose to patient can be reduced by all of the following except
1. Speed films
2. Filters
3. By increasing target-object distance
4. Decreasing kilovoltage potential
Radiation dose can be reduced by using speed films, filters, and increasing target-object distance.
The treatment for a child with cherubism is
1. Surgical excision
2. Cosmetic surgery after puberty
3. Radiation
4. Enbloc dissection
Cosmetic surgery after puberty is the treatment for a child with cherubism.
Speed at which electron travel in gas tube once released from cathode filament is dependent on
1. Potential difference between electrodes
2. Angle between filament and anoxic target
3. Amount of kilovoltage applied to the circuit
4. Intensity of current applied to target
Oral Pathology
Answer: 1
The speed at which electrons travel in a gas tube is primarily dependent on the potential difference between electrodes.