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Oral Pathology and Oral Medicine

Description: mds entrance
Number of Questions: 16
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Tags: entrance MDS (Masters in Dental Surgery)
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Which anomaly is characteristic of Rubinstein-Taybi syndrome?

  1. Dens evaginatus

  2. Talon cusp

  3. Taurodontism

  4. Dens invaginatus

  5. Twinning

Show answer
Correct Option: B
Explanation:

Talon cusp is an accessory cuspal structure projecting from cingulum area of anterior teeth and associated with Rubinstein-Taybi syndrome.

Which of the following is characterized by a union of the roots of adjacent teeth through the cementum?

  1. Fusion

  2. Dilaceration

  3. Gemination

  4. Concrescence

  5. Taurodontism

Show answer
Correct Option: D
Explanation:

Concrescence is a form of fusion of cementum after completion of root formation.

Which anomaly is characteristic of Klinefelter's syndrome?

  1. Talon's cusp

  2. Dens evaginatus

  3. Dens invaginatus

  4. Taurodontism

  5. Fusion

Show answer
Correct Option: D
Explanation:

Taurodontism is associated with Klinefelter's syndrome.

Which of the following is false about Taurodontism?

  1. Taurodontism is due to failure of Hertwig's sheath to invaginate at proper horizontal level.

  2. Mostly molars are involved in Taurodontism.

  3. The pulp chambers are extremely large in Taurodontism.

  4. Taurodontism is associated with Rubinstein-Taybi syndrome.

  5. The body of tooth roots is short in Taurodontism.

Show answer
Correct Option: D
Explanation:

Taurodontism is associated with Klinefelters syndrome.

Which of the following syndromes is characterized by double lip?

  1. Parry Romberg syndrome

  2. Aschers syndrome

  3. Gardener's syndrome

  4. Van der Woud's syndrome

  5. Melkersson-Rosenthal syndrome

Show answer
Correct Option: B
Explanation:

Aschers syndrome is characterized by double lip.

Which of the following conditions is characterized by normal enamel but atypical dentin formation with abnormal pulpal morphology?

  1. Dentin dysplasia

  2. Regional odontodysplasia

  3. Dentinogenesis imperfecta

  4. Amelogenesis imperfecta

  5. Both option1and 2 are correct

Show answer
Correct Option: A
Explanation:

Dentin dysplasia is characterized by normal enamel but atypical dentin formation with abnormal pulpal morphology.

Which of the following is characterized by Mitten Hands and Socket Feet?

  1. Achondroplasia

  2. Fibrous dysplasia

  3. Apert syndrome

  4. Crouzon's syndrome

  5. Down's syndrome

Show answer
Correct Option: C
Explanation:

Apert syndrome is characterized by Mitten Hands and Socket Feet.

HX bodies are seen in which of the following?

  1. Langerhans cell histiocytosis

  2. Osteosarcoma

  3. Achondroplasia

  4. Fibrous dysplasia

  5. None of the above

Show answer
Correct Option: A
Explanation:

HX bodies are seen in Langerhans cell histiocytosis.

Which one of the following syndromes is characterized by the lip swelling, fissured tongue and unilateral facial palsy?

  1. Ascher's syndrome

  2. Van der Woud's syndrome

  3. Parry Romberg syndrome

  4. Melkersson-Rosenthal syndrome

  5. Gardener's syndrome

Show answer
Correct Option: D
Explanation:

Melkersson-Rosenthal syndrome is characterized by the lip swelling, fissured tongue and unilateral facial palsy.

Which of the following statements is not correct?

  1. Honey comb appearance is seen in Adenoid cystic carcinoma.

  2. Pickets fence appearance is seen in Odontogenic keratocyst.

  3. Saw tooth retepegs appearace is seen in Leukoplakia.

  4. Starry sky appearance is seen in Burkit's lymphoma.

  5. Jigsaw puzzle appearance of bone is seen in Paget's disease.

Show answer
Correct Option: C
Explanation:

Saw tooth retepegs appearace is seen in Lichen planus.

Cafe-au-lait spots are seen in __________.

  1. Neurofibromatosis

  2. Fibrous dysplasia

  3. Option 1 and 2

  4. Periapical granuloma

  5. Apical periodontal cyst

Show answer
Correct Option: C
Explanation:

This is the correct answer.

Onion skin radiographic appearance is observed in case of ____________.

  1. Pindborg tumour

  2. Ameloblastoma

  3. Paget's disease

  4. Ewing's sarcoma

  5. Sjogren's syndrome

Show answer
Correct Option: D
Explanation:

Onion skin radiographic appearance is observed in case of Ewing's sarcoma.

Which of the following is the most common developmental disorder affecting the tongue?

  1. Median rhomboid glossitis

  2. Abnormally fissured tongue

  3. White spongy nevus

  4. Black hairy tongue

  5. All of the above

Show answer
Correct Option: B
Explanation:

Abnormally fissured tongue is the most common developmental disorder affecting the tongue.

Which one of the following genetic disorders is characterized by atrophic changes of the deeper structures involving one side of the face?

  1. Klinefelter's syndrome

  2. Rubinstein-Taybi syndrome

  3. Down's syndrome

  4. Parry Romberg syndrome

  5. Edward's syndrome

Show answer
Correct Option: D
Explanation:

Parry Romberg syndrome is a genetic disorder characterized by atrophic changes of the deeper structures involving one side of the face.

Which of the following diseases is characterized by the typical dermal capillary venous angioma or portwine nevi?

  1. Heck's disease

  2. Addison's disease

  3. Sturge Weber disease

  4. Paget's disease

  5. Baelz's disease

Show answer
Correct Option: C
Explanation:

Sturge Weber disease is characterized by the typical dermal capillary venous angioma or portwine nevi.

Which of the following is characterized by carpet track extensions?

  1. Psoriasis

  2. Lupus erythematosus

  3. Lichen planus

  4. Bullous pemphigoid

  5. Erythema multiforme

Show answer
Correct Option: B
Explanation:

Lupus erythematosus is characterized by carpet track extensions.

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