Mandibular Dysostosis and Maxillary Deficiencies Quiz

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Questions and Answers

Why does cleft palate occur?

  • It occurs when the hard and soft palates do not fuse properly.
  • Due to the fusion of the two maxillary processes.
  • As a result of the third maxillary process interfering with fusion. (correct)
  • Because the 2-palatine half fuses incorrectly.

Which group of cleft palate classification involves complete bilateral clefts?

  • Group IV (correct)
  • Group III
  • Group II
  • Bifid uvula

What is the typical treatment age for speech-related issues in cleft palate cases?

  • 6 years
  • 2 years
  • 4 years (correct)
  • 1 year

Which congenital defect is characterized by the absence of clavicle?

<p>Cleidocranial dysostosis (D)</p> Signup and view all the answers

What is the term used to describe the foreshortening of the sternocleidomastoid muscle?

<p>Torticollis (B)</p> Signup and view all the answers

What type of profile is associated with Class 3 congenital defects?

<p>Concave profile (B)</p> Signup and view all the answers

Which postnatal injury can contribute to periodontal breakdown and affect the oral cavity?

<p>Accidents leading to dietary problems (B)</p> Signup and view all the answers

What is the most common cause of early extraction in the oral cavity?

<p>Dental caries (B)</p> Signup and view all the answers

Which condition is characterized by the missing lateral border of the orbit and zygoma, convex profile, and mandibular dysostosis?

<p>Trichercholins syndrome (C)</p> Signup and view all the answers

What prenatal influence can result in drug-induced deformities like cleft lip and palate?

<p>Amniotic lesion (C)</p> Signup and view all the answers

Why does the mandible finish growth after the maxilla?

<p>Cephalocaudal gradient of growth (B)</p> Signup and view all the answers

What condition can result from improper deglutition in the oral cavity?

<p>Abnormal muscle function (D)</p> Signup and view all the answers

What may increase the risk of periodontal disease in the oral cavity?

<p>Hard to clean interproximal areas (B)</p> Signup and view all the answers

Which congenital defect is characterized by the absence of cartilage and concave facial features?

<p>Ectodermal dysplasia (A)</p> Signup and view all the answers

What treatment approach is commonly used for correcting cleft lip and palate deformities?

<p>Surgical intervention (C)</p> Signup and view all the answers

Which factor can lead to supraeruption in the oral cavity?

<p>Deciduous molar loss (D)</p> Signup and view all the answers

Which is a common consequence of abnormal bone deformities affecting the oral cavity?

<p>Interference with normal growth and development (B)</p> Signup and view all the answers

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