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NEET MDS Quiz - Practice Test
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radiology - 3 Questions

1
Radiology
Location and radiographic density make a talon cusp appear similar to
1) Delacerations
2) Concrescence
3) A supernumerary tooth
4) Dens in dente

📝 Explanation:

1. Anodontia: This is the complete absence of teeth. It is a rare condition where an individual fails to develop any teeth.
2. Oligodontia: This term is used when an individual has fewer teeth than the typical dental formula, which is six incisors, two canines, two premolars, and six molars in the permanent dentition (excluding the third molars or wisdom teeth). The term "hypodontia" is often used synonymously with oligodontia, but hypodontia can also refer to a broader range of conditions characterized by the congenital absence of one or more teeth, whereas oligodontia is more specifically the absence of six or more teeth.
3. Microdontia: This condition involves teeth that are smaller than normal. It can affect either the primary or permanent dentition and may involve one tooth or multiple teeth.
4. Dens in dente: This is a rare developmental anomaly where a tooth forms within the dental crown of another tooth, typically in the form of a small tooth-like structure. It is not a condition of tooth number but rather an abnormality of tooth structure.

2
Radiology
A consistant radiographic feature in Page"s disease is 
 1. Hypercementosis of tooth
 2. Widened periodontal ligament
 3. Loss of normal trabecular pattern of bone
 4. Root resorption

📝 Explanation:

A consistent radiographic feature in Paget's disease is hypercementosis of tooth.

3
Radiology

Which of the following is a possible cause for a low density radiograph (light film?)
1. Cold developer
2. over exposure
3. Improper safety light
4. Excessive developing time

📝 Explanation:

Overexposure typically results in a darker film, not a lighter one. An improper safety light or excessive developing time would not directly cause a low density radiograph. It is essential to maintain the correct temperature and time in the developing process to achieve a diagnostic image quality. A cold developer will not fully develop the film, leading to a lighter, less detailed image.

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