04012024 Dental Radiology: Bone Loss Diagnosis
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Questions and Answers

What is the ideal distance between the CG and the alveolar crest?

  • 2 to 5 millimeters
  • 1 to 3 millimeters
  • Half a millimeter to two millimeters (correct)
  • 0.5 to 1 millimeter

What is the effect of overexposure on a dental radiograph?

  • It makes everything look darker and burns out fine details (correct)
  • It enhances fine details
  • It reduces the optical density of the film
  • It has no effect on the image

What is the criterion for diagnosing mild periodontal bone loss on a radiograph?

  • Up to 10% of the root length
  • Up to 20% of the root length
  • Up to 25% of the root length
  • Up to 15% of the root length (correct)

What is the term for the inflammation of the gingiva?

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

What is the term for the space between the tooth and the surrounding bone?

<p>PDL space (C)</p> Signup and view all the answers

What is the primary indicator of a horizontal periodontal bone loss?

<p>The lines drawn from C.J. to C.J. and the alveolar crest are more than 2-3mm away from each other and parallel (B)</p> Signup and view all the answers

What type of bone loss is characterized by non-parallel lines drawn from C.J. to C.J. and the alveolar crest?

<p>Vertical bone loss (B)</p> Signup and view all the answers

What is the term for the erosion of the bone of the cortical outline?

<p>Erosion of the cortical outline (D)</p> Signup and view all the answers

What is the term for the loss of the alveolar crest?

<p>Blunting of the alveolar crest (A)</p> Signup and view all the answers

What is the characteristic of the lines drawn from C.J. to C.J. and the alveolar crest in a healthy periodontium?

<p>The lines are parallel and less than 2mm away from each other (B)</p> Signup and view all the answers

What is the characteristic of a periodontal abscess on a radiograph?

<p>A thin black line communicating the oral cavity (D)</p> Signup and view all the answers

What type of periodontal bone loss is often associated with younger individuals and affects specific teeth?

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

What is the result of the superimposition of the cortical plates on a radiograph?

<p>A smudged image with reduced opacity (D)</p> Signup and view all the answers

What is the term for a gap or hole in the bone that can be seen clinically?

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

What is the relationship between occlusal trauma and periodontal bone loss?

<p>Occlusal trauma is a cause of periodontal bone loss (B)</p> Signup and view all the answers

What is the primary limitation of using a small field of view scan to evaluate mild implant bone loss?

<p>Severe metal artifact that obscures adjacent structures (D)</p> Signup and view all the answers

What is the significance of the white line in assessing periodontal bone loss?

<p>It defines the crest of the alveolar bone (D)</p> Signup and view all the answers

What is the primary advantage of using a PA radiograph over a small field of view scan in evaluating periodontal bone loss?

<p>More accurate detection of mild periodontal bone loss (A)</p> Signup and view all the answers

What is the characteristic radiographic feature of a chronic periodontal lesion?

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

What is the purpose of drawing lines from CG to CG and defining the alveolar crest in assessing periodontal bone loss?

<p>To determine the severity of periodontal bone loss (B)</p> Signup and view all the answers

What can a uniform widening of the periodontal ligament space be associated with?

<p>Systemic diseases (D)</p> Signup and view all the answers

What can cause localized periodontal bone loss in specific areas?

<p>Overhangs from adjacent restorations (B)</p> Signup and view all the answers

What can be indicative of occlusal trauma on one side of a tooth?

<p>Widening of the PDL space on one side (D)</p> Signup and view all the answers

What can be seen on a radiograph to diagnose periodontal bone loss?

<p>Condition of the alveolar crest (C)</p> Signup and view all the answers

What can cause widening of the periodontal ligament space?

<p>All of the above (D)</p> Signup and view all the answers

What is a limitation of intraoral imaging?

<p>It projects a 3D image onto a 2D image, losing the third dimension (C)</p> Signup and view all the answers

What can be hidden by higher bony walls in intraoral imaging?

<p>Bony defects and overlapping teeth (A)</p> Signup and view all the answers

What is underestimated on radiographs?

<p>Bone destruction (C)</p> Signup and view all the answers

What can be difficult to distinguish on radiographs?

<p>Carries and proximal bone loss (A)</p> Signup and view all the answers

What is not visible on radiographs?

<p>Soft tissue (A)</p> Signup and view all the answers

What is the characteristic feature of the bone loss observed in the given radiograph?

<p>Sparse bone loss with granular appearance (A)</p> Signup and view all the answers

What is the most likely diagnosis based on the patient's radiograph and symptoms?

<p>Hematopoietic malignancy (C)</p> Signup and view all the answers

What is the significance of the lack of improvement in the patient's periodontal bone loss after scaling?

<p>It suggests the presence of a malignancy (D)</p> Signup and view all the answers

What is the characteristic of the bone loss observed in the radiograph that is not typically seen in periodontal bone loss?

<p>Scooped out lesions (B)</p> Signup and view all the answers

What is the most likely explanation for the patient's bilateral periodontal bone loss?

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

What is the significance of the loss of lamina dura in the radiograph?

<p>It is a sign of malignancy (D)</p> Signup and view all the answers

What is the characteristic feature of the bone loss observed in the radiograph that is consistent with fibro dysplasia?

<p>Sparse bone loss with granular appearance (B)</p> Signup and view all the answers

What is the most likely diagnosis based on the patient's symptoms and radiograph?

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

What is the significance of the root resorption observed in the radiograph?

<p>It is a sign of malignancy (B)</p> Signup and view all the answers

What is the characteristic feature of the patient's periodontal bone loss that is not typical of periodontal disease?

<p>Root resorption (D)</p> Signup and view all the answers

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