Dental Operating Microscope in Endodontic Therapy
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Questions and Answers

What is one of the few procedures that demands tolerances beyond the 0.2-mm limit?

  • Crown margins (correct)
  • Caries removal
  • Root canal location
  • Bone- and soft-tissue grafting

What is essential in improving clinical visualization?

  • Only magnification range
  • Neither magnification range nor stereopsis
  • Only stereopsis
  • Both magnification range and stereopsis (correct)

What was the limitation of the first operating microscope introduced in 1981?

  • It was only suitable for endodontic procedures
  • It was only suitable for restorative procedures
  • It was poorly configured and ergonomically difficult to use (correct)
  • It was ergonomically easy to use

What advantage did Gary Carr's operating microscope have in 1991?

<p>It had Gallilean optics (B)</p> Signup and view all the answers

What is a crucial consideration in microscope design for clinical use?

<p>Both resolving power and ergonomics (A)</p> Signup and view all the answers

What is a potential drawback of prolonged microscope use?

<p>Both eyestrain and head and neck fatigue (C)</p> Signup and view all the answers

What is a significant advantage of the dental operating microscope?

<p>It can be used for nearly all endodontic and restorative procedures (C)</p> Signup and view all the answers

What is an essential aspect of clinical visualization?

<p>Both magnification and working distance (B)</p> Signup and view all the answers

What was a limitation of the cost of the dental operating microscope?

<p>It was very expensive (C)</p> Signup and view all the answers

What is a necessary consideration in microscope design for documentation?

<p>Both illumination and accessories (D)</p> Signup and view all the answers

What is the primary function of the beam splitter in the dental microscope?

<p>To supply light to accessories (C)</p> Signup and view all the answers

What type of bulb is used as a light source in a dental microscope?

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

What is the purpose of the magnification changer in a dental microscope?

<p>To switch between different magnification powers (B)</p> Signup and view all the answers

What is an essential component of a dental microscope for documentation purposes?

<p>Beam splitter (C)</p> Signup and view all the answers

What is the range of magnification powers available in eye pieces of a dental microscope?

<p>6.3X to 20X (D)</p> Signup and view all the answers

What is the primary function of the supporting structure in a dental microscope?

<p>To support the microscope (A)</p> Signup and view all the answers

What is the role of accessories in a dental microscope?

<p>To provide additional functionality (B)</p> Signup and view all the answers

What is the primary advantage of using a dental operating microscope in endodontic therapy?

<p>Major advantages in all areas of endodontic therapy (A)</p> Signup and view all the answers

What is a specific indication for the use of a dental operating microscope?

<p>Diagnosis of cracked teeth (B)</p> Signup and view all the answers

What is an advantage of using a dental operating microscope during instrumentation?

<p>Improved visibility of the pulp chamber (C)</p> Signup and view all the answers

What is a benefit of using a dental operating microscope in open apex cases?

<p>Improved visualization of the canal system (B)</p> Signup and view all the answers

What is a potential application of a dental operating microscope in endodontic treatment?

<p>Perforation repair (C)</p> Signup and view all the answers

What is a potential advantage of using a dental operating microscope in microsurgical apicoectomy?

<p>Improved visibility of the surgical site (A)</p> Signup and view all the answers

What is a benefit of using a dental operating microscope in the examination of the canal?

<p>Improved visualization of canal anatomy (D)</p> Signup and view all the answers

What is the definition of resolution according to Webster?

<p>The ability of an optical system to make clear and distinguishable two separate entities (A)</p> Signup and view all the answers

What is the approximate field of view of an individual human eye?

<p>95° away from the nose, 75° downward, 60° toward the nose, and 60° upward (D)</p> Signup and view all the answers

What is a key reason why dentists need enhanced vision in dentistry?

<p>To perform procedures that require tolerances beyond the 0.2 mm limit of human sight (B)</p> Signup and view all the answers

What is the primary limitation of human vision in dentistry?

<p>The limited resolution of human sight (C)</p> Signup and view all the answers

What is a common procedure in dentistry that requires enhanced vision?

<p>Crown margin preparation (A)</p> Signup and view all the answers

What is the primary advantage of using a dental microscope in dentistry?

<p>Enhanced resolution and magnification (B)</p> Signup and view all the answers

Why is enhanced vision necessary in dentistry?

<p>To perform procedures that require tolerances beyond the 0.2 mm limit of human sight (C)</p> Signup and view all the answers

What is a significant advantage of using a dental operating microscope in examination, diagnosis, and treatment planning?

<p>Improved detection of cracked teeth (C)</p> Signup and view all the answers

What is an important aspect of using a dental operating microscope during instrumentation?

<p>Locating hidden canals and canal systems (C)</p> Signup and view all the answers

In which specific case is the use of a dental operating microscope particularly useful?

<p>During open apex cases (B)</p> Signup and view all the answers

What is a potential advantage of using a dental operating microscope in identification and removal of obstructions?

<p>Improved detection of calcifications (A)</p> Signup and view all the answers

What is a significant advantage of using a dental operating microscope in diagnosis and treatment planning?

<p>Improved detection of cracked teeth (B)</p> Signup and view all the answers

What is an essential aspect of using a dental operating microscope during microsurgical apicoectomy?

<p>Easier location of hidden canals and canal systems (D)</p> Signup and view all the answers

What is a potential advantage of using a dental operating microscope in the removal of fractured posts and instruments?

<p>Enhanced removal of obstructions (A)</p> Signup and view all the answers

What is a significant advantage of using a dental operating microscope during perforation repair?

<p>Better visualization of the pulp chamber (B)</p> Signup and view all the answers

What is an important aspect of using a dental operating microscope during three-dimensional obturation?

<p>Better visualization of the pulp chamber (B)</p> Signup and view all the answers

What is a potential advantage of using a dental operating microscope during post-endodontic management?

<p>Better visualization of the pulp chamber (B)</p> Signup and view all the answers

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