Dental Casting Waxes Quiz
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Questions and Answers

What is the primary use of utility wax in dentistry?

  • To create corrective impressions of soft tissues
  • To record bite registrations for model articulation
  • To permanently fix denture components together
  • To temporarily fix soldered components during their soldering (correct)

What is a key physical property of utility wax that makes it useful for temporarily fixing components?

  • It has a low melting range
  • It has a high thermal conductivity
  • It is hard and brittle at room temperature
  • It is soft and sticky when heated under a flame (correct)

Why is the brittleness of utility wax an important consideration for the operator?

  • It can make the wax less sticky when heated
  • It can cause the wax to fracture with the slightest torque (correct)
  • It can make the wax difficult to work with
  • It can cause the wax to become too soft and lose its fixing ability

What is a key difference between the melting point and melting range of dental waxes?

<p>The melting range is due to dental waxes being a mixture of different waxes (A)</p> Signup and view all the answers

How does the low thermal conductivity of waxes impact their use in dental applications?

<p>It makes it difficult to achieve uniform heating (B)</p> Signup and view all the answers

What is the purpose of corrective impression wax in dentistry?

<p>To record soft tissue fine details in edentulous patients during function (B)</p> Signup and view all the answers

What is the primary function of utility wax in dental procedures?

<p>To act as a base for dentures (B)</p> Signup and view all the answers

Which type of utility wax is used directly in the mouth?

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

What distinguishes utility wax from other types of dental waxes?

<p>It has adequate flow to record cavity details (A)</p> Signup and view all the answers

What is the main purpose of using utility wax in the lost wax technique?

<p>To produce accurate cavity details in the wax pattern (D)</p> Signup and view all the answers

Which type of utility wax produces dark blue or green sticks and pellets?

<p>Inlay wax (C)</p> Signup and view all the answers

What property of utility wax makes it suitable for recording intricate cavity details?

<p>Adequate flow when softened (B)</p> Signup and view all the answers

Which of the following is a use of utility wax?

<p>To adapt the periphery of an impression for a better fit into the vestibule (C)</p> Signup and view all the answers

Which property of utility wax allows it to be used for covering sharp brackets and wires in orthodontic patients?

<p>It is adhesive and tacky at room temperature (D)</p> Signup and view all the answers

Which of the following statements about utility wax is true?

<p>It comes in ropes and sheets of different colors (D)</p> Signup and view all the answers

Which of the following is NOT a use of utility wax?

<p>Waxing up to produce the desired contour of the denture after setting of teeth (C)</p> Signup and view all the answers

Which property of utility wax is NOT mentioned in the given text?

<p>It is available in liquid form (C)</p> Signup and view all the answers

Which statement about utility wax is correct?

<p>It is used for fitting artificial teeth on the sheet (D)</p> Signup and view all the answers

Flashcards

What's the primary use of utility wax in dentistry?

Temporarily securing soldered components during the soldering process.

What makes utility wax useful for temporary fixing?

It's soft and sticky when heated under a flame.

Why is utility wax's brittleness important for the operator?

It's prone to breaking with even minor twisting, due to its brittle nature.

Explain the difference between the melting point and melting range of dental waxes.

Dental waxes are a blend of different waxes, leading to a range of melting points, not just one specific point.

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How does wax's low thermal conductivity affect its dental use?

It impedes the uniform distribution of heat, making it difficult to consistently heat the entire material.

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What's the purpose of corrective impression wax?

To capture the fine details of soft tissues in edentulous patients during jaw movement.

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What's the primary function of utility wax in dental procedures?

It acts as a base for dentures, providing support and stability.

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Which utility wax is used directly in the mouth?

Inlay wax is used directly in the mouth.

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How does utility wax differ from other dental waxes?

Utility wax has the right consistency to capture intricate cavity details.

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What is the main purpose of using utility wax in the lost wax technique?

To create accurate replicas of the cavity shape in a wax model.

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Which utility wax produces dark blue or green sticks and pellets?

Inlay wax is identified by its dark blue or green sticks and pellets.

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Which property of utility wax makes it suitable for recording intricate cavity details?

Utility wax's ability to flow when softened allows it to capture intricate cavity details.

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Give an example of how utility wax is used.

It's used to improve the fit of an impression by adapting the edges to better seal around the mouth.

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How can utility wax be used with orthodontic patients?

Its tackiness and adhesiveness at room temperature allow it to temporarily attach to the brackets and wires.

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What is true about the appearance and forms of utility wax?

Utility wax is available in a variety of colors and forms.

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What is NOT a use of utility wax?

It's not used for shaping the contours of a denture after teeth are set in place.

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What property of utility wax is NOT mentioned in the text?

Utility wax is not mentioned as being available in liquid form in the given text.

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Which statement about utility wax is correct?

It's used for attaching artificial teeth to the wax base of dentures.

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