You are here: Home » Dental Care » Viva Question and Answers Related to Instruments used in Prosthodontics

Viva Question and Answers Related to Instruments used in Prosthodontics

Here are 50 viva questions and answers related to instruments used in prosthodontics:

  1. What is the purpose of a dental articulator in prosthodontics?
  • The dental articulator simulates the movements of the mandible and helps in mounting casts for accurate representation of the patient’s occlusion.
  1. Explain the function of a face-bow in prosthodontics.
  • A face-bow is used to record the spatial relationship of the maxillary arch to the temporomandibular joint, aiding in accurate mounting of casts on an articulator.
  1. What is a surveyor in prosthodontics, and how is it used?
  1. Define a crown and bridge scissors.
  • Crown and bridge scissors are used for cutting and contouring crown and bridge materials, such as metal or acrylic.
  1. How is a crown remover utilized in prosthodontics?
  • A crown remover is used to remove crowns by engaging the cervical portion of the crown and applying controlled force for dislodgment.
  1. Explain the purpose of a dental lathe in prosthodontics.
  • A dental lathe is used for polishing and finishing dental prostheses, such as crowns and bridges, by rotating abrasive wheels.
  1. What is the significance of a shade guide in prosthodontics?
  • A shade guide helps in selecting the appropriate color for dental restorations, ensuring they match the natural teeth of the patient.
  1. Define a gingival retraction cord and its use in prosthodontics.
  • Gingival retraction cords are used to displace gingival tissues, creating space for impression materials to capture accurate details for crown and bridge preparations.
  1. How does a face shield contribute to infection control in prosthodontic procedures?
  1. What is the purpose of a dental survey mirror? – A dental survey mirror is used to visualize and assess the prepared tooth surfaces during crown and bridge procedures.
  2. Explain the function of a dental articulating paper. – Dental articulating paper is used to mark the occlusal contacts between teeth, helping in adjusting the occlusion of prosthetic restorations.
  3. Describe the use of a rubber dam in prosthodontics. – A rubber dam is used to isolate and protect the operating field during dental procedures, preventing contamination and enhancing visibility.
  4. What is a crown and bridge wax, and how is it used? – Crown and bridge wax is a modeling material used for fabricating wax patterns of crowns and bridges, allowing for the evaluation of shape and contour.
  5. Explain the role of a dental surveyor in removable partial denture fabrication. – A dental surveyor aids in designing removable partial dentures by analyzing the contour and undercuts of abutment teeth for proper placement of clasps.
  6. Define a dental crown burnisher and its application. – A crown burnisher is a tool used to smooth and shape the margins of dental crowns and bridges for a precise fit.
  7. How is a face-bow transfer accomplished in prosthodontics? – A face-bow transfer involves recording the spatial relationship of the maxillary arch to the temporomandibular joint, typically using a face-bow device.
  8. What are interchangeable silicone tips used for in prosthodontics? – Interchangeable silicone tips are used with impression trays to create a soft and comfortable border for patients during impression procedures.
  9. Explain the purpose of a dental crown remover gun. – A crown remover gun is a device used to deliver controlled mechanical force for the removal of dental crowns.
  10. Define a dental carver and its role in prosthodontics. – A dental carver is a tool used for shaping and contouring dental materials, such as wax or acrylic, during crown and bridge fabrication.
  11. How does a dental surveyor aid in path of insertion analysis? – A dental surveyor assists in analyzing the path of insertion by evaluating the relationship between the denture and the undercuts of abutment teeth.
  12. Describe the function of a dental rubber bowl in prosthodontics. – A dental rubber bowl is used for mixing dental materials, such as impression compounds and gypsum products. Viva Question and Answers Related to the class 1 Dental Cavities
  13. Explain the use of a dental implant torque wrench. – A dental implant torque wrench is used to apply controlled torque when tightening the abutment or prosthetic components onto dental implants.
  14. What is a dental crown and bridge gauge, and how is it employed? – A crown and bridge gauge is used for measuring and verifying the dimensions of dental crowns and bridges during the fabrication process.
  15. Define a dental milling machine and its application in prosthodontics. – A dental milling machine is used to fabricate dental restorations by precisely cutting or milling materials such as ceramics, metals, or composites.
  16. Explain the role of a dental articulating forceps. – Dental articulating forceps are used for securely holding and articulating casts on an articulator, ensuring accurate representation of the patient’s occlusion.
  17. What is the purpose of a dental laboratory vibrator in prosthodontics? – A dental laboratory vibrator is used to eliminate air bubbles from poured dental stone or plaster, ensuring a dense and accurate cast.
  18. Describe the use of a dental surveyor caliper. – A dental surveyor caliper is used for measuring and transferring the relative positions of surveyed features on the cast to the surveyor. Viva Question and Answers Related to Dental Instruments
  19. How is a dental crown and bridge remover plier employed? – A crown and bridge remover plier is used for gripping and removing temporary crowns or bridges without damaging the underlying tooth structure.
  20. Explain the purpose of a dental crown and bridge scissors. – Crown and bridge scissors are used for cutting and shaping materials such as metal or acrylic during crown and bridge fabrication.
  21. What are sprue pins, and how are they used in prosthodontics? – Sprue pins are used to create a channel for molten metal to flow into the mold during the casting process of metal frameworks for dental prostheses.
  22. Define a dental matrix band and its role in prosthodontics. – A dental matrix band is used for creating a temporary wall to hold restorative materials while shaping and contouring dental restorations.
  23. How does a dental surveyor evaluate the path of withdrawal for removable partial dentures? – A dental surveyor evaluates the path of withdrawal by assessing the undercuts and guiding the proper insertion and removal of removable partial dentures.
  24. Explain the function of a dental porcelain oven in prosthodontics. – A dental porcelain oven is used for firing ceramic materials, allowing for the creation of durable and aesthetically pleasing dental restorations.
  25. What is a dental gypsum vibrator, and why is it used in prosthodontics? – A dental gypsum vibrator is used to eliminate air bubbles from poured gypsum materials, ensuring the creation of accurate and void-free casts.
  26. Define a dental occlusion rim and its purpose in prosthodontics. – A dental occlusion rim is a temporary structure used to record the vertical and horizontal dimensions of occlusion for the fabrication of complete dentures.
  27. Explain the use of a dental soldering torch in prosthodontics. – A dental soldering torch is used for joining or repairing metal components of dental prostheses through the application of heat and solder. Viva Question and Answers Related to Instruments used in Oral Surgery
  28. What is a dental surveyor parallelometer, and how is it utilized? – A dental surveyor parallelometer is used to maintain parallelism between the denture components during the fabrication of removable partial dentures.
  29. Describe the function of a dental articulator face-bow fork. – The face-bow fork is used to attach the face-bow to the upper member of an articulator, ensuring accurate transfer of the maxillary cast to the articulator.
  30. How does a dental shade matching guide assist in prosthodontics? – A shade matching guide is used to help select the appropriate color or shade for dental restorations, ensuring a natural and aesthetic appearance.
  31. Define a dental crown and bridge anvil, and its application. – A crown and bridge anvil is a tool used for supporting and stabilizing dental restorations during the contouring and shaping process.
  32. Explain the purpose of a dental casting machine in prosthodontics. – A dental casting machine is used for casting metal frameworks, such as those for partial dentures, through the process of centrifugal or pressure casting.
  33. Describe the function of a dental surveyor dial indicator. – A dental surveyor dial indicator is used to measure and record the relative positions of surveyed features on the cast during removable partial denture fabrication.
  34. What is a dental rubber dam clamp, and why is it used? – A rubber dam clamp is used to secure the rubber dam around the tooth during dental procedures, providing isolation and moisture control. Viva Question and Answers Related to Instruments Used in Conservative and Endodontics
  35. How is a dental vacuum mixer utilized in prosthodontics? – A dental vacuum mixer is used for thorough and consistent mixing of dental impression materials to ensure accurate and bubble-free impressions.
  36. Explain the use of a dental surveyor undercut gauge. – A dental surveyor undercut gauge is used to measure and assess the depth and location of undercuts on abutment teeth during removable partial denture planning.
  37. Define a dental articulator mount and its role in prosthodontics. – A dental articulator mount is used for securing the articulator to the dental bench, providing stability during the mounting process.
  38. How does a dental crown and bridge burnout oven contribute to prosthodontics? – A crown and bridge burnout oven is used for removing wax patterns from invested molds, leaving behind cavities for casting metal restorations.
  39. What is a dental hinge articulator, and how is it different from a non-hinge articulator? – A hinge articulator simulates the movement of the mandible using a hinge mechanism, providing a more accurate representation of jaw movements compared to non-hinge articulators. Viva Question and Answers Related to Instruments used in Pedodontics.
  40. Explain the role of a dental condensation silicone in prosthodontics. – Dental condensation silicone is used as an impression material to capture accurate details of the oral structures for crown and bridge preparations.
  41. Define a dental impression tray and its types in prosthodontics. – A dental impression tray is used to hold impression material and capture an accurate replica of the patient’s dental arch. Types include stock, custom, and perforated trays for various applications.

These questions cover a range of instruments and tools used in prosthodontics, providing a comprehensive overview of the field.

 

Leave a Reply