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Viva Question and Answers Related to Dental Instruments

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

  1. Question: What is the purpose of a mouth mirror in dentistry? Answer: A mouth mirror is used to provide indirect vision and reflect light into the oral cavity, allowing the dentist to visualize areas that are difficult to see directly.
  2. Question: Explain the function of a probe in dentistry. Answer: A probe is used to detect and measure the depth of periodontal pockets, assess the health of the gums, and locate any irregularities on the tooth surface.
  3. Question: What is the role of dental explorers? Answer: Dental explorers are used to detect dental caries or cavities by feeling the tooth surface for any irregularities or soft spots.
  4. Question: How does an amalgam condenser function? Answer: An amalgam condenser is used to pack and condense dental amalgam during the restoration process, ensuring proper adaptation and elimination of voids.
  5. Question: What are dental excavators used for? Answer: Dental excavators are instruments designed for the removal of carious dentin during cavity preparation. Viva question and answers related to different types of Dental burs
  6. Question: Explain the purpose of a saliva ejector in dentistry. Answer: A saliva ejector is used to remove excess saliva and fluids from the patient’s mouth during dental procedures, keeping the area dry.
  7. Question: What is the significance of a dental syringe? Answer: A dental syringe is used for the administration of local anesthesia to numb specific areas of the oral cavity before dental procedures.
  8. Question: How does a dental handpiece differ from a dental drill? Answer: A dental handpiece is the general term for a dental drill, which is a rotary instrument used for cutting, polishing, and shaping teeth.
  9. Question: Explain the function of a periodontal probe. Answer: A periodontal probe is used to measure the depth of the gingival sulcus or periodontal pockets, aiding in the assessment of periodontal health.
  10. Question: What is the purpose of a rubber dam in dentistry? Answer: A rubber dam is used to isolate the tooth or teeth being worked on, providing a dry field and preventing contamination from saliva.
  11. Question: How does a dental curing light work? Answer: A dental curing light is used to polymerize or harden dental materials like composite resin by emitting a specific wavelength of light.
  12. Question: What is the function of a dental matrix band? Answer: A dental matrix band is used to create a temporary wall for the placement of restorative materials during dental procedures.
  13. Question: Explain the role of a dental scaler. Answer: A dental scaler is used to remove calculus or tartar from the tooth surface, particularly in areas that are hard to reach with a toothbrush.
  14. Question: What are dental elevators used for? Answer: Dental elevators are instruments designed to loosen and lift teeth from the socket before extraction. Viva Question and Answers Related to Cement Bases in Dentistry
  15. Question: How does an apex locator assist in endodontic procedures? Answer: An apex locator helps determine the length of the root canal during endodontic treatment by measuring the position of the root apex.
  16. Question: What is the purpose of a dental carver? Answer: A dental carver is used to shape and carve dental restorations, especially in procedures involving dental amalgam.
  17. Question: How do dental burs differ from diamonds in restorative dentistry? Answer: Dental burs are rotary cutting instruments made of metal, while diamond burs have abrasive diamond particles for cutting and shaping restorative materials.
  18. Question: What is the function of a saliva substitute in dentistry? Answer: A saliva substitute is used to alleviate dry mouth conditions and maintain oral moisture when natural saliva production is reduced.
  19. Question: Explain the use of a dental hemostat. Answer: A dental hemostat is used to control bleeding by clamping blood vessels or tissue during dental procedures.
  20. Question: How does a dental suction unit contribute to a dental procedure? Answer: A dental suction unit is used to remove excess fluids, debris, and saliva from the patient’s mouth, ensuring a clear field of vision for the dentist.
  21. Question: What is the function of a dental amalgamator? Answer: A dental amalgamator is a device used to mix and blend dental amalgam alloy with mercury to create a homogeneous mixture for restorative procedures.
  22. Question: Explain the purpose of a dental retractor. Answer: A dental retractor is used to hold back lips, cheeks, and tongue, providing better access and visibility during dental procedures.
  23. Question: What is the function of a dental torque wrench? Answer: A dental torque wrench is used to apply a specific amount of torque or force when tightening dental implant components to ensure proper stability.
  24. Question: How does a dental articulator aid in prosthodontics? Answer: A dental articulator simulates the movement of the temporomandibular joint, allowing for the accurate fabrication and adjustment of dental prosthetics.
  25. Question: Explain the purpose of a dental ultrasonic scaler. Answer: A dental ultrasonic scaler uses high-frequency vibrations to remove calculus, plaque, and stains from the tooth surface during dental cleanings.
  26. Question: What are the types of dental mirrors, and how do they differ? Answer: Dental mirrors can be plane or concave. Plane mirrors provide a direct reflection, while concave mirrors provide a magnified view of the oral cavity.
  27. Question: How does a dental articulating paper assist in occlusal adjustments? Answer: Dental articulating paper marks the points of contact between teeth, aiding in adjusting the bite or occlusion during restorative procedures.
  28. Question: Explain the function of a dental bur block. Answer: A dental bur block is used to organize and store various dental burs, ensuring easy access and preventing damage or contamination.
  29. Question: What is the significance of a dental amalgam carrier? Answer: A dental amalgam carrier is used to transport and dispense amalgam alloy into the prepared tooth cavity during restorative procedures.
  30. Question: How does a dental shade guide assist in restorative dentistry? Answer: A dental shade guide is used to match the color of dental restorative materials with the natural color of the patient’s teeth for aesthetic purposes.
  31. Question: Explain the purpose of a dental crown remover. Answer: A dental crown remover is used to safely and efficiently remove dental crowns, bridges, or other fixed prosthetic restorations.
  32. Question: What is the function of a dental syringe needle? Answer: A dental syringe needle is used to deliver local anesthetics by penetrating the oral tissues, ensuring precise administration. Viva Question and Answers Related to the class 1 Dental Cavities
  33. Question: How does a dental amalgam condenser differ from a burnisher? Answer: While both are used in restorative dentistry, an amalgam condenser is used for packing and condensing amalgam, while a burnisher is used for smoothing and polishing restorations.
  34. Question: Explain the role of a dental crown and bridge scissors. Answer: Dental crown and bridge scissors are used to trim and shape crowns, bridges, or other prosthetic restorations to achieve proper fit and contour.
  35. Question: What is the purpose of a dental crown prep kit? Answer: A dental crown prep kit typically contains various burs and instruments needed for tooth preparation before the placement of a dental crown.
  36. Question: How does a dental air-water syringe contribute to dental procedures? Answer: A dental air-water syringe is used to deliver a controlled stream of air or water to dry or irrigate the oral cavity during dental treatments.
  37. Question: What is the function of a dental matrix retainer? Answer: A dental matrix retainer holds the matrix band in place during restorative procedures, providing support for the placement of dental materials.
  38. Question: How does a dental crown margin trimmer work? Answer: A dental crown margin trimmer is used to refine and shape the margins of dental crowns or restorations for optimal fit and aesthetics.
  39. Question: Explain the purpose of a dental explorer probe. Answer: A dental explorer probe is used to detect cavities, calculus, or irregularities on the tooth surface by tactile examination.
  40. Question: What is the role of a dental X-ray film holder? Answer: A dental X-ray film holder positions and stabilizes X-ray films in the patient’s mouth during radiographic examinations. Viva Question and Answers Related to Relining Resin Denture Bases
  41. Question: How does a dental amalgamator contribute to the mixing of dental materials? Answer: A dental amalgamator automates the process of mixing dental amalgam alloy with mercury, ensuring a consistent and homogeneous mixture.
  42. Question: What is the function of a dental crown cement spatula? Answer: A dental crown cement spatula is used to mix and apply dental cement for the placement of crowns, bridges, or other prosthetic restorations.
  43. Question: Explain the significance of a dental articulating forceps. Answer: Dental articulating forceps are used to grasp and manipulate dental articulating paper, aiding in the assessment of occlusal contacts.
  44. Question: What are the different types of dental forceps, and how are they used? Answer: Dental forceps come in various shapes and sizes for extracting different teeth. They are used to grasp and remove teeth from the alveolar socket during extractions.
  45. Question: How does a dental crown margin trimmer differ from a finishing bur? Answer: While both are used for shaping dental crowns, a crown margin trimmer is specifically designed for refining the margins, while a finishing bur is more versatile for shaping various restorations.
  46. Question: What is the function of a dental torque wrench in implant dentistry? Answer: A dental torque wrench is used to apply a specific amount of torque when tightening screws or abutments in implant dentistry to ensure proper stability.
  47. Question: How does a dental crown seating instrument work? Answer: A dental crown seating instrument is used to ensure proper placement and seating of crowns, bridges, or other fixed prosthetic restorations on the prepared tooth.
  48. Question: Explain the use of a dental crown remover plier. Answer: A dental crown remover plier is used to grasp and remove dental crowns or other fixed restorations without damaging the surrounding structures.
  49. Question: What is the purpose of a dental articulating paper holder? Answer: A dental articulating paper holder is used to secure and position dental articulating paper, facilitating the assessment of occlusal contacts during restorative procedures.
  50. Question: How does a dental impression tray contribute to the process of making dental impressions? Answer: A dental impression tray holds the impression material in place, allowing for the accurate reproduction of the patient’s teeth and surrounding tissues for various dental procedures. Viva Question and Answers Related to Resin Impression Trays and Tray materials!

 

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