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Viva Question and Answers Related to Instruments Used in Conservative and Endodontics

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

  1. What is the purpose of a dental probe?
  • A dental probe is used to detect and assess the depth of dental caries or periodontal pockets.
  1. Explain the function of an explorer in conservative dentistry.
  • An explorer is used to detect tooth decay or calculus deposits on the tooth surface.
  1. What are the different types of dental mirrors, and how are they used?
  • Dental mirrors can be front surface or rhodium-coated. They are used to provide indirect vision and illumination of the oral cavity during examination and treatment.
  1. Describe the design and purpose of a dental excavator.
  • Dental excavators have sharp spoon-shaped ends designed to remove decayed dentin from cavities.
  1. How is a dental excavator different from a dental spoon excavator?
  1. What is the function of a dental spoon excavator?
  • A dental spoon excavator is used to remove large portions of carious dentin during cavity preparation.
  1. Explain the difference between a chisel and a hatchet in dentistry.
  • A chisel has a straight cutting edge, while a hatchet has a curved cutting edge. Both are used for cavity preparation.
  1. Describe the use of a gingival margin trimmer in conservative dentistry.
  • A gingival margin trimmer is used to trim and shape the gingival margins of a cavity preparation.
  1. How does a dental hatchet differ from a dental hoe?
  1. What is the function of a dental hoe? – A dental hoe is used for smoothing cavity walls and removing unsupported enamel.
  2. What are the different types of dental handpieces used in conservative dentistry? – High-speed handpieces and low-speed handpieces.
  3. Explain the purpose of a high-speed handpiece in conservative dentistry. – A high-speed handpiece is used for efficient cutting and preparation of tooth structure during cavity preparation.
  4. How does a low-speed handpiece differ from a high-speed handpiece? – A low-speed handpiece operates at a lower speed and is used for more precise procedures such as polishing, finishing, and root canal treatment.
  5. What is the function of a dental bur in cavity preparation? – A dental bur is used for cutting and shaping tooth structure during cavity preparation.
  6. Describe the design and function of a diamond bur. – A diamond bur has a diamond-coated tip and is used for cutting enamel, dentin, and other hard tissues with precision.
  7. How does a carbide bur differ from a diamond bur? – A carbide bur has a metal cutting surface, whereas a diamond bur has a diamond-coated cutting surface.
  8. Explain the use of a dental spoon excavator in endodontics. – In endodontics, a spoon excavator is used to remove soft and necrotic pulp tissue from the pulp chamber and root canals.
  9. What is the function of a barbed broach in endodontics? – A barbed broach is used to remove pulp tissue and debris from the root canal system. Viva Question and Answers Related to Oral Mucous Membrane
  10. Describe the design and purpose of a Gates-Glidden drill. – A Gates-Glidden drill is a tapered, cutting instrument used to enlarge and shape the coronal portion of the root canal.
  11. How is a Peeso reamer different from a Gates-Glidden drill? – A Peeso reamer has a spiral design and is used for more controlled and precise enlargement of the root canal.
  12. What is the function of a K-file in endodontics? – A K-file is used for cleaning and shaping the root canal system. It has a flexible design to navigate curved canals.
  13. Explain the purpose of a reamer in endodontics. – A reamer is used to remove dentin and shape the walls of the root canal.
  14. How does a H-file differ from a K-file? – H-files have a unique helical design and are used primarily for enlarging and finishing the apical portion of the root canal.
  15. Describe the design and function of a rotary file in endodontics. – Rotary files are motor-driven instruments used for efficient and precise cleaning and shaping of the root canal system.
  16. What is the purpose of a gutta-percha point in endodontics? – Gutta-percha points are used to fill and seal the root canal after cleaning and shaping. Viva Question and Answers in RCT
  17. Explain the function of a lentulo spiral in endodontics. – A lentulo spiral is used to carry and place root canal sealer or cement into the root canal system.
  18. How does a finger spreader differ from a lentulo spiral? – A finger spreader is a manual instrument used for lateral condensation of gutta-percha within the root canal.
  19. What is the function of a root canal plugger? – A root canal plugger is used to compact gutta-percha and ensure its proper placement within the root canal.
  20. Describe the use of a spreader in endodontics. – Spreaders are used to vertically condense gutta-percha within the root canal space.
  21. Explain the purpose of a sealer in endodontics. – Sealers are used to fill the voids and gaps between gutta-percha cones and root canal walls to prevent leakage and microbial ingress.
  22. How are endodontic files sterilized before use? – Endodontic files are typically sterilized using heat sterilization methods such as autoclaving. Viva Question and Answers Related to Relining Resin Denture Bases
  23. What precautions should be taken while handling endodontic files? – Endodontic files should be handled carefully to avoid deformation or breakage, and proper infection control protocols should be followed.
  24. Describe the importance of irrigation in endodontic treatment. – Irrigation helps in flushing out debris, disinfecting the root canal system, and facilitating the cleaning process during endodontic treatment.
  25. What types of irrigation solutions are commonly used in endodontics? – Sodium hypochlorite (NaOCl), ethylenediaminetetraacetic acid (EDTA), and chlorhexidine are commonly used irrigation solutions in endodontics.
  26. How does sodium hypochlorite aid in endodontic treatment? – Sodium hypochlorite has antimicrobial properties and dissolves organic tissue, aiding in the disinfection and cleaning of the root canal system.
  27. Explain the role of EDTA in endodontic treatment. – EDTA is a chelating agent used to remove the smear layer from the walls of the root canal, allowing for better penetration of irrigants and sealers. Viva Question and Answers Related to Resin Impression Trays and Tray materials!
  28. What is the purpose of a rubber dam in conservative dentistry? – A rubber dam is used to isolate the tooth being treated, providing a clean and dry field for dental procedures such as cavity preparation and restoration.
  29. How is a rubber dam placed, and why is it important? – A rubber dam is placed over the tooth, secured with clamps and ligatures. It prevents contamination of the operative field, improves visibility, and enhances patient comfort.
  30. Explain the use of a matrix band in conservative dentistry. – A matrix band is placed around a tooth to create a temporary wall during the placement of dental restorations, ensuring proper contour and contact points.
  31. Describe the function of a dental wedge. – Dental wedges are used to create space between adjacent teeth, providing better access for the placement of a matrix band during restoration procedures.
  32. What is the purpose of a dental spatula in conservative dentistry? – A dental spatula is used for mixing dental materials such as cements and restorative materials.
  33. How does a condenser differ from a plugger in conservative dentistry? – A condenser is used for packing restorative materials, while a plugger is used for compacting and adapting materials like amalgam.
  34. Explain the use of a burnisher in conservative dentistry. – A burnisher is used to smooth and polish dental restorations, ensuring a proper finish. Viva Question and Answers Related to Dental Instruments
  35. What are the key properties of an ideal dental amalgam carrier? – An ideal amalgam carrier should have a smooth and non-sticky surface, be easy to load, and dispense amalgam without clogging.
  36. How is a dental amalgam carrier cleaned and sterilized? – Dental amalgam carriers are cleaned by wiping off excess material, and they are sterilized using appropriate infection control measures.
  37. Describe the purpose of a dental bur block. – A dental bur block is used for organizing and sterilizing dental burs, ensuring easy access during procedures.
  38. What safety precautions should be taken when using rotary instruments? – Operators should wear appropriate personal protective equipment, and patients should be protected from debris and aerosols. Instruments should be properly sterilized.
  39. Explain the importance of proper maintenance and sterilization of dental instruments. – Proper maintenance and sterilization prevent cross-contamination, ensure instrument longevity, and contribute to the overall safety of dental procedures.
  40. How does the choice of dental materials impact conservative and endodontic treatments? – The choice of materials affects the success, longevity, and aesthetics of restorations. Different materials have specific indications and contraindications.
  41. What advancements have been made in recent years in conservative and endodontic instruments and techniques? – Advancements include the use of digital imaging, laser technology, and minimally invasive techniques, improving precision and patient outcomes in conservative and endodontic procedures. Viva Question and Answers Related to Instruments used in Oral Surgery

 

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