CDA GC Domain 3: Chairside Dentistry Welcome to your CDA GC Domain 3: Chairside Dentistry 1. CDA GC: Chairside Dentistry When preparing a tooth for a composite restoration, why is it important to maintain a dry field? A. To enhance the bonding strength of the composite material B. To prevent the patient from feeling discomfort C. To improve the visibility for the dentist D. To speed up the curing process of the composite None 2. CDA GC: Chairside Dentistry During a root canal treatment, what is the purpose of using gutta-percha? A. To clean the root canal B. To fill the root canal after cleaning and shaping C. To numb the tooth D. To seal the tooth's surface before restoration None 3. CDA GC: Chairside Dentistry What is the primary reason for using a rubber dam during endodontic procedures? A. To prevent the patient from closing their mouth B. To isolate the tooth and maintain a sterile field C. To reduce the amount of radiation exposure D. To enhance patient comfort None 4. CDA GC: Chairside Dentistry Why is it important to use a high-speed handpiece with water spray when preparing a tooth for a crown? A. To prevent the tooth from overheating B. To increase the speed of tooth preparation C. To enhance the visibility for the dentist D. To minimize the noise during the procedure None 5. CDA GC: Chairside Dentistry In the context of dental impressions, what is the primary purpose of a tray adhesive? A. To reduce the setting time of the impression material B. To enhance the taste of the impression material C. To ensure the impression material remains attached to the tray D. To alter the viscosity of the impression material None 6. CDA GC: Chairside Dentistry What is the significance of the occlusal registration in prosthodontic treatment? A. To determine the color of the prosthetic teeth B. To record the patient's bite and jaw alignment C. To measure the patient's saliva pH D. To assess the patient's oral hygiene status None 7. CDA GC: Chairside Dentistry Why is it necessary to use a protective barrier on the dental light handle? A. To improve the light's brightness B. To prevent cross-contamination C. To enhance the dentist's grip on the handle D. To reduce glare for the patient None 8. CDA GC: Chairside Dentistry What is the primary purpose of a dental matrix band during a restorative procedure? A. To whiten the tooth B. To provide a temporary crown C. To shape and support the dental restoration D. To measure the depth of the cavity None 9. CDA GC: Chairside Dentistry During a fluoride treatment procedure, why is it important to avoid eating or drinking for 30 minutes post-application? A. To enhance the taste of the fluoride B. To allow the fluoride to be fully absorbed by the tooth enamel C. To prevent the patient from feeling nauseous D. To allow time for the fluoride to harden None 10. CDA GC: Chairside Dentistry What is the main reason for using an articulator in dental laboratory procedures? A. To clean dental prostheses B. To simulate the patient's jaw movement C. To sterilize dental instruments D. To measure the force of the bite None 11. CDA GC: Chairside Dentistry Why is it essential to verify the working length during a root canal procedure? A. To ensure the dental drill is sharp enough B. To determine the depth of the filling material C. To ensure the entire length of the canal is cleaned and filled D. To measure the patient's pain threshold None 12. CDA GC: Chairside Dentistry What is the primary purpose of using a dental bur during tooth preparation? A. To polish the tooth surface B. To remove decayed tooth material C. To inject anesthesia D. To apply fluoride to the tooth None 13. CDA GC: Chairside Dentistry In dental terminology, what does the term 'pontic' refer to? A. The end of a dental implant B. The artificial tooth in a bridge C. A type of dental adhesive D. The base of a dental crown None 14. CDA GC: Chairside Dentistry When a dentist is using a retraction cord, what is the primary goal? A. To numb the area around the tooth B. To push the gingival tissue away from the tooth C. To stop bleeding D. To clean the tooth surface None 15. CDA GC: Chairside Dentistry Why is it crucial to accurately mix dental cements? A. To ensure the correct color match with the tooth B. To prevent allergic reactions C. To ensure optimal chemical properties for bonding and setting D. To increase the shelf life of the material None 16. CDA GC: Chairside Dentistry What is the primary purpose of using an endodontic file during a root canal treatment? A. To polish the surface of the tooth B. To extract the tooth C. To shape and clean the root canals D. To inject medication into the root canal None 17. CDA GC: Chairside Dentistry In what scenario is a dental dam not recommended to be used? A. During amalgam restorations B. When the patient has a latex allergy and a non-latex dam is not available C. During composite restorations D. During sealant application None 18. CDA GC: Chairside Dentistry Why is a bite block used during dental procedures? A. To help the patient bite more strongly B. To keep the patient's mouth open comfortably C. To align the patient's teeth D. To measure the pressure of the bite None 19. CDA GC: Chairside Dentistry What is the main reason for using a saliva ejector during dental procedures? A. To deliver fluoride treatments B. To suction out saliva and keep the working area dry C. To administer anesthetic D. To measure saliva production None 20. CDA GC: Chairside Dentistry What is the purpose of using an interdental brush in dental hygiene? A. To apply medication between teeth B. To detect cavities between teeth C. To remove plaque and debris from between teeth D. To whiten the areas between teeth None 21. CDA GC: Chairside Dentistry What is the primary reason for using a dental loupe during a restorative procedure? A. To enhance the dentist's vision for precision B. To protect the dentist's eyes from debris C. To provide proper lighting on the tooth D. To magnify the patient's entire mouth None 22. CDA GC: Chairside Dentistry Why is it essential to use a cold test during a pulp vitality assessment? A. To determine the response of the pulp to temperature changes B. To reduce inflammation in the tooth C. To numb the area for further examination D. To prepare the tooth for a filling None 23. CDA GC: Chairside Dentistry What is the primary benefit of using an ultrasonic scaler during periodontal therapy? A. To enhance the bonding of restorative materials B. To remove calculus and plaque efficiently C. To whiten teeth D. To apply medicaments to gum pockets None 24. CDA GC: Chairside Dentistry In dental radiography, what is the main reason for using a rectangular collimation? A. To increase the exposure time B. To reduce radiation exposure to the patient C. To enhance the image contrast D. To capture a wider area of the mouth None 25. CDA GC: Chairside Dentistry Why is it crucial to establish a proper occlusal contact when placing a dental restoration? A. To ensure patient comfort while chewing B. To increase the restoration's longevity C. To prevent tooth migration D. All of the above None 26. CDA GC: Chairside Dentistry What is the significance of using a color-coding system for dental instruments? A. To indicate the instrument's manufacturer B. To facilitate sterilization C. To organize and identify instruments quickly D. To show the instrument's expiration date None 27. CDA GC: Chairside Dentistry Why is it important to control the curing light's exposure time when setting a composite restoration? A. To ensure the restoration hardens adequately B. To prevent damage to the surrounding tooth structure C. To maintain the composite's color stability D. All of the above None 28. CDA GC: Chairside Dentistry In endodontics, what is the purpose of using a post and core in a tooth? A. To improve the aesthetic appearance of the tooth B. To provide structural support for the dental crown C. To seal the root canal from bacterial infiltration D. To whiten the tooth None 29. CDA GC: Chairside Dentistry What is the rationale behind using a dental handpiece with an LED light? A. To disinfect the treatment area B. To improve visibility in the oral cavity C. To accelerate the hardening of restorative materials D. To measure the depth of cavities None 30. CDA GC: Chairside Dentistry Why is it important to perform a shade matching procedure in natural daylight or with a color-correcting light? A. To ensure the restorative material matches the patient's natural tooth color under various lighting conditions B. To speed up the setting time of color-based dental materials C. To reduce the patient's waiting time D. To improve the patient's perception of color None 31. CDA GC: Chairside Dentistry In the context of dental anesthesia, what is the main reason for aspirating before injecting anesthetic? A. To test the sharpness of the needle B. To ensure the anesthetic is not injected into a blood vessel C. To reduce the amount of anesthetic used D. To numb the area more quickly None 32. CDA GC: Chairside Dentistry What is the purpose of a bite-wing radiograph in dentistry? A. To identify tooth alignment issues B. To detect interproximal caries C. To evaluate the extent of periodontal disease D. To plan orthodontic treatment None 33. CDA GC: Chairside Dentistry Why is it necessary to use a protective shield or apron during dental X-ray procedures? A. To improve the quality of the X-ray image B. To protect the patient from unnecessary radiation exposure C. To keep the patient warm D. To reduce the risk of infection None 34. CDA GC: Chairside Dentistry What is the primary reason for using a gingival retraction paste during crown preparation? A. To clean the tooth surface B. To whiten the gingiva C. To control bleeding and facilitate impression taking D. To reduce gingival inflammation None 35. CDA GC: Chairside Dentistry What is the main reason for applying a cavity liner under a dental restoration? A. To improve the aesthetic appearance of the restoration B. To provide thermal insulation and protect the pulp C. To enhance the bonding between the tooth and the restoration D. To increase the hardness of the restoration None 36. CDA GC: Chairside Dentistry Why is it important to ensure that the water used in dental unit waterlines is microbiologically safe? A. To prevent waterline clogging B. To enhance the taste of the water C. To prevent the transmission of waterborne pathogens to patients D. To increase the lifespan of dental instruments None 37. CDA GC: Chairside Dentistry What is the significance of using a custom-made mouthguard in sports dentistry? A. To enhance athletic performance B. To protect teeth and soft tissues from injury C. To improve breathing during intense activity D. To align the jaw and teeth properly None 38. CDA GC: Chairside Dentistry In the context of dental bonding procedures, why is acid etching applied to the tooth surface? A. To clean the tooth surface B. To create a rough surface for better adhesion C. To whiten the tooth D. To strengthen the tooth enamel None 39. CDA GC: Chairside Dentistry Why is it crucial to maintain a proper vertical dimension of occlusion in denture fabrication? A. To ensure correct speech articulation B. To prevent temporomandibular joint disorders C. To ensure proper mastication D. All of the above None 40. CDA GC: Chairside Dentistry Why is interproximal reduction performed in orthodontic treatment? A. To relieve dental crowding without extracting teeth B. To increase the speed of tooth movement C. To reduce the size of the teeth for aesthetic purposes D. To enhance the effectiveness of dental anesthesia None 41. CDA GC: Chairside Dentistry In dental terminology, what does 'ferule effect' refer to? A. A type of dental filling material B. The way a crown encases a tooth to provide structural support C. The effect of fluoride on enamel strengthening D. The visual effect created by tooth-colored restorations None 42. CDA GC: Chairside Dentistry Why is a surgical stent used in implant dentistry? A. To guide the precise placement of dental implants B. To reduce post-surgical swelling C. To accelerate the healing process D. To measure the depth of the implant site None 43. CDA GC: Chairside Dentistry What is the purpose of a 'night guard' in dental treatment? A. To prevent teeth grinding during sleep B. To keep the mouth open during sleep for better breathing C. To whiten teeth overnight D. To apply topical medication to the gums None 44. CDA GC: Chairside Dentistry What is the significance of using a 'bonding agent' in composite restorations? A. To clean the tooth surface before restoration B. To connect the composite material to the tooth structure C. To whiten the composite material D. To speed up the setting time of the composite None 45. CDA GC: Chairside Dentistry Why is it essential to achieve proper isolation during an endodontic procedure? A. To ensure patient comfort B. To prevent contamination of the root canal system C. To speed up the treatment process D. To reduce the need for anesthesia None 46. CDA GC: Chairside Dentistry What is the role of a 'scaler' in dental hygiene? A. To apply fluoride treatments B. To remove plaque and tartar from teeth C. To measure gum pocket depths D. To polish teeth None 47. CDA GC: Chairside Dentistry In dental practice, what is the main purpose of using a disclosing solution? A. To sterilize dental instruments B. To identify areas of plaque accumulation on teeth C. To enhance the bonding of dental materials D. To numb the treatment area None 48. CDA GC: Chairside Dentistry What is the rationale behind the use of a glass ionomer as a dental restorative material? A. It has an aesthetic appeal that mimics natural tooth color. B. It releases fluoride, which can help remineralize the tooth. C. It is less expensive than composite resins. D. It is easier to manipulate than amalgam. None 49. CDA GC: Chairside Dentistry Why is it important to accurately record the centric relation in prosthodontics? A. To ensure the proper fit of dentures B. To choose the correct color for dental prostheses C. To determine the patient's dental insurance coverage D. To prescribe the appropriate dental hygiene regimen None 50. CDA GC: Chairside Dentistry What is the main advantage of using a cone beam computed tomography (CBCT) in implantology? A. It provides a 3D view of the dental structures. B. It is less expensive than traditional radiographs. C. It is faster to perform than a panoramic radiograph. D. It requires no patient preparation. 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