Dental MCQs

  1. Question: Which dental specialty focuses on the alignment of teeth and jaws?
    • A) Endodontics
    • B) Orthodontics
    • C) Periodontics
    • D) Prosthodontics
    • Answer: B) Orthodontics
  2. Question: What is the purpose of a dental crown?
    • A) Teeth whitening
    • B) Replace missing teeth
    • C) Protect and strengthen a damaged tooth
    • D) Remove plaque
    • Answer: C) Protect and strengthen a damaged tooth
  3. Question: What is the common term for the inflammation of the gums?
    • A) Gingivitis
    • B) Halitosis
    • C) Periodontitis
    • D) Stomatitis
    • Answer: A) Gingivitis
  4. Question: Which dental instrument is used to measure the depth of periodontal pockets?
    • A) Dental mirror
    • B) Explorer
    • C) Periodontal probe
    • D) Ultrasonic scaler
    • Answer: C) Periodontal probe
  5. Question: What is the purpose of a dental bridge?
    • A) Prevent cavities
    • B) Replace missing teeth
    • C) Treat gum disease
    • D) Whiten teeth
    • Answer: B) Replace missing teeth
  6. Question: What is the dental term for a cavity or hole in a tooth caused by decay?
    • A) Plaque
    • B) Abscess
    • C) Caries
    • D) Tartar
    • Answer: C) Caries
  7. Question: Which dental specialty involves the surgical removal of teeth?
    • A) Endodontics
    • B) Oral and maxillofacial surgery
    • C) Orthodontics
    • D) Pedodontics
    • Answer: B) Oral and maxillofacial surgery
  8. Question: What is the purpose of a dental sealant?
    • A) Teeth whitening
    • B) Prevent cavities on molars and premolars
    • C) Treat gum disease
    • D) Correct misaligned teeth
    • Answer: B) Prevent cavities on molars and premolars
  9. Question: What is the term for an artificial tooth root used in dental implant procedures?
    • A) Abutment
    • B) Crown
    • C) Implant post
    • D) Denture
    • Answer: C) Implant post
  10. Question: In dentistry, what does the acronym ADA stand for?
    • A) American Dental Association
    • B) Advanced Dental Analysis
    • C) Accredited Dental Assistance
    • D) Association of Dental Assistants
    • Answer: A) American Dental Association
  11. Question: Which dental specialty deals with the diagnosis and treatment of diseases affecting the pulp and roots of teeth?
    • A) Orthodontics
    • B) Endodontics
    • C) Periodontics
    • D) Prosthodontics
    • Answer: B) Endodontics
  12. Question: What is the term for the artificial replacement of all teeth in one or both dental arches?
    • A) Denture
    • B) Bridge
    • C) Crown
    • D) Implant
    • Answer: A) Denture
  13. Question: What is the purpose of a dental sealant?
    • A) Teeth whitening
    • B) Prevent decay on the biting surfaces of molars
    • C) Improve tooth alignment
    • D) Treat gum disease
    • Answer: B) Prevent decay on the biting surfaces of molars
  14. Question: In dentistry, what is the term for the alignment of teeth and jaws?
    • A) Malocclusion
    • B) Periodontitis
    • C) Orthodontics
    • D) Bruxism
    • Answer: C) Orthodontics
  15. Question: What is the primary cause of dental caries (cavities)?
    • A) Bacterial plaque
    • B) Tartar buildup
    • C) Genetic factors
    • D) Excessive fluoride intake
    • Answer: A) Bacterial plaque
  16. Question: What dental procedure involves the removal of a tooth from its socket in the jawbone?
    • A) Root canal therapy
    • B) Dental implantation
    • C) Extraction
    • D) Scaling
    • Answer: C) Extraction
  17. Question: What is the purpose of a dental crown?
    • A) Replace missing teeth
    • B) Whiten discolored teeth
    • C) Restore and protect a damaged tooth
    • D) Correct misalignment
    • Answer: C) Restore and protect a damaged tooth
  18. Question: Which dental specialty focuses on treating malformations and disorders of the jaw and face?
    • A) Orthodontics
    • B) Periodontics
    • C) Prosthodontics
    • D) Oral and maxillofacial surgery
    • Answer: D) Oral and maxillofacial surgery
  19. Question: What is the term for an artificial tooth root used in dentistry to support dental prosthetics?
    • A) Crown
    • B) Denture
    • C) Bridge
    • D) Implant
    • Answer: D) Implant
  20. Question: What is the dental term for the inflammation of the gum tissues surrounding a tooth?
    • A) Gingivitis
    • B) Periodontitis
    • C) Bruxism
    • D) Abscess
    • Answer: A) Gingivitis
  21. Question: What is the primary function of the enamel in teeth?
    • A) Provide support
    • B) Assist in chewing
    • C) Protect against decay
    • D) Aid in speech
    • Answer: C) Protect against decay
  22. Question: Which dental specialty focuses on treating diseases of the gums and supporting structures?
    • A) Orthodontics
    • B) Endodontics
    • C) Periodontics
    • D) Prosthodontics
    • Answer: C) Periodontics
  23. Question: What is the most common gas used for conscious sedation in dentistry?
    • A) Nitrous oxide
    • B) Oxygen
    • C) Helium
    • D) Carbon dioxide
    • Answer: A) Nitrous oxide
  24. Question: Which dental procedure involves the removal of the dental pulp and nerve from a tooth?
    • A) Scaling
    • B) Root canal therapy
    • C) Crown placement
    • D) Dental extraction
    • Answer: B) Root canal therapy
  25. Question: What is the purpose of dental prophylaxis?
    • A) Teeth whitening
    • B) Tooth extraction
    • C) Preventive teeth cleaning
    • D) Orthodontic treatment
    • Answer: C) Preventive teeth cleaning
  26. Question: Which dental imaging technique uses X-rays to capture detailed images of teeth and surrounding structures?
    • A) CT scan
    • B) MRI
    • C) Panoramic radiography
    • D) Ultrasonography
    • Answer: C) Panoramic radiography
  27. Question: What is the dental term for grinding or clenching of teeth, often involuntarily?
    • A) Plaque
    • B) Bruxism
    • C) Periodontitis
    • D) Malocclusion
    • Answer: B) Bruxism
  28. Question: What is the role of a dental hygienist in a dental clinic?
    • A) Perform dental surgeries
    • B) Administer anesthesia
    • C) Provide preventive dental care and cleanings
    • D) Interpret dental X-rays
    • Answer: C) Provide preventive dental care and cleanings
  29. Question: Which dental specialty involves the replacement of missing teeth with artificial ones?
    • A) Endodontics
    • B) Orthodontics
    • C) Prosthodontics
    • D) Oral and maxillofacial surgery
    • Answer: C) Prosthodontics
  30. Question: What is the purpose of fluoride in dentistry?
    • A) Teeth whitening
    • B) Strengthen tooth enamel and prevent decay
    • C) Reduce gum inflammation
    • D) Assist in orthodontic treatments
    • Answer: B) Strengthen tooth enamel and prevent decay