Dental MCQs

By: Prof. Dr. Fazal Rehman | Last updated: May 21, 2025

1. : Which dental specialty focuses on the alignment of teeth and jaws?
(A) Endodontics
(B) Orthodontics
(C) Periodontics
(D) Prosthodontics

2. : 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

3. : What is the common term for the inflammation of the gums?
(A) Gingivitis
(B) Halitosis
(C) Periodontitis
(D) Stomatitis

4. : Which dental instrument is used to measure the depth of periodontal pockets?
(A) Dental mirror
(B) Explorer
(C) Periodontal probe
(D) Ultrasonic scaler

5. : What is the purpose of a dental bridge?
(A) Prevent cavities
(B) Replace missing teeth
(C) Treat gum disease
(D) Whiten teeth

6. : What is the dental term for a cavity or hole in a tooth caused by decay?
(A) Plaque
(B) Abscess
(C) Caries
(D) Tartar

7. : Which dental specialty involves the surgical removal of teeth?
(A) Endodontics
(B) Oral and maxillofacial surgery
(C) Orthodontics
(D) Pedodontics

8. : 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

9. : What is the term for an artificial tooth root used in dental implant procedures?
(A) Abutment
(B) Crown
(C) Implant post
(D) Denture

10. : 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

11. : 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

12. : 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

13. : 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

14. : In dentistry, what is the term for the alignment of teeth and jaws?
(A) Malocclusion
(B) Periodontitis
(C) Orthodontics
(D) Bruxism

15. : What is the primary cause of dental caries (cavities)?
(A) Bacterial plaque
(B) Tartar buildup
(C) Genetic factors
(D) Excessive fluoride intake

16. : 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

17. : 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

18. : 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

19. : What is the term for an artificial tooth root used in dentistry to support dental prosthetics?
(A) Crown
(B) Denture
(C) Bridge
(D) Implant

20. : What is the dental term for the inflammation of the gum tissues surrounding a tooth?
(A) Gingivitis
(B) Periodontitis
(C) Bruxism
(D) Abscess

21. : 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

22. : Which dental specialty focuses on treating diseases of the gums and supporting structures?
(A) Orthodontics
(B) Endodontics
(C) Periodontics
(D) Prosthodontics

23. : What is the most common gas used for conscious sedation in dentistry?
(A) Nitrous oxide
(B) Oxygen
(C) Helium
(D) Carbon dioxide

24. : 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

25. : What is the purpose of dental prophylaxis?
(A) Teeth whitening
(B) Tooth extraction
(C) Preventive teeth cleaning
(D) Orthodontic treatment

26. : 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

27. : What is the dental term for grinding or clenching of teeth, often involuntarily?
(A) Plaque
(B) Bruxism
(C) Periodontitis
(D) Malocclusion

28. : 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

29. : Which dental specialty involves the replacement of missing teeth with artificial ones?
(A) Endodontics
(B) Orthodontics
(C) Prosthodontics
(D) Oral and maxillofacial surgery

30. : 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