6. A sickle probe, transillumination and dyes are used to detect which of the following?
Pericoronitis
Periodontal disease
Carious lesions
Ptyalism
7. A bacterial disease of the mineralised tissues of the tooth is called?
Oral carcinoma
Caries
Gingivitis
Periodontal disease
8. What concentration of phosphoric acid is contained in acid etch?
50%
33%
45%
66%
9. Plaque formation can be caused by iatrogenic factors. What is an iatrogenic factor?
Sub gingival calculus not being effectively removed
Food debris build up
Filling with an overhanging edge at the cervical margin
Poor tooth brushing
10. In which condition would true periodontal pockets be present?
Chronic gingivitis
Chronic periodontitis
Chronic abscess
Osseointegration
11. Fluoride is recommended to patients to reduce the occurrence of caries as it helps strengthen enamel against acid attacks. Which one of the following is also a benefit fluoride?
Neutralises toxins
Antibacterial
Inhibits bacterial feeding rate
Breaks down food debris
12. What is a function of topical anaesthetic?
Removes plaque
Numbs the tooth it’s applied around
Numbs the surface of the application site
To remove an abscess
13. Which factor can aggravate periodontal disease?
Open lip posture
Class 3 malocclusion
Chewing habits
Use of an electric toothbrush
14. Which specific antibiotic is best used to treat anaerobic bacteria when a patient presents with ANUG?
Erythromycin
Penicillin
Metronidazole
Amoxicillin
15. What is caused by vigorous tooth brushing?
Caries
Abrasion
Attrition
Abfraction
16. What causes xerostomia?
Sjögren's syndrome, Diuretics and Beta-blockers
Beta-blockers
Sjögren's syndrome
Diuretics
17. How long should each quadrant of the mouth be brushed for with an electric toothbrush?
45 seconds
60 seconds
30 seconds
20 seconds
18. What is a function of a suture?
Closes the incision site
To prevent an abscess
Prevents infection
Prevents periodontal disease
19. Which concentration of fluoride is prescribed for use by adults who are high caries risk?
3000ppm
5000ppm
4000ppm
6000ppm
20. What is the most effective ingredient at reducing the development of caries?
