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1. The Basic Examination and Anesthetic Instruments

Exercises for Part 1

Answers are provided at the end of this exercise.

1. The main purpose of four handed, sit-down dentistry is:

a. To give the dental assistant something to do.

b. To enable the doctor-assistant team to handle more patients.

c. To anticipate the dentist
's next move.

d. To make the patient more comfortable.

2. A periodic dental examination:

a. Can result in early diagnosis of localized diseases.

b. Is limited to examination of dental tissue.

c. Ignores systemic disease symptoms.

d. Is not required for Army personnel.

For exercise items 3 through 8, match the characteristics of instrument sharpening technique statement in column A with one of the three instrument sharpening techniques terms in column B.


____3. It is useful for curved or irregularly-shaped nibs.

____4. It was invented by Dr. E. L. Kirkpatrick.

____5. It removes the least amount of metal.

____6. It has the greatest control of the instrument.

____7. A Carborundum™ stone is used in this technique.

____8. A sandstone is used in this technique.


a. Fixed-stone.

b. Mounted-stone.

c. Rotary-hone.

9. Which of the principles below should NOT be followed in sharpening instruments?

a. Use the plane of the surface being ground as a guide.

b. Use lubrication.

c. Reduce only the sharpened edge of the surface.

d. Avoid excessive pressure.

e. Sharpen instrument at first sign of dullness.

f. Wear safety glasses.

10. In checking instrument sharpness:

a. A shiny edge indicates the instrument is sharp.

b. Hold the instrument at a 90ş angle to the nail and push or pull lightly.

c. A dull edge will appear as a black line.

d. The thumbnail check is more reliable than the light test.

For exercise items 11 through 18, match the characteristics of instruments used in the basic oral examination setup in column A with one of the six instruments used in the basic oral examination setup in column B.


____11. They may be used to carry liquid medication.

____12. They are used for diagnostic purposes based on the sense of touch.

____13. They are also called dressing forceps.

____14. The functional end can be replaced.

____15. They are attached to the dental unit.

____16. They are used to determine the depth of soft tissue pockets.

____17. They are used to retract soft tissues of the cheeks, tongue, and lips.

____18. The nib has marks which are graduated in millimeters.


a. Mouth mirrors.

b. Explorers.

c. Cotton pliers.

d. Saliva ejectors.

e. Periodontal probes.

f. Gauze pads.

For exercise items 19 through 25, match the characteristics of dental health classifications in column A with one of the four classifications of dental health in column B.


____19. Deep caries.

____20. Two annual exams missed.

____21. Routine, but not extensive, dental treatment required.

____22. Pericoronitis.

____23. No dental treatment required.

____24. No dental records available.

____25. A fractured tooth.


a. Class 1.

b. Class 2.

c. Class 3.

d. Class 4.

26. Which statement below does NOT reflect a reason why patient histories are taken and recorded?

a. It helps the dentist arrive at a diagnosis.
b. It provides information on conditions, which might lead to complications during dental treatment.
c. Taking the record helps establish rapport with the patient.
d. It provides information that can be given to other government agencies upon request.
e. Taking the record provides an opportunity for patient education.

27. It is important to know whether a patient has ___________, so that the dentist and the patient's physician can take measures to control bleeding during surgical procedures.

a. Angina pectoris.

b. Hemophilia.

c. Pernicious anemia.

d. Hyperthyroidism.

28. High susceptibility to infections and periodontal disease are often associated with:

a. Rheumatic heart disease.

b. High blood pressure.

c. Allergy and hypersensitivity.

d. Pernicious anemia.

e. Diabetes mellitus.

29. Radiographs:

a. Are kept in the dental health record for six months.

b. Are mounted and interpreted by the dental specialist.

c. Reveal the presence of abscesses surrounding the roots of teeth.

d. Are routinely given "wet readings" by the dentist.

Note: Questions 30 through 35 have been omitted due to their military-specific nature.

36. Lidocaine hydrochloride is the generic name for:

a. Epinephrine.

b. Carbocaine.

c. Benzocaine.

d. Xylocaine®

37. The infiltrative needle is used to anesthetize:

a. An entire area.

b. A small area.

c. Tissues over an abscessed area.

38. The anesthetic syringe cartridge is made of:

a. Glass.

b. Plastic.

c. Another substance.

39. The anesthetic syringe is sterilized by:

a. The manufacturer.

b. Autoclaving.

40. In preparing for the anesthetic injection, remember that:

a. The lower the epinephrine ratio, the longer the time the anesthetic will last.

b. The more epinephrine, the more danger of bleeding.

c. The area is usually dried and a topical anesthetic applied.

d. The short end of the needle should not penetrate the Carpule™.

41. The most common negative after effect of dental anesthesia is:

a. Allergic reactions.

b. Obstruction of the airway.

c. Falling.

d. Aspiration of a foreign body.

e. Fainting.

42. The MAIN duty of the dental specialist in the oral medicine and treatment service is:

a. Administration of the radiographic section.

b. Consultation with other professional services of the dental clinic.

c. Assuring that emergencies are seen first.

d. Relieving the dentist of all but the strictly professional aspects of the routine work.



1. b

2. a

3. b

4. c

5. a

6. c

7. a

8. b

9. c

10. d

11. c

12. b

13. c

14. a

15. d

16. e

17. a

18. e

19. c

20. d

21. b

22. c

23. a

24. d

25. c

26. d

27. b

28. e

29. c

36. d

37. b

38. a

39. b

40. c

41. e

42. d

David L. Heiserman, Editor

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All Rights Reserved

Revised: June 06, 2015