Gehrig Chapter 12 precl

10. The tissue of the free gingiva fits closely around the tooth but is not directly attached to it. The free gingiva can be stretched away from the tooth surface with periodontal probe. A. Both statements are true. B. Both statements are false . C. The first statement is true; the second statement is false. D. The first statement is false; the second statement is true.

A

13. In a healthy sulcus, the junctional epithelium is attached which of the following structures? A. Enamel B. Cementum C. Alveolar bone D. Periodontal ligament

A

15. The side of the probe tip should be kept in contact with the tooth surface. The probe should be positioned parallel to the long axis of the tooth. A. Both statements are true. B. Both statements are false. C. The first statement is true; the second statement is false. D. The first statement is false; the second statement is true.

A

26. Daphne makes one measurement near the center of the lingual site (site 5) on a mandibular first molar. That measurement is 6 mm. Whatdoes this measurement indicate? A. Daphne should reposition her probe at the distolingual line angle and begin making walking strokes across the lingual site, normal sulcus. B. Daphne can move on to the next site (site 6) since it is obvious that the lingual site has a normal sulcus C. Daphne can move on to the next site (site 6) since it is obvious that the lingual site has a periodontal pocket. D. Daphne should check her probing technique because it is unlikely that the lingual site is 6 mm in depth.

A

32. Where should probing begin on the facial site of the mandibular right first molar? A. Distofacial line angle B. Mesiofacial line angle C. Midfacial D. Distal

A

36. A written consent to treatment is legally binding and will hold up in a court of law. Informed consent includes the costs of proposed treatments. A. Both statements are true. B. Both statements are false. C. The first statement is true; the second statement is false. D. The first statement is false; the second statement is true.

A

37. Where should probing begin on the lingual site of the mandibular left first molar? A. Distolingual line angle B. Mesiolingual line angle C. Midlingual D. Distal

A

4. Which of the following describes a gingival sulcus? A. The space between the free gingiva and the tooth surface B. Part of the gingiva tightly connected to the cementum C. Portion of the gingiva that fills the area between two adjacent teeth D. The part of the gingiva that is dark red with a shiny surface

A

14. In a periodontal pocket, the junctional epithelium is attached to which of the following structures? A. Enamel B. Cementum C. Alveolar bone D. Periodontal ligament

B

17. When using a periodontal probe, it is necessary to take measurements in only three places on the facial site (site 2) of a molar tooth. Only three measurements are needed because the base of the sulcus is uniform across the entire facial site. A. Both statements are true. B. Both statements are false. C. The first statement is true; the second statement is false. D. The first statement is false; the second statement is true.

B

23. Franklin is probing a maxillary first premolar where the gingival margin is at the CEJ. He records the following measurements on the periodontal chart: facial aspect = 4, 4, 4 and lingual aspect = 4, 4, 4. Do the measurements indicate that the premolar has a normal sulcus or a periodontal pocket? A. These measurements indicate a normal sulcus. B. These measurements indicate a periodontal pocket. C. These measurements indicate a sulcus that is beginning to be diseased. D. These measurements indicate incorrect probing technique.

B

29. The computer-assisted probe automatically standardizes probing force at A. 10 g B. 15 g C. 20 g D. 40 g

B

35. To probe all aspects of a tooth correctly, you should: A. Divide the tooth into four zones B. Divide the tooth into six zones C. Start at the midline of the facial aspect of posterior teeth D. Start at the midline of the facial aspect of anterior teeth

B

8. Mimi has determined that the first premolar has a periodontal pocket. To make this determination, Mimi would need to obtain a measurement of how many millimeters in depth? A. 3 B. Greater than 3.5 C. Less than 3.5 D. 5

B

9. A periodontal pocket is a gingival sulcus that has been deepened because of A. old age B. disease C. oral surgery D. excessive probing force

B

2. The millimeter markings on periodontal probes may be indicated by indentations in the metal, colored indentations, or colored bands. The millimeter marks on all color-coded probes are placed at 3, 6, 9, and 12 mm. A. Both statements are true. B. Both statements are false. C. The first statement is true; the second statement is false. D.first statement is false; the second statement is true.

C

20. Igor is recording probing depth measurements on a periodontal chart. How many measurements should he record for each tooth? A. Three B. Five C. Six D. Ten

C

25. Angela is probing the mandibular canine. In the mesial site (site 3), the measurements are 3 mm, 3 mm, 3 mm, and 3.5 mm. What should Angela record for the mesial site? A. 3 mm B. 3.5 mm C. 4 mm D. 13 mm

C

28. The calibrated probe is used for all of the following except A. assess for presence of bleeding or pus B. measure the size of oral lesions C. determine the presence of dental caries D. determine the width of attached gingiva

C

3. A calibrated periodontal probe is marked in millimeter intervals. Each millimeter increment (from 1 to 12 mm) is indicated on the working-end of all calibrated probes. A. Both statements are true. B. Both statements are false. C. The first statement is true; the second statement is false. D. The first statement is false; the second statement is true.

C

31. Probing depths may be overestimated due to swollen gingival tissue. Probing depths will be most accurate before you remove heavy subgingival calculus. A. Both statements are true. B. Both statements are false. C. The first statement is true; the second statement is false. D. The first statement is false; the second statement is true.

C

33. The clinician knows when the probe tip touches the base of the sulcus because the tissue feels A. unyielding like concrete B. semisolid wood C. soft and resilient D. the consistency of jelly

C

6. Axel has determined that the sulcus around canine is clinically normal. To make this determination, Axel would need to obtain a measurement of how many millimeters in depth? A. Greater than 3 В.4 C. Less than 3.5 D. 12

C

11. Clyde has inserted probe to the base of a clinically normal sulcus. Which of the following tissues does the probe touch at the base of the sulcus? A. Alveolar bone B. Periodontal ligament fibers C. Dental calculus D. Junctional epithelium

D

12. In a periodontal pocket, the periodontal probe is inserted beneath the gingival margin until it contacts which of the following structures? A. Alveolar bone B. Periodontal ligament fibers C. Dental calculus D. Junctional epithelium

D

16. Corbin has walked a periodontal probe across the mesial surface until it touched the contact area. What should Corbin do next? A. Remove the probe from the sulcus and reposition at the distofacial line angle. B. Remove the probe from the sulcus and reposition at the mesiofacial line angle. C. Remove the probe from the sulcus and insert it at the line angle of the adjacent premolar tooth. D. Slant the probe slightly and gently press downward to assess beneath the contact area.

D

18. The probe should be removed from the sulcus after each measurement and reinserted for the next measurement. The probe is used with walking strokes that are only about 1 mm apart. A. Both statements are true. B. Both statements are false. C. The first statement is true; the second statement is false. D. The first statement is false; the second statement is true.

D

19. Danielle is recording probing depths. She is measuring the distance in millimeters from the A. cementoenamel junction to the periodontal ligament B. cementoenamel junction to the base of the sulcus or pocket C. gingival margin to the periodontal ligament D. gingival margin to the base of the sulcus or pocket

D

21. The periodontal probe should be removed from the sulcus after each measurement. The pressure of the probe tip against the junctional epithelium should be between 10 and 20 g. A. Both statements are true. B. Both statements are false. C. The first statement is true; the second statement is false. D. The first statement is false; the second statement is true.

D

22. Judy is probing the facial site (site 2) of a mandibular molar. The measurements in this site range from 2 to 4.5 mm. What reading should Judy record on the periodontal chart for the facial site? A. 2 mm B. 4 mm C. 4.5 mm D. 5 mm

D

24. Hilda is probing the maxillary central incisor. For the facial site (site 2), the measurements are 5.6 mm, 5 mm, 4.5 mm, 5 mm, and 6.5 mm. What do these measurements indicate? A. Incorrect probing technique: Hilda should make only three measurements in the facial site. B. Incorrect probing technique: Hilda must be positioning the working-end incorrectly to obtain such varied measurements. C. Hilda should record a reading of 5 mm for the facial site, D. Hilda should record a reading of 7 mm for the facial site.

D

27. Carolyn records the following readings on the periodontal chart for the maxillary right second premolar: facial aspect= 6, 5, 5 and lingual aspect = 7, 6, 7. The gingival margin is at the CEJ on this premolar.What do these readings indicate? A. This tooth has a periodontal pocket. B. Some of the alveolar bone surrounding the root has been lost. C. This tooth has a normal sulcus . D. This tooth has a periodontal pocket and some of the alveolar bone surrounding the root has been lost.

D

30. Since only light pressure is used when probing, ___activation may be used. A. wrist B. digital C. hand pivot D. either wrist or digital

D

34. It is preferable that patients consent to treatment plans verbally. A patient must have capacity to consent. A. Both statements are true. B. Both statements are false. C. The first statement is true; the second statement is false. D. The first statement is false; the second statement is true.

D

38. A decision by the patient to reject treatment should happen before informed consent. Informed refusal forms should be a part of patient documentation. A. Both statements are true. B. Both statements are false. C. The first statement is true; the second statement is false. D. The first statement is false; the second statement is true.

D

5. Beulah has inserted a periodontal probe to the base of a sulcus. Which of the following tissues forms the base of a clinically normal gingival sulcus? A. Mucogingival junction B. Interdental gingival C. Interdental col D. Junctional epithelium

D

7. Bing has inserted a probe to the base of a periodontal pocket. Which of the following tissues does the probe touch at the base of the pocket? A. Mucogingival junction B. Interdental gingival C. Interdental col D. Junctional epithelium

D