Perio

Perio1- The periodontium comprise which of the following tissues:

a. Gingiva and the PDL.

b. Gingival, PDL, and alveolar bone.

c. Gingival, PDL, alveolar bone, and cementum. ***

d. Gingival, PDL, alveolar bone, cementum, and enamel1. Treatment of gingival trauma from faulty oral hygiene is mainly:

a. To advice the patient to change their faulty habits immediately ***b. Reassure the patient that it will disappear by it self.

c. To buy a new brush.2. Which of the following statement is true regarding dental calculus:

a. It is composed entirely of inorganic material. b. It is dens in nature and has a rough surface.

c. It is mineralized dental plaque.

d. All of the above.

e. B & C only. ***

f. None of the above.a. Overhanging restoration margins should be removed because:

b. It provides ideal location for plaque accumulation.

c. It tears the gingival fibers leading to attachment loss.d. Stimulate inflammatory reaction directly.e. Its removal permits more effective plaque control. f. A & d. ***3. Main use of dental floss

a. Remove calculus.

b. Remove over hang.

c. Remove bacterial plaque. ***

d. Remove food debris.

the goal of flossing your teeth is to scrub dental plaque

it can be done in primary and permanent4. What is the benefit of rinsing the mouth with water:

A) Plaque removal

B) calculus removal

C) washing the food debris. ***5. What is the benefit of rinsing the mouth with water

a. Plaque removal

b. Prevent the formation of plaque

c. Dilute the concentration of bacteria6. The water reins devices for periodontal therapy has a main goal which isa-remove plaqueb-prevent plaque attachment c-dilute bacterial toxind-remove dental pocket7. Calculus induce further periodontal lesion due to: a) Directly stimulates inflammationb)more plaque adhere to it. ***c) irritate the gingiva8. Floss used to: a. Remove interproximal plaque. ***b. Remove overhangsc. Stimulate gingivald. .

9. Plaque consists of: a. Bacteriab. Inorganic materialc. Food

10. To prevent perio problem MOST effective method is:

a. Community program.

b. Removal of plaque. ***

c. Patient education.

11. Caries consist of:

a. Bacteria. ***

b. Fluid.

c. Epithelial cells.

12. Use of miswak and toothbrush:

a. Toothbrush after meals and miswak at prayer time and when out of home. ***

b. Miswak and toothbrush must be used together.c. Use the miswak only when they can not afford to buy the toothbrush and toothpaste.

d. Not use the miswak and use the toothbrush instead.

13. Acute periodontal abscess:

a. Fistula present.

b. Swelling enlargement in tooth site. ***

c. None of the above.14. Tooth brushing and dental floss help in community prevention of periodontal disease:

a. True. ***

b. False.

15. Subgingival scaling and root planning is done by:

a. Gracey Curette. *** b. Hoe. c. Chisel. 16. Dental plaque composed mainly of:

a. Bacteria. ***

b. Inorganic materials.

c. Food.

17. Chronic suppurative periodontitis: a. PT complains from moderate pain.

b. Fistula with drain. ***

c. Pulp polyp in open coronal carious lesion.18. Currently the only effective preventive measure for periodontal disesse (apart from limited use of antiseptic solutions) is:

a. Regular and rough removal of dental plaque. ***

b. Salt flouridation

c. Dental health education.

19. Periodontal ligament fibers in the middle third of the root is:

a. Oblique. *** b. Horizontal.

c. Transeptal. 20. Which of the following statement is true for the reported relationship of periodontal disease and diabetes mellitus:

a. The reported incidence of periodontal disease in the diabetes is less than that for nondiabetic.

b. Pts with history of diabetes of less than 10 years have more periodontal disease destruction than those with history of longer than 10 years.

c. The prevalence of periodontal disease increase with the advancing age of the diabetic. ***

The prevalence of periodontal disease increase with the better metabolic coronal of the diabetic state

21. Chlorhexidine is used as mouth wash in the concentration of:

a. 0.1-0.2% ***

b. 1-2% c. 5-10%

d. 20%22. Cementum in cervical 2/3 have:

a. Acellular intrinsic fiber.

b. Acellular extrinsic fiber. ***

c. Cellular mixed fibers.

d. Intermediate cementum

23. Supra calculus all true EXCEPT:

a. Hard and rough ***

b. Easy to detach

c. Has component of saliva24. Important factor in long term success of perio treatment: a. Skill of the operatorb. Perio maintenancec. 25. Which causes gingival enlargement: a. b. Cyclosporinesc. d.

26. Cementum is formed froma. Cementoblasts ***b. Fibroblastsc. Cementiclesd. ..27. Teeth have convexity in buccal and linguala. Upper premolars. ***b. ..

28. Main disadvantage of chlorhexidine: a. Staining. ***b. Burning sensation.c. Altered taste.

chlorohexidine has several disadvantages. One of the most important disadvantages is that if a patient rinses his mouth with chlorohexidine compositions regularly, his teeth and tongue obtain a brownish colour. This is off course a major disadvantage. Another disadvantage of chlorohexidine is that it has no significant anti-bacterial effect on gram positive bacteria at relatively low concentrations. This means that gram positive bacteria will not be effected by the rinse composition and may thus still cause periodontitis or produce the volatile sulphur compounds that cause the malodour.probe used to detect furcation: 1-nabers probe. *** 29. The best method for tooth brush is Bass method because:

a. It enter to interproximal area

b. Can be used by patient with gingival recession and it rotainary advice to all types of patients.

1. The both sentences are correct. ***

2. The first sentence is correct and the second is wrong.30. Bass brushing has the advantage of the bristles enters in the cervical area , and it is recommended for all patients:a)both statements are true. ***b)both statements are falsec)first is true ,second is wrongd)first is wrong , second is trueBass method advantages:

- It concentrates the cleaning action on the cervical and interproximal portions of the teeth.

- The Bass technique is efficient and can be recommended for any patient with or without periodontal involvement.31. Patient comes to you with edematous gingiva, inflamed, loss of gingival contour and recession, what's the best tooth brushing technique?A. Modified bassb. Modified stillman. ***c. Charterd. ScrubThe brushing technique which is recommended after periodontal surgery is Charte.r

The brushing technique which is recommended for areas with progression gingival recession is modified stilman.

. Modified bass .

Charter 135 .32. The best method to protect teeth that underwent bicuspidization procedure from fracture?A. Full crown. ***b. Splint with compositec. Orthodontic splint33. sharpening the curette and sickle, the cutting edge should be at angle: a- 50-60b- 70-80. ***c- 80-90d- 60-70

34. The aim of treatment maintenance is:

A) Prevent secondary infection.. ***

B) Check tissue response.

35. The aim of maintenin therpy isa- Prevent recurrent dieases

B- Check tissue response.

36. To remove a broken periodontal instrument from the gingival sulcus: a) Schwartz Periotriever. ***B) x37. An 18 years old Pt present complaining of pain, bad breath and bleeding gingival. This began over the weakened while studying for the final exam. The Pt may have which of the following conditions:

a. Acute necrotizing ulcerative gingivitis ***

b. Rapidly progressive periodontitis

c. Desquamative gingivitis. d. Acute periodontal cyst.

Thus, the former term, acute necrotising ulcerative gingivitis (ANUG) is summed up in necrotising gingivitis (NG(NG is a relatively rare disease and is generally described as existing in young adults between the ages of 18 and 30 years.It tends to emerge more frequently when the patient is under conditions of both physical and psychological stress.

The disease is characterized by pain, bleeding and papillary necrosis with tendency to relapse Abrupt onset. If the patient has had prior outbreaks, he/ she is capable of reporting prodromal symptoms; for instance, a burning sensation in the gums.Poor general health status and low-grade fever Halitosis. ; it varies in terms of both intensity and degree.38. Gingival condition occur in young adult has good oral hygiene was weakened.ANUG .desqumative gingivitis.periodontitis.gingivitis

"Tyldesley's oral medicine"

The influence of poor oral hygiene in the initiation of ANUG has been often stressed, but there is no doubt that there are some patients whose standard of hygiene must be considered by normal criteria to be good.

39. Differences between ANUG and AHGS is:

a. ANUG occur in dental papilla while AHGS diffuse erythematous inflamed gingival.

b. ANUG occur during young adult and AHGS in children.

c. All of the above. ***40. Student, came to clinic with severe pain, interdental papilla is inflamed, student has exams, heavy smoker, poor nutrition.A. Gingivitisb. ANUGc. Periodontitis

41. proxy brush with which type of furcation: Furcation Grade 1-1Furcation Grade 2-2Furcation Grade 3-3. ***Furcation Grade 4-442. Contraindication of gingivectomya-periodontal abscess43. sharping of hand instrument mounted air driven better than unmounted due to

A) fine grift. ***

B) sterilization

C) ability to curve instrument

The mounted-stone technique. The second technique for sharpening dental instruments is the mounted-stone technique. This technique is especially useful in sharpening instruments with curved or irregularly shaped nibs. Equipment consists of mandrel-mounted stones, a straight handpiece, lubricant, two-inch by two-inch gauge, and again, the instrument to be sharpened. Mounted stones are made of two materials, Arkansas stones and ruby stones (sometimes called sandstones). Ruby stones are primarily composed of aluminum oxide. The ruby stone is comparatively coarse, has a rapid cutting ability, and is used for sharpening instruments that are dull. Mounted stones are cylindrical in shape and appear in several sizes. They have a fine grit and are used with the straight handpiece. The stones permit rapid sharpening, but without extreme care, will remove too much metal and may overheat the instrument. Overheating the instrument will destroy the temper, thereby causing the instrument to no longer hold a sharp edge.

44. Unmounted sharpening instruments are better than mounted because: a. has finer grainsb. don't alter the bevel of the instrumentc. easier to sterilized. less particles of the instruments are removed. *** = cut less of the plade.Unmounted stones are customarly preferred as they are kinder on nstrument by removing less metal in the sharpening process

45. Electro surgery rate: a. 1.5 7.5 million cycle per seconds. ***b. 7.5 10 million cycle per seconds.c. 10 25 million cycle per seconds.d. 30 million cycle per seconds.

46. Main reason for surgical pocket therapy: a. Expose the roots for scaling and root planningb. Remove supragingival calculusc. 47. Biological widtha. 1 mmb. 2mm ***c. 3mmd. 4mm

48. Biological depth:

a. Crestal bone to gingival sulcus ***

49. Periodontal attachment contain:

Epithilum, sulcus, connective tissue. ***50. Periodontally involved root surface must be root planed to:

a. Remove the attached plaque and calculus.

b. Remove the necrotic cementum.

c. Change the root surface to become biocompatible

d. All of the above.

e. A & b only. ***

51. Best measurement of periodontitis by:

a. Pocket depth.

b. Bleeding.

c. Attachment level.***Probing to elicit bleeding (which is the single most useful indicator of disease activity), measuring pocket depth attachment levels, and detecting subgingival calculus.

52. The tissue response to oral hygiene instruction is detected by:a- Probe pocket depth.b- Less bleeding. *** Both the MBI and PlI can be expressed as bleeding or plaque-free scores in this way obtaining ahigh score is a good thing, which may be both easier for the patient to understand and a more positive motivational approach.

53. After scaling and root planning healing occur by:

a. Long junctional epithelium. ***

b. New attachment.

c. New bone and connective tissue formation.

d. New attached periodontal ligament fibers.

54. During examination 34 show gingival recession buccally, the least correct reason is:

a. Frenum attachment.

b. Pt is right hand brushee.

c. Occlusal force. ***

d. Inadequate gingival.

.55. Periodontal pocket differ most significantly from gingival pocket with respect to:

a. Depth.

b. Tendency to bleed on gentle probing.

c. The location of the bone of the pocket. ***

d. All of the above.

Chronic gingivitis is, as the name suggests, inflammation of the gingival tissues. It is not associated with alveolar bone resorption or apical migration of the junctional epithelium. Pockets > 2 mm can occur in chronic gingivitis due to an increase in gingival size because of oedema or hyperplasia (false pockets).56. All of these are right ways to handle the instrument EXCEPT .A- Modified pen handleb- Inverted pen c- Pen handle. *** d- Palm and thumb There are four grasps used with the hand instruments: Modified pen. Inverted pen. Palm and thumb. Modified palm and thumb.

57. Sharpening the curette and sickle, the cutting edge should be at angle:A- 50-60

B- 70-80. ***

C- 80-90

D- 60-7058. What is the dominant type of fibers found in Cementum:

A) longitudinal

B) Circular

C) Sharpey's fiber.. ***59. Fibers which completely embedded in cementation and pass from cementation of one tooth to the cementation of adjacent tooth is: 1.Sharpey's fiber.

2.Transceptal fibers. ***

3.Longitudinal fibers. 60. The best method for brushinga) verticalb) horizontalc) bass sulcular methodd) all of the above61. Dental plaque is formed aftera- 6 hoursb- 12 hoursc- 24 hoursd- 48 hours62. colour of normal gingiva in interplay between: a. Keratin- vascularity melanin- epithelial thickness***63. Amputation meansa) surgical removal of the apical portion of the rootb) removal of one or more roots***c) the root and the crown are cut lengthwised) none

64. Hemisection meansa) surgical removal of the apical portion of the rootb) removal of one or more rootsc) the root and the crown are cut lengthwise***d) none

65. For treatment of pericoronitisa- extraction of the toothb- analgesic + sterility + antibioticc- cleaning with concentrated phenold- none***66. Attrition may be caused bya- friction due to pipeb- friction during sleep***c- gastric acidd- none

67. What is the name of the instument used to diagnose halitosis a. Halometer***

68. Difference between Gracey and universal curette:

a. Section of gracey is hemicircular and in universal triangular.

b. Gracey has one cutting edge while universal has two.

c. Gracey Used for cutting in specific area while universal is in any area.

d. Universal 90 not offset, gracey 60 offset.

e. A and d

f. A, b and c.

g. B, c and d.

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