1) The primary predisposing factor in ANUG: ………………………?

2) A 15-year-old girl presents with good oral hygiene. Radiographs how vertical bone loss on #11 and #36. What is the closest diagnosis of this case:?

3) Root planning is:?

4) Two points contact is essential for: …………………………..?

5) A 65-year-old man with a chief complaint of loosing anterior lower teeth. Clinical finding shows excessive supra and subgingival plaque with bleeding on probing. Radiographs reveal severe bone loss on especially anterior lower teeth. Which is the closest diagnosis of this case?

6) The most common factor that defects healing after periodontal treatment: ?

7) New attachment is possible for: ………………?

8) Periodontal disease is a risk factor for:?

9) The distance between the apical extent of calculus and alveolar crest in human periodontal pockets is:?

10) The prognosis for smoker with severe periodontitis, when he stops smoking: …?

11) Instrument used for supra-gingival scaling is: …………………….?

12) Maintenance phase should start after: ………………….?

13) Teeth grinding and gnashing (bruxism) can lead to:?

14) Microbial virulence factors include:?

15) The prevalence of gingival recession in people who are older than 50 years:?

16) For periodontal patient, the most frequently recommended tooth brushing technique is:?

17) Less calcified structure is?

18) Excisional new attachment procedure involves: …………………………?

19) Scaling process removes: ………………………?

20) Following a flap procedure, pressure is applied to the tissues for one minute in order to:?

21) Cavitation is a term used in relation to: …………………?

22) Chronic periodontitis is a form of periodontal diseases that:?

23) A 27 year-old male presents to your office with the following signs: loss of interdental and marginal tippling, blue-red tissue color, the junction epithelium at the CEJ, and bleeding upon gentle probing. Your diagnosis is?

24) The clinical presentation of gingivitis and periodontitis are similar. How could you determine if a patient has periodontitis is?

25) Which a stroke use with probes and explores for evaluation of dimension of pocket and for explore Calculus on tooth surface?

26) Periodontal pocket wall between tooth and bone is:?

27) The periodontium consists of all of the following EXCEPT?

28) Primary endodontic lesion requires:?

29) Heamatological disorder associated with periodontal disease is?

30) Treatment of periodontal abscess includes:?

31) The term gingivitis refers to a condition which?

32) Heamatological disorder associated with periodontal disease is?

33) Dental plaque adheres to the tooth surface by?

34) Which of the following is a more common expression of gingivae: …………?

35) Subclinical gingivitis is: …………………………………..?

36) Which one in Phase I therapy (non-surgery phase):?

37) What is the most common systemic disease to affect the periodontal tissues?

38) 40 years diabetic patient, present clinically with periodontal attachment loss and diagnosed as having periodontitis. According to AAP 1999 classification of periodontal diseases, the type of periodontitis in this case is:?

39) When there is an abscess with fistula tract, we can traced the causing tooth by:?

40) Root planning is: …………………………………………………?

41) Which of the following does not improve healing after periodontal treatment?

42) Gingival abrasion is caused by:?

43) In necrotizing periodontitis, microorganisms can be found in all the following EXCEPT:?

44) The earliest clinic sign of chronic gingival inflammation?

45) Which one in Phase I therapy (non-surgery phase)?

46) A forcibly embedded tooth bristle may be retained in gingival and course:?

47) Wire edge is produced in instruments by sharping strokes that are: …………….?

48) Which of the following is a clinical indication for microbial analysis of plaque: .?

49) A 27 year-old male presents to your dental clinic with the following signs: loss of interdental and marginal tippling, blue-red tissue color, the junction epithelium at the CEJ, and bleeding upon gentle probing. Your diagnosis is:?

50) Definition of scaling: ………………………………..?

51) The term chronic inflammation is best defined as?

52) The most common form of periodontal disease that causes irreversible damage to the periodontium is:?

53) Periodontal pocket wall between tooth and bone is?

54) The usefulness of radiographs may: ……………………….?

55) A 42-year-old female presents with minimal plaque and inflammation. Radiographs show vertical and angular bone loss on the distal side of #37. Which one is the closest diagnosis of this case?

56) Clinical finding of chronic periodontitis:?

57) What is the most common disease affecting the periodontium?

58) ឧបករណ៏តម្រូវការសម្រាប់ periodontal index?

59) Which one in Phase IV therapy (Maintenance phase):?

60) Indications for muco-gingival surgery include the following except:?

61) Dental floss is use to:?

62) Periodontal abscess is:?

63) False gingival enlargement is caused by:?

64) What is the main difference between gingivitis and periodontitis?

65) The distance between the apical extent of calculus and alveolar crest in human periodontal pockets is:?

66) Which one in Phase II therapy (Surgical phase):?

67) Which of the following is NOT the roles of saliva:?

68) The distance between the apical extent of calculus and alveolar crest in human periodontal pockets is:?

69) One of physical barriers in host response is:?

70) Average human biologic is: …………………………………….?

71) What is the difference between gingivitis and periodontitis?

72) The best toothbrush bristle is:?

73) 16 years boy, present clinically with attachment loss related to 1st Molars and Incisors only. Diagnosis of this case according to AAP 1999 periodontal diseases Classification is: ……?

74) For periodontal disease, smoking is:?

75) The most common factor that defect healing after periodontal treatment: …?

76) Risk factors for chronic periodontitis include:?

77) Linear action of the tip is feature of: …………………?

78) Which of the following are true of chronic periodontitis?

79) Ultrasonic scaling is done with: ………………………………?

80) Dental plaque adheres to the tooth surface by?

81) False gingival enlargement is caused by: …………………………………?

82) Average human biologic is:?

83) Risk factors of periodontal disease are: ……………………………………..?

84) A 48-year-old woman presents with fistula on the buccal of #24. The tooth does not have any filling. Probing shows a 6mm pocket on mesio-buccal. Pulp vitality test shows the tooth is vital and radiograph shows a vertical bone loss on mesial of #24. What is the closest diagnosis of this case?

85) Subclinical gingivitis is:?

86) Each occlusal the following cyst is associated with an impacted tooth except:?

87) What type of fibers are principle fibers of the periodontal ligament?

88) Which one of the following is a surgical sickle?

89) Periodontal pockets can BEST be detected by: ……………?

90) Which of the following is usually not caused by gingival recession:?

91) Which of the following is not one of the action factions that delay wound healing:?

92) 30 years female pregnant patient, upon periodontal clinical examination, there was gingival bleeding on probing, edema and redness of gingival margin, and poor oral hygiene. Diagnosis of this case according to AAP 1999 periodontal diseases Classification is: ………?

93) Gingival abrasio9nj is caused by:?

94) Bleeding on probing starts in:?

95) Which of the following is NOT a risk factor of periodontal disease?

96) The periodontium consists of all of the following EXCEPT?

97) The periodontium consists of all of the following are:?

98) Periodontal disease is any condition which affects the?

99) A periodontal pocket 8 mm deep, having the junctional epithelium coronal to the cement enamel junction is:?

100) The primary pathogen found in aggressive periodontitis is:?

101) Excisional new attachment procedure involves:?

102) Chisel is sharpened with: ……………………………..?

103) What the usefulness is of radiographs in periodontal?

104) Indications for muco-gingival surgery include the following EXCEPT

105) Straightening of the teeth is called:?

106) Dentogingival unit:?

107) The amount of gingival crevicular fluid is:?

108) The usefulness of radiographs local factor may: ……………?

109) The distance between the apical extent of calculus and alveolar crest in human periodontal pockets is: …………………………?

110) In CPITN (Community periodontal index treatment need): ……………?

111) The earliest clinic sign of chronic gingival inflammation:?

112) Which of the following is NOT a characteristic of necrotizing periodontitis?

113) Local treatment procedure that accelerates regeneration is: ………?

114) Order of periodontal treatment?

115) To localize a supernumerary or an impacted tooth and determine its exact relationship to the other teeth, which of the following radiographs would be most effective?

116) ឧបករណ៏តម្រូវការសម្រាប់ periodontal index:?

117) Crater in necrotizing periodontitis involves:?

118) The following are clinical features of periodontal abscess EXCEPT:?

119) A compound periodontal pocket is:?

120) How many strokes?

121) A compound periodontal pocket is?

122) Periodontal pockets can BEST be detected by:?

123) Cells involve in innate defense system are:?

124) The amount of gingival crevicular fluid is: ………………………………………….?

125) Active haemorrhage has to be first controlled by: ……………………..?

126) Which one in Phase III therapy (Restoration phase):?

127) Risk factors of periodontal disease are:?

128) Which stroke មានកម្លាំងទាញ ត្រូវបានប្រើជាមួយមុខកាំបិតរបស់ឧបករណ៏សម្រាប់យកចេញ Calculus ទាំងពីរ Supra gingival and Sub gingival?

129) Chronic periodontitis is the most common form of periodontitis. Which of the following is NOT a clinical feature of the disease?

130) Which of the following step should be most preferably taken in root planning procedure?

131) Aggressive periodontitis is a form of periodontal diseases that:?

132) Which one of the following scalers is actvated with push motion: ……………..?

133) Tooth mobility caused by which of the following is not likely to be corrected: ….?

134) A pseudopocket (or gingival pocket) is formed by the?

135) The inter-dental aid to be used when the embrasure is filled with inter-dental papilla: ………?

136) Repair that occurs after treatment of periodontal lesions is called: …?

137) អាប់សែ Periodontal ធ្ងន់ធ្ងរ ត្រូវបានព្យាបាល ដោយ (Acute periodontal abscess is Treated by):?

138) ការបាត់បង់ឆ្អឹង ផ្ដេក មានវត្តមាន នៅក្នុង (Horizontal bone loss is present in):?

139) Which of the following scaler is used for crushing of calculus: …………?

140) Periodontal disease is an important risk factor for all of the following except: ….?

141) Dento-gingival unit: ……………………………………………..?

142) The earliest sign of gingivitis which is of great help for diagnostic and treatment planning is:?

143) Patient with necrotizing periodontitis (NP) is usually requested to have blood test for HIV infection because:?

144) Which of the following is usually not caused by gingival recession?

145) Which of the following periodontal disease does not have calculus?