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

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

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

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

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

6) Subclinical gingivitis is:?

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

8) The best toothbrush bristle is:?

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

10) Heamatological disorder associated with periodontal disease is?

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

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

13) Periodontal disease is a risk factor for:?

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

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

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

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

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

19) Excisional new attachment procedure involves:?

20) Cells involve in innate defense system are:?

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

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

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

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

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

26) Periodontal pocket wall between tooth and bone is?

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

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

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

30) Microbial virulence factors include:?

31) What the usefulness is of radiographs in periodontal?

32) How many strokes?

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

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

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

36) Primary endodontic lesion requires:?

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

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

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

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

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

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

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

44) A compound periodontal pocket is?

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

46) Average human biologic is:?

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

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

49) Dental floss is use to:?

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

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

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

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

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

55) The earliest clinic sign of chronic gingival inflammation?

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

57) The term chronic inflammation is best defined as?

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

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

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

61) Straightening of the teeth is called:?

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

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

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

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

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

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

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

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

70) Dental plaque adheres to the tooth surface by?

71) 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?

72) Clinical finding of chronic periodontitis:?

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

74) The amount of gingival crevicular fluid is:?

75) A compound periodontal pocket is:?

76) 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: ……?

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

78) Dentogingival unit:?

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

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

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

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

83) Gingival abrasion is caused by:?

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

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

86) Crater in necrotizing periodontitis involves:?

87) Scaling process removes: ………………………?

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

89) Risk factors of periodontal disease are:?

90) Periodontal abscess is:?

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

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

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

94) ឧបករណ៏តម្រូវការសម្រាប់ periodontal index:?

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

96) Bleeding on probing starts in:?

97) Periodontal pockets can BEST be detected by:?

98) Order of periodontal treatment?

99) Root planning is: …………………………………………………?

100) The term gingivitis refers to a condition which?

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

102) Risk factors for chronic periodontitis include:?

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

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

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

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

107) 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:?

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

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

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

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

112) 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: ………?

113) 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?

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

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

116) For periodontal disease, smoking is:?

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

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

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

120) Treatment of periodontal abscess includes:?

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

122) Heamatological disorder associated with periodontal disease is?

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

124) 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?

125) 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:?

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

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

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

129) 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?

130) What is the difference between gingivitis and periodontitis?

131) Gingival abrasio9nj is caused by:?

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

133) Root planning is:?

134) Dental plaque adheres to the tooth surface by?

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

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

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

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

139) Less calcified structure is?

140) ឧបករណ៏តម្រូវការសម្រាប់ periodontal index?

141) 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?

142) 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:?

143) False gingival enlargement is caused by:?

144) Periodontal disease is any condition which affects the?

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