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

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

3) A compound periodontal pocket is?

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

5) The earliest clinic sign of chronic gingival inflammation?

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

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

8) 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?

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

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

11) Order of periodontal treatment?

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

13) Treatment of periodontal abscess includes:?

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

15) False gingival enlargement is caused by:?

16) 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?

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

32) Crater in necrotizing periodontitis involves:?

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

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

35) Risk factors of periodontal disease are:?

36) Periodontal disease is any condition which affects the?

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

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

39) Dental plaque adheres to the tooth surface by?

40) 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:?

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

42) Periodontal pockets can BEST be detected by:?

43) How many strokes?

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

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

46) Cells involve in innate defense system are:?

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

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

49) Clinical finding of chronic periodontitis:?

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

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

52) Periodontal pocket wall between tooth and bone is?

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

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

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

56) ឧបករណ៏តម្រូវការសម្រាប់ periodontal index?

57) Periodontal abscess is:?

58) Heamatological disorder associated with periodontal disease is?

59) Dentogingival unit:?

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

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

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

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

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

65) The amount of gingival crevicular fluid is:?

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

67) Heamatological disorder associated with periodontal disease is?

68) 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?

69) For periodontal disease, smoking is:?

70) Subclinical gingivitis is:?

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

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

73) The term gingivitis refers to a condition which?

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

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

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

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

78) 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:?

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

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

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

82) ឧបករណ៏តម្រូវការសម្រាប់ periodontal index:?

83) Dental floss is use to:?

84) Bleeding on probing starts in:?

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

86) Microbial virulence factors include:?

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

88) Gingival abrasio9nj is caused by:?

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

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

91) Excisional new attachment procedure involves:?

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

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

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

95) Risk factors for chronic periodontitis include:?

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

97) Average human biologic is:?

98) 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:?

99) Dental plaque adheres to the tooth surface by?

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

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

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

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

104) The best toothbrush bristle is:?

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

106) Periodontal disease is a risk factor for:?

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

108) What the usefulness is of radiographs in periodontal?

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

110) Root planning is: …………………………………………………?

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

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

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

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

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

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

117) Scaling process removes: ………………………?

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

119) Less calcified structure is?

120) Primary endodontic lesion requires:?

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

122) Root planning is:?

123) Straightening of the teeth is called:?

124) 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: ………?

125) 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: ……?

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

127) A compound periodontal pocket is:?

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

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

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

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

132) The term chronic inflammation is best defined as?

133) 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?

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

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

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

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

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

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

140) 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?

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

142) What is the difference between gingivitis and periodontitis?

143) Gingival abrasion is caused by:?

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

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