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

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

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

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

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

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

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

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

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

10) Dental plaque adheres to the tooth surface by?

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

12) Average human biologic is:?

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

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

15) Dental floss is use to:?

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

17) What the usefulness is of radiographs in periodontal?

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

19) 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:?

20) 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?

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

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

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

24) The best toothbrush bristle is:?

25) For periodontal disease, smoking is:?

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

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

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

29) 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?

30) False gingival enlargement is caused by:?

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

32) Treatment of periodontal abscess includes:?

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

34) Scaling process removes: ………………………?

35) ឧបករណ៏តម្រូវការសម្រាប់ periodontal index:?

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

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

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

39) Periodontal abscess is:?

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

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

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

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

44) 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:?

45) Bleeding on probing starts in:?

46) Straightening of the teeth is called:?

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

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

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

50) Heamatological disorder associated with periodontal disease is?

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

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

53) 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?

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

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

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

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

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

59) Cells involve in innate defense system are:?

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

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

62) Periodontal disease is a risk factor for:?

63) Dentogingival unit:?

64) Risk factors of periodontal disease are:?

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

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

67) The term gingivitis refers to a condition which?

68) How many strokes?

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

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

71) A compound periodontal pocket is:?

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

73) Root planning is:?

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

75) Primary endodontic lesion requires:?

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

77) A compound periodontal pocket is?

78) Risk factors for chronic periodontitis include:?

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

80) Crater in necrotizing periodontitis involves:?

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

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

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

84) Subclinical gingivitis is:?

85) Order of periodontal treatment?

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

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

88) Gingival abrasio9nj is caused by:?

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

90) The amount of gingival crevicular fluid is:?

91) 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?

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

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

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

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

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

97) Dental plaque adheres to the tooth surface by?

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

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

100) Heamatological disorder associated with periodontal disease is?

101) Less calcified structure is?

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

103) Periodontal disease is any condition which affects the?

104) Gingival abrasion is caused by:?

105) Periodontal pockets can BEST be detected by:?

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

107) Excisional new attachment procedure involves:?

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

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

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

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

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

113) 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: ……?

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

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

116) What is the difference between gingivitis and periodontitis?

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

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

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

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

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

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

123) Clinical finding of chronic periodontitis:?

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

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

126) Periodontal pocket wall between tooth and bone is?

127) 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?

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

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

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

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

132) The term chronic inflammation is best defined as?

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

134) 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: ………?

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

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

137) The earliest clinic sign of chronic gingival inflammation?

138) Microbial virulence factors include:?

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

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

141) ឧបករណ៏តម្រូវការសម្រាប់ periodontal index?

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

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

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

145) 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:?