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

2) 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?

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

4) Periodontal pockets can BEST be detected by:?

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

6) Gingival abrasio9nj is caused by:?

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

8) Dental plaque adheres to the tooth surface by?

9) Microbial virulence factors include:?

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

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

12) Periodontal disease is any condition which affects the?

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

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

15) What is the difference between gingivitis and periodontitis?

16) Clinical finding of chronic periodontitis:?

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

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

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

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

21) The best toothbrush bristle is:?

22) Heamatological disorder associated with periodontal disease is?

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

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

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

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

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

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

29) 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:?

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

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

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

33) 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?

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

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

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

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

38) 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?

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

40) Straightening of the teeth is called:?

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

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

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

44) Gingival abrasion is caused by:?

45) Average human biologic is:?

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

47) The earliest clinic sign of chronic gingival inflammation?

48) Excisional new attachment procedure involves:?

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

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

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

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

53) Treatment of periodontal abscess includes:?

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

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

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

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

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

59) The term chronic inflammation is best defined as?

60) Root planning is:?

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

62) 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?

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

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

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

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

67) 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:?

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

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

70) Bleeding on probing starts in:?

71) A compound periodontal pocket is?

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

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

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

75) Less calcified structure is?

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

77) Periodontal disease is a risk factor for:?

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

79) The amount of gingival crevicular fluid is:?

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

81) For periodontal disease, smoking is:?

82) Cells involve in innate defense system are:?

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

84) Periodontal pocket wall between tooth and bone is?

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

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

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

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

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

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

91) Primary endodontic lesion requires:?

92) False gingival enlargement is caused by:?

93) Risk factors of periodontal disease are:?

94) Dentogingival unit:?

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

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

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

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

99) ឧបករណ៏តម្រូវការសម្រាប់ periodontal index:?

100) A compound periodontal pocket is:?

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

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

103) How many strokes?

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

105) 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?

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

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

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

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

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

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

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

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

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

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

117) What the usefulness is of radiographs in periodontal?

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

119) 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:?

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

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

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

123) Heamatological disorder associated with periodontal disease is?

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

125) Dental floss is use to:?

126) Root planning is: …………………………………………………?

127) Scaling process removes: ………………………?

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

129) Order of periodontal treatment?

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

131) Risk factors for chronic periodontitis include:?

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

133) The term gingivitis refers to a condition which?

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

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

136) Subclinical gingivitis is:?

137) Dental plaque adheres to the tooth surface by?

138) Periodontal abscess is:?

139) ឧបករណ៏តម្រូវការសម្រាប់ periodontal index?

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

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

142) Crater in necrotizing periodontitis involves:?

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

144) 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: ……?

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