1) U.S. food and drug administration for the adjunctive therapy of periodontitis has approved doxycycline hyclate:

2) Localised aggressive periodontitis:

3) A very tight grasp will:

4) The results of the extraoral and intraoral examination should be recorded in the patient’s chart whenever:

5) The most objective and reliable indication of successful scaling and root planing is:

6) During a sequence of scaling appointments the most advantageous approach is to:

7) 80Which of the following areas of the tooth are considered most sensitive from various stimuli?:

8) Cementum 😕

9) The primary cause of periodontal diseases is?

10) Abnormal tooth mobility maybe initiated by each of the following except:

11) Dentogingival unit:

12) The active ingredient in periochip is :

13) Significant serum antibody response to specific Plaque organisms is found in:

14) The gingival groove, when present, is a good indicator of ?

15) 16Which of the following is found in acellular Afibrillar cementum:

16) In human teeth, afibrillar cementum is most likely encountered as ?

17) A serious limitation of the hoes is that they:

18) A traumatic occlusal force acting on a tooth with a healthy periodontium will likely cause:

19) The ultrasonic sealer only dislodges calculus that:

20) The radiographic findings of gingivitis will Demonstrate:

21) Root planning is:

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

23) Plaque Index was developed by:

24) A (universal) curet is called that because it:

25) Periodontal attachment loss measure clinically from:

26) Alterations of gingival contours are mostly Associated with:

27) Defensive delimiting connective tissue barrier reaction to gingival inflammation is reduced in deficiency of:

28) The major type of collagen associated with bone matrix is?

29) The ultrasonic tip should not be allowed to remain on the tooth surface too long because it will:

30) When bone is lost evenly and uniformly around several teeth it is referred to as:

31) If your patient has hypersensitive teeth or caries you should use:

32) Cementum that usually fills resorption lacunae:

33) Vitamin B deficiency results in:

34) Thoroughly dried supragingival calculus appears:

35) For complete removal of calculus on a proximal surface, strokes should be extended:

36) In CPITN:

37) Periostat is:

38) The reflection of light from the lingual aspect through the teeth as they are examined from the buccal aspect is called:

39) Gracey Curette N0.11-12 are used for:

40) The inactive osteoblasts are:

41) The mucogingival junction is located between the:

42) Which component of diet affects plaque composition ?

43) Kirkland and Orban knives are used for:

44) Sulcular fluid is:

45) Which of these collagen types are NOT found in the periodontal ligament?

46) Coupling phenomenon is:

47) The most effective and versatile instrument for root planing is the:

48) A conventional intraoral finger rest with a “built-up” fulcrum is difficult to establish in what region of the mouth?:

49) The narrowest zone of gingiva is found in the region of?

50) Reevaluation of the response to removal of local etiologic factors should be performed:

51) The best way to examine the dorsum of the tongue is to:

52) Anchoring fibrils are found?

53) A test that can be used for typing of class I histocompatibility antigens is:?

54) Which one for the following instruments is not used for subgingival scaling:

55) The most common presentation of CEJ is:

56) Pockets extending into areas of vertical bone loss are called:

57) Narrow “slit-like” areas of recession over the roots are called:

58) Greater occlusal pressure on the periodontium produces:

59) The lactoperoxidase thiocynate system present in saliva is against:?

60) Cementoenamel junction of the teeth is used as fived landmark for measuring the level of the periodontal attachment loss in:

61) The best grasp to use when holding an instrument to be sharpened is the:

62) The width of attached gingiva is the distance between:

63) Determination of the shape and extent of defects in the alveolar bone can be made by:

64) Calculus roughened by the file should be subsequently removed with the:

65) Which of the following is magnetized instrument?:

66) Failure of Hertwig’s epithelial root sheath to separate from the dentin surface during root development may give rise to which of the following anomalies?

67) A forcibly embedded tooth brush bristle may be retained in the gingival and cause:

68) The sequence in which quadrants or sextants are scaled in a series of appointments:

69) In a fully erupted tooth with healthy gingiva, the apical end of the junctional epithelium is located:

70) Select the most appropriate answer in pregnancy the severity of gingivitis starts increasing during:

71) Which of the following has the highest rate of desquamation (i.e. number of cells shed per unit surface area) ?

72) Classically the epithelial rete ridges show a saw tooth appearance, hyperkeratosis or parakeratosis, hydropic degeneration of basal layer and a dense band like infiltrate of Tlymphocytes microscopically in:

73) Most commonly used periodontal pack is/are:

74) Which of the following does not improve healing after periodontal treatment:

75) The mesial furcation of the upper molars is located:

76) A localised acute periodontal abscess:

77) Which of the following factors restricts the use of the file to supragingival areas or subgingival areas where the tissue is easily displaced?:

78) The most effective time to give plaque control instructions on any scaling appointment is:

79) Which of the following drugs has been shown to slow down the alveolar bone loss in periodontitis:

80) Which of the following antibiotics can concentrate at sites of periodontal inflammation:

81) The predominant inflammatory cell in early lesion:

82) Gingival Inflammation Involving the entire attached gingiva Is tarmodi :

83) A sludge of metal shavings and oil that develops on the face of the blade indicates that:

84) Incorrect adaptation of the tip as shown above would result in:

85) The best diagnostic sign of gingival inflammation is:

86) Which of the following fiber groups DO NOT contribute to tooth anchorage?

87) Microorganism which uses steroids as growth factor is:?

88) Implant surgery is done in:

89) The alveolus is lined with?

90) The primary function of the file is to :

91) In drug-induced gingival enlargement ,hyperplasia occurs in:

92) Signs of inflammation with probings that do not extend beyond the cementoenamel junction establish a diagnosis of:

93) Necrotizing ulcerative periodontitis?

94) Extraction of hopeless teeth is done in:

95) Bacteria in plaque are held together by:?

96) The amount of gingival crevicular fluid is:

97) If the probing pocket depth is 6mm and gingival recession is 2mm then the total clinical attachment loss is:

98) Furcation is best detected by which probe:

99) The characteristic of the instrument handle which provides the best tactile sensitivity is:

100) In maintainance phase of oral pemphigus, oral Prophlaxis should be preceeded by intake of:

101) Root planing reduces residual inflammation following subgingival scaling by:

102) The submandibular salivary glands are best examined by:

103) Which of the following organism’s role is decreased with age:

104) Which of the following best describes the histology of a predominantly resorbing bone surface?

105) Cases that show free gingival groove are:

106) Who described scaling of teeth with a sophisticated set of instruments in 10th century itself:

107) Periodontium include all of the following:?

108) Dcntogingival unit comprises:

109) The biofilms found on tooth surface are termed as:?

110) Hoes are most effectively used on:

111) All of the following are true about fibroblasts except:

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

113) Who was the first person to describe oral bacterial flora from a sample of material taken from his own gingival tissue:

114) Regional lymphnode enlargement is present in:

115) Under absolutely normal conditions,the depth gingival sulcus is about:

116) Periodontal attachment loss detect clinically:

117) Which of the following features of the ultrasonic scaling device does not contribute directly or indirectly to the impairment of tactile sensitivity? :

118) Prevalence of gingivitis increased during:

119) 21The periodontal pathogenicity of Actinobacillus Actonomycetemcomitans is primarily attributed to its Production of:

120) Drugs that are known to cause gingival overgrowth include:

121) In periodontal health:

122) Instrument used for crushing of subgingival calculus:

123) Average human biologic width is:

124) Which of the following is not included in the Green complex?:

125) Which of the following fiber group i.s not attached to alveolar bone :

126) Levi Spear Parmly is :

127) Although all of the following procedures may be necessary phases of periodontal therapy, which of these is absolutely essential for successful treatment and a favorable prognosis?:

128) Basal bone is not part of the periodontium, as it is located under the alveolar process that houses the dentition. Following completion of amelogenesis in humans, the anatomic crown is lined with a layer of reduced enamel epithelium. This layer is derived primarily from which of the following?

129) Which of the following is the method of transferring information in a biofilm ?

130) The cell rests of Malassez are?

131) The width of attached gingiva:

132) Synthetic resorbable suturing materials in periodontal surgery is:

133) Which of the following tissues is the MOST likely source of cementogenic cells in adults who have undergone root planing?

134) 15The main route of entry of leukocytes into oral Cavity is through:

135) Guided tissue regeneration (GTR):

136) McCall’s festoon is common in:

137) Chlorhexidine gluconate:

138) Cross-section of sickle scaler is:

139) False gingival enlargement is caused by:

140) In periodontal disease, ground substance is dissolved by:?

141) The distance between apical edge of calculus and bottom of the pocket is usually less than:

142) Anchorage of the tooth to the alveolar process is mediated through which of the following?

143) Which of the following is not a significant risk factor for periodontal disease:

144) A heavy ledge of calculus is most efficiently removed by e: edge of the ledge with which part of the cutting edge? :

145) A glycoprotein that promotes new attachment and increased cell proliferation is:?

146) 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:?

147) Does sub-gingival scaling alters the microflora of periodontal pocket?

148) Trauma from occlusion does not produce:

149) The main function of gingiva is :

150) Adhesion molecule present in cementum:

151) Before establishing a treatment plan for scaling and root planing it is essential to determine the:

152) All the following are phases of periodontal treatment plan except:?

153) Localized aggressive periodontitis is best treated in early stage by:

154) The lamina densa contains what type of collagen?

155) Which of the following statements is incorrect about pregnancy:

156) Periodontal destruction is considered moderate when:

157) 12Which of the following is absent in parakeratinized gingiva:

158) The explorer should be inserted with a:

159) According to the random burst model of periodontal disease progression:

160) The Basic Periodontal Examination (BPE):

161) Which of these cell combinations are responsible for the production of acellular extrinsic fiber cementum?

162) A good finger rest or hand rest must be located to allow:

163) Who was the first dentist to practiceonlyPeriodontitics:

164) Root planning is?

165) To position a curet for a vertical stroke on an anterior tooth, the handle of the instrument should be:

166) Which portion of the tooth germ is the primary source of the junctional epithelium?

167) Calculocementum is :

168) Crater-like deformities are seen in:

169) Which of the following is not true of the file?:

170) Which portion of the tooth germ is the primary source of the periodontal ligament?

171) Cellular cementum and compact bone contain 😕

172) Porphyromonas gingivdis:?

173) The area of periodontium more susceptible to tissue breadown is:

174) Drug induced gingival enlargement is more severe in:

175) With aging, the solubility of the collagen in gingival connective tissue:

176) The aim of root planing is to:

177) Mineralized plaque is:

178) Which of the following structures does not belong to the periodontal tissues?

179) A 27 years-old preswents to your office all of the following: loss of interdental and marginal stippling, blue-red tissue color, and bleeding upon gentle probing. Your Diagnosis is:?

180) Which of the following is not a gingival fiber group?

181) The most reliable means of detecting periodontal pockets:

182) In order to close the angulation of a curet blade in relation to the tooth surface, the shank must be moved:

183) A “heavy” set of curets should be reserved for patients with:

184) The antibiotic to which all strains of Actinobacillus are susceptible is:

185) Periodontitis is caused by:?

186) The straight sickle should not be used for removal of:

187) Horizontal bone loss is present in:

188) Leukotoxin are produced by which of the following periopathogens:

189) Gingiva is supplied by:

190) The increase in thickness of cementum with aging is greater:

191) The primary etiological factor in the development of furcation defect is:?

192) Stippling is seen in :

193) On lingual surfaces, proper working angulation is achieved by positioning the handle so that it is:

194) The principal connective tissue cells present in the periodontal ligament are:

195) Which one of the following species of Streptococci is usually not found in dental plaque?

196) Air is used to deflect the free gingival margin in order to detect:

197) After scaling with the ultrasonic sealer, when should you follow with the use of the curet?:

198) Junctional epithelium shows formation of reted pegs in:

199) If periodontal procedures have tobe carried out more than once, the minimum gap between two prophylactic antibiotic regimes in case of prophylaxis against SABE, should be:

200) The gram negative bacteria most numerous in oral cavity is:?

201) Polymorphonuclear leukocytes (neutrophils):

202) Powered toothbrushes:

203) Gingival basal lamina is permeable to:

204) The mobility of the teeth is graded 3 if:

205) Biofilm in general have:?

206) Transseptal fibers extend:

207) Intermediate cementum is found over the surface of :

208) Adequate stabilization for an extraoral hand rest can be achieved by keeping:

209) The best way to detect bony detects is:

210) Periodontal flap surgery:

211) Necrotising ulcerative gingivitis (NUG):

212) Furcation involvement is measured by:

213) The best diagnostic sign of gingival inflammation is:

214) Which of the following is more mineralzed?:

215) The initial colonisers in the dental plaque are: