Part 2 61-120

61. Which of the following about conventional gingivectomy is untrue?

Eliminate false pockets

Heal by secondary intention

Leads to decrease in width of attached gingiva

Provides accessibility to alveolar bone

62. The reshaping process of gingiva in the absence of periodontal pocket is?

Curettage

Gingivoplasty

Gingivectomy

Flap operation

63. Gingivoplasty is more likely to be useful in?

ANUG

Juvenile periodontitis

Desquamative gingivitis

All of the above

64. Gingivectomy is done with ?

Kirkland knife

Potassium hydroxide

Electrosurgery

All of the above

65. After gingivectomy complete repair of connective tissue occur in?

One week

1-2 weeks

2-3 weeks

5-7 weeks

66. Periodontal surgery may accomplish?

Regeneration of bone

Regeneration of cementum

Stabilization of a tooth

Elimination of pocket

67. Which of the following is most appropriate for l of therapy if periodontal surgery is needed in? Mandibular anterior region

Gingivectomy

Subgingival curratage

Apically displaced flap

Periodontal flap for access

68. Which one of the following clinical findings has greatest effect on the type of incision to be given?

Frenum attachment

Amount of attached gingiva

Depth of the vestibule

Probing depth

69. During pocket elimination by reflecting flap the incision which removes pocket lining is?

Internal bevel or first incision

Second incisors (or) crevicular incision

Third incision

All of the above

70. Which of the incisions is not followed in periodontal flap surgeries?

Crevicular

Interdental

Internal bevel

External bevel

71. If periodontal surgery is necessary in case of horizontal of the following procedures is the most appropriate?

Papilla preservation flap

Widman flap

Coronally displaced flap

Gingivectomy

72. Which of the following flap techniques does not eliminate pocket depth and hence cannot increase the width of keratinised gingiva?

Modified Widman flap

Undisplaced flap

Apicaliy displaced flap

All of the above

73. The term gingival ablation indicates?

Gingival recession due to faulty tooth brushing

Gingival recession accentuated by prominent palatal root

Gingival recession due to friction from hard root

Gingival recession due to friction from soft tissue

74. Flaps that accomplish the double objectives of pocket elimination and increasing the width of attached gingiva is?

Unrepositioned (undisplaced) flap

Apical displaced flap

Laterally displaced flap

Coronally displaced flap

75. All are true of apically positioned flap except?

Increases clinical crown length

Preserves the width of attached gingiva

Eliminates pockets

More commonly done on palatal side

76. If pre-treatment pocket depth is 6 mm and width of attached gingiva is 2 mm, what will be the estimated width of attached gingiva after treatment?

2 mm

4 mm

5 mm

6 mm

77. The outcome of results of laterally positioned flap depends on?

Presence of sufficient bone support at donor site

Thickness of attached gingiva at donor site

Width of attached gingiva at donor site

All of the above

78. Which of the following tis graft on denuded root surface?

Periodontal fibres from graft penetrating cementum of recipient site

Intermingling of fibres from recipient and donor sites

Epithelium of previously denuded root surface began to grow over

All of the above

79. All of the following are contraindications for lateral sliding graft except?

Labile prominent roots

Shallow vestibule

Inadequate thickness of attached gingiva at donor site

Ultra thin recipient tissue

80. Which of the following procedures does not increase the width of attached gingiva?

Coronally displaced flap

Free gingival autograft

Undisplaced flap

Pedicle graft

81. Subepithelial connective tissue graft was described by?

Langer and Langer 0

Steven Kwall

Sullivan and Atkins

Edel

82. Free gingival graft usually placed on?

Periosteum

Directly on bone

Attached gingiva

Movable gingiva

83. After placement of a free gingival graft first it undergoes?

Metaplasia

Hyperplasia

Degeneration

Dysplasia

84. Success of a free gingival graft depends on?

Proper immobilisation of graft at recipient site

Donor tissue being as thick as possible

Presence of blood clot on recipient bed site

All of the above

85. After reflection of full thickness graft, post-surgical alveolar bone loss is greatest at?

Thin facial margin

Thick lingual margin

Interproximal bone

No bone loss at all

86. Vasculisation of healing of graft (Functional integration of graft) occurs after occur with in?

1-2 weeks

2-5 weeks

10-19 weeks

16-20 week

87. Isolated recession on a labially prominent upper canine is noted Examination revealed of keratinised gingiva in that area and the vestibule is shallow. The best method to create zone of attached gingiva in this case ?

Free pedicle graft

Lateral sliding graft

Apically positioned flap

Coronally displaced flap

88. All of the following are define indications of mucogingival surgeries (periodontal plastic surgeries’ axsapft?

Three-wall bony defect

Insufficient width of attached gingiva to mucogingival line

High frenal pull on gingival margins

Localised gingival recession extending

89. Langer technique is used in?

Subepithelial connective tissue grafts

Free soft tissue autografts

Fenestration operation

Vestibular extension operation

90. Vestibular extension procedure results in?

Increase in width of keratinised attached gingiva

Decrease in width of keratinised attached gingiva

Increase in width of non-keratinised attached gingiva

Decrease in width of non-keratinised attached gingiva

91. The best way to prevent exposure of dehiscence during surgical procedure is to?

Elevate a double flap

Elevate full thickness flap

Elevate partial thickness flap

Elevate coronally repositioned flap

92. A suturing needle used in peroiodontal surery should have?

A swedged suture needle

Have rounded point

Have double cutting edge

All of the above

93. Type of suture recommended for apical?

Anchor suture

Figure eight suture

Horizontal mattress suture

Continuous sling suture

94. Surgicial lengthening is indicated when?

Subgingival caries or fracture

Inadequate clinical crown length for retention

Unequal or unesthetic gingival height

All the above

95. Reattachment procedures most commonly?

Reduce pocket depth by reattaching periodontal connective tissue fibers

Usually heal by secondary intention

Not indicated where aesthetics is a prime consideration

Reduce pocket depth by formation of long junctional epithelium

96. Embedding of new periodontal ligament fibers into new cementum and the attachment of new gingiva! Epitheiim to a tooth surface previously denuded by disease is called?

Reattachment

Epithelial adaptation

Long junctional epithelium

New attachment

97. According to Melcher concept, the regeneration of new attachment is from?

Periodontal ligament

Gingival connective tissue

Alveolar bone

Junctionai epithelium

98. Fibronectin is used in periodontal therapy as?

Growth factor

Bone graft

Biomodification of root surface

GTR membrane

99. The following most frequently forms at tooth-tissue interface following flap surgery or curettage?

Scar formation

Adhesion of collagen fibres

Long junctionai epithelium

Collagen fibres parallel to root surface

100. The purpose of guided tissue regeneration is?

Prevention of epithelial migration

Elimination of junctional and pocket epithelium

Complete removal of all irritants

Careful curettage of the pocket wall surface

101. Biobrane is a commercially available?

Root matrix protein

Biodegradable membrane

Bone graft material

Non-bone graft material

102. In which of the following procedures, periodontal pack is not given?

Gingivectomy

GTR procedures without osseous transplants

Osteoplasty procedure

Osteoimplants with reattachment procedures

103. The only valid method to assess periodontal regeneration is?

Radiographic analysis

Clinical attachment level

Reentry operation

Histologic analysis

104. Glickman classified furcation involvement into 4 grades based on?

Horizontal measurement of attachment loss

Vertical measurement of attachment loss

Both

None

105. The primary aetiologic factor in the development of furcation defect is?

Calculus

Plaque

Cemental caries

Root infection

106. Root commonly removed in maxillary first molar during hemisection or root section is?

Palatal

Distobuccal

Mesiobuccal

None of the above

107. Commonly involved tooth with furcatin involvement is?

Mandibular first permanent molar

Maxillary first permanent molar

Maxillary first permanent premolar

Mandibular first permanent premolar

108. What is the most advantage of full thickness flap when compared to a partial thickness flap?

Cortical bone is exposed

Easier to do flap raising

Less chance of flap laceration

Easier to suture

109. What is the basic principle of intra-oral suturing?

111. What kind of tissues should compose of Full Thickness Flap?

110. What is the most common indication for Coronally Positioned Flap?

112. What is the main indication for using a Sling Suture?

When only buccal flap is elevated

When buccal and lingual flaps are elevated

When buccal and palatal flap are elevated

All of the above

Non of the above

113. What are common indications for Apically Positioned Flap?

114. What are advantages of a positive knot when compared to a negative knot?

115. What kind of tissues should compose a Partial Thickness Flap?

116. Where should releasing incisions be placed?

117. What is (are) the most important anatomical structures to be respected during surgery?

118. What immunologic cells are typically found in the healthy periodontium?

Polymorphonuclear neutrophils (PMNs), mast cells, macrophages

T-cell, Plasma cell and B cell

polymorphonuclear neutrophils and Plasma cell

polymorphonuclear neutrophils (PMNs), mast cells, T cell and B cell

119. Which bony defect is most likely to repair or fill naturally after treatment?

Three-wall periodontal defects

Two wall periodontal defects

One wall Periodontal defects

All above are repaired or filled naturally after treatment

120. What bacteria are associated with ANUG?

Fff.fusospirochetal complex (fusiform bacteria and spirochetes).

P. gingivalis

Actinobacillus actinomycetemcomitans,

Fusobacterium nucleatum and Prevetella intermedia,

Part 2 61-120

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