Periodontology MCQs - Flap and Mucogingival Surgery

# Granulation tissue is replaced by connective tissue in:
A. 7 days
B. 14 days
C. 21 days
D. 1 month

# In guided tissue regeneration technique for root coverage, the titanium reinforced membrane was used to create space beneath the membrane by:
A. Tinti and Vincenzi
B. Pini Prato and Tonetti
C. Ramjford and Nissle
D. Widman and Cohen

# In peridontal flap, most important factor to be considered is:
A. Depth of the vestibule
B. Frenum attachment
C. Amount of attached gingiva
D. Free gingiva

# A split thickness flap is indicated when:
A. Osseous craters are present
B. Fenestrations and Dehiscence are suspected
C. Buttressing bone formation is present
D. Three walled osseous defects are encountered

# Which stage of cell can be inhibited by placing a barrier membrane?
A. Proliferative stage
B. Maturation stage
C. Inflammation stage
D. Migration stage

# Adult patient presents with broken crown fracture with respect to 24. After crown lengthening, Post and core followed by PFM crown is planned. On examination, the keratinized gingiva on buccal aspect of 24 is 2 mm. What should be done to accomplish crown lengthening?
A. Modified Widman flap
B. Periodontal flap with apical positioning of buccal gingiva
C. Gingivectomy
D. Gingivoplasty

# Following periodontal surgery, the epithelial attachment healing is completed in:
A. 2 weeks
B. 4 weeks
C. 6 weeks
D. 8 weeks

# Guided tissue regeneration should be performed:
A. After orthodontic therapy
B. Prior to orthodontic therapy
C. Simultaneously with orthodontic therapy
D. In the terminal stages of orthodontic therapy

# A lateral sliding flap done on a tooth with roots denuded for 6 years will show:
A. PDL fibers attached to cementum
B. PDL fibers attached to dentin
C. Epithelium adjacent to previously denuded root surface
D. Co-adaptation to the remaining fibers

# Frenectomy is a:
A. Gingival surgery
B. Plastic surgery
C. Osseous surgery
D. All of the above

# Which of the following is a mucogingival surgery?
A. Free gingival graft
B. Widman flap
C. Gingivectomy
D. Gingivoplasty

# Bilaminar technique can be used for:
A. One connective tissue graft and one coronally displaced graft
B. One free gingival graft and one coronally displaced graft
C. Free connective tissue graft and overlying pedicle graft
D. Two adjacent grafts taken to cover exposed graft

# Periodontal flap design of choice in regenerative surgery is:
A. Papilla preservation flap
B. Modified Widman flap
C. Apically displaced flap
D. Conventional flap

# Infra bony pockets are treated by:
A. Gingivectomy
B. Gingivoplasty
C. Flap operation
D. Vestibuloplasty

# Edian Majehar's technique is used:
A. To correct the denuded root surface
B. To eliminate true pocket
C. To increase the depth of vestibule
D. To gain new attachment

# Which is true about mucogingival flap designs?
A. Flap should be wider at the base
B. Flap should be narrower at the base
C. Flap margins should not rest on bone
D. Mucogingival flaps should be avoided

# It is most difficult to perform apically positioned flap procedure in:
A. Facial surface of incisors
B. Lingual surface of incisors
C. Facial surface of third molars
D. Lingual surface of third molars

# True about apically positioned flap:
A. Reduces the width of attached gingiva
B. Can be used for pocket eradication
C. Not indicated for use in crown lengthening
D. All of the above are false

# The strip technique which is a variant of free gingival graft was developed by:
A. Rateit-Schak et. al
B. Han et. al
C. Edel et. al
D. Bjorn et. al

# The adaptation stage of a pedicle soft tissue graft takes:
A. 0-3 days
B. 1-3 days
C. 0-4 days
D. 1-2 days

# A coronally positioned pedicle graft is used when a single tooth exhibits gingival recession and:
A. Bleeding
B. Pus discharge
C. Irreversible pulpitis
D. Sensitivity

# In a crown lengthening procedure, it is recommended that:
A. 2 mm be preserved between gingival margin and bone crest
B. 3 mm be preserved between gingival margin and bone crest
C. 4 mm be preserved between gingival margin and bone crest
D. 1 mm be preserved between gingival margin and bone crest

# Which of the following is not a resective surgery?
A. Root resection
B. Tunnel preparation
C. Barrier membranes
D. Furcation plasty

# GTR is related to:
A. Gingivoplasty
B. Frenectomy
C. Mucogingival surgery
D. Gingivectomy

# Periodontal dressings are usually kept in place:
A. Mechanically
B. Chemically
C. Both of the above
D. None of the above

# The tissue preferred for free gingival graft in order of preference is:
A. Alveolar mucosa
B. Attached gingiva
C. Edentulous mucosa
D. Unattached gingiva

# Following periodontal surgery, tooth mobility diminishes to pretreatment levels by:
A. First week
B. Second week
C. Third week
D. Fourth week

# The success of a free gingival graft procedure depends upon which of the following?
A. the graft being immobilized at the recipient site
B. the donor tissue being as thick as possible and containing periosteum
C. A thick bloot clot remaining between the recipient and donor tissue
D. Periosteal fenestration being present

# Lateral repositioning flap is done for:
A. Gingival recession
B. High frenal attachment
C. Increasing the width of attached gingiva
D. Shallow vestibule

# After reflection of full thickness flap, post surgical alveolar bone loss is greatest at:
A. Thin facial margin
B. Thick lingual margin
C. Interproximal bone
D. No bone loss at all

# In modified Widman flap:
A. Internal bevel incision is the last incision
B. Interdental papilla is eliminated
C. Posterior areas are difficult to access
D. Crevicular incision is made from the base of the pocket to the bone

# If pretreatment pocket depth is X mm and width of the attached gingiva is Y mm, what will be the width of the attached gingiva after treatment?
A. X+Y
B. X+2Y
C. X/2+Y
D. X+Y/2

# Following full thickness flap surgery, osteoclastic resorption reaches peak in:
A. 1-3 days
B. 4-6 days
C. 1-3 weeks
D. 4-6 weeks

# Which suture technique will be preferred for a patient who has undergone procedure for closure of midline diastema and three walled defect in relation to central incisor by reconstruction graft?
A. Horizontal mattress monofilaent suture
B. Horizontal mattress multifilament suture
C. Vertical mattress monofilament suture
D. Vertical mattress multifilament suture

# Which of the following is the second step in osseous resective surgery?
A. Vertical grooving
B. Radicular blending
C. Gradualizing marginal bone
D. Flattening of interproximal bone

# In a free gingival graft, what happens to the epithelium of the graft?
A. It remains as such
B. It proliferates
C. It degenerates
D. It has to be removed by the surgeon on next visit

# In a heart patient with replaced valves, a periodontal surgery is planned only for gingival tissue then:
A. No need of an antibiotic
B. Should not be planned
C. Antibiotic coverage is required
D. 0.2% Chlorhexidine mouthwash is sufficient

# The common goal of all periodontal flap procedures is to:
A. Correct mucogingival inadequacies
B. Remove diseased granulation tissue
C. Provide access for instrumentation
D. Add bone support where it has been lost

# False about pericision procedure:
A. Performed prior to orthodontic treatment
B. Also known as circumferential supracrestal fibrotomy
C. Involves cutting of interdental and dentogingival fibers around cervical region of tooth
D. May reduce the amount of rotational relapse by upto 30%, with no adverse effects on the health of the periodontal ligament

# Periodontal surgery is best performed:
A. 4 weeks after completion of the hygienic phase
B. 8 weeks after completion of the restorative phase
C. 4 weeks before completion of occlusal adjustments
D. Immediately after the completion of the hygienic phase

# Recommended stabilization period after supracrestal fibrotomy:
A. 10 weeks
B. 12 weeks
C. 24 weeks
D. 26 weeks

# Placement of graft will be failure in which class of recession?
A. Class I
B. Class II
C. Class III
D. Class IV

# An apically repositioned flap:
A. Does not preserve the attached gingiva
B. Does not increase the length of clinical crown
C. Is the procedure of choice for palatal pockets
D. Is a pocket elimination procedure

# All of the following factors are considered in crown lengthening EXCEPT:
A. Extent of the defect
B. Root form in posterior teeth
C. Root length under gingiva
D. Effect on other teeth