Gingival Recession and Grafting Procedures
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Questions and Answers

What is the primary goal of apically positioned flap elevation in treating gingival recession?

  • To improve blood supply to the graft
  • To reduce bone resorption
  • To increase the width of keratinized gingiva (correct)
  • To create a donor site for subsequent grafting

Which type of graft remains connected to the donor site after placement on the recipient bed?

  • Subepithelial CT graft
  • Allogenic graft
  • Free gingival graft
  • Pedicle graft (correct)

What is the typical contraction rate of a free gingival graft during the healing process?

  • 20% contraction
  • 30% contraction
  • 75% contraction
  • 50% contraction (correct)

What is the purpose of creating a partial thickness flap in the recipient site during free gingival grafting?

<p>To create a firm CT bed for the graft (C)</p> Signup and view all the answers

What is the main disadvantage of apically positioned flap elevation?

<p>Bone resorption (A)</p> Signup and view all the answers

What is the primary advantage of pedicle grafts over free gingival grafts?

<p>Better blood supply (A)</p> Signup and view all the answers

What is the primary advantage of using a semilunar coronally positioned flap in root coverage pedicle grafts?

<p>It does not disturb the adjacent papillae (D)</p> Signup and view all the answers

In which case is a double-step procedure necessary for root coverage pedicle grafts?

<p>When there is an insufficient zone of keratinized gingiva (D)</p> Signup and view all the answers

What is the purpose of the 2-3 mm of connective tissue bed in a free gingival graft?

<p>To allow for graft vascular supply (C)</p> Signup and view all the answers

What is the primary indication for a laterally positioned flap in root coverage pedicle grafts?

<p>Narrow recession with adequate interdental bone height (B)</p> Signup and view all the answers

What is the advantage of using a subepithelial connective tissue graft?

<p>It provides a better color match and esthetics (C)</p> Signup and view all the answers

What is the disadvantage of a double papilla flap in root coverage pedicle grafts?

<p>Suturing the two flaps over the root surface (A)</p> Signup and view all the answers

What is the primary disadvantage of using a free gingival graft?

<p>Color mismatch (B)</p> Signup and view all the answers

What is the purpose of a coronally positioned flap in root coverage pedicle grafts?

<p>To position a split-thickness flap coronally to cover the root (A)</p> Signup and view all the answers

What is the primary advantage of using a coronally positioned flap in root coverage pedicle grafts?

<p>It allows for a single-step procedure (D)</p> Signup and view all the answers

What is the characteristic of an epithelialized graft?

<p>It is a free gingival graft (B)</p> Signup and view all the answers

What is the advantage of a laterally positioned flap in root coverage pedicle grafts?

<p>It has sufficient blood supply and color blend is excellent (D)</p> Signup and view all the answers

What is the indication for a double papilla flap in root coverage pedicle grafts?

<p>Wide interdental papilla adjacent to the recession (B)</p> Signup and view all the answers

What is the most common site for harvesting subepithelial connective tissue grafts?

<p>Maxillary premolars and 1st molar area (D)</p> Signup and view all the answers

Which of the following grafts is positioned laterally to cover the root?

<p>Pedicle graft (D)</p> Signup and view all the answers

What is the name of the flap used to cover the root, which involves repositioning the flap coronally?

<p>Coronally advanced flap (C)</p> Signup and view all the answers

What is the name of the grafting procedure that involves harvesting gingiva from the palate?

<p>Free gingival graft (B)</p> Signup and view all the answers

Which classification system is used to classify gingival recession?

<p>Miller's Classification (D)</p> Signup and view all the answers

What is the name of the flap that involves reflecting the flap apically to cover the root?

<p>Apically positioned flap (B)</p> Signup and view all the answers

What is the primary indication for root coverage in cases of gingival recession?

<p>Esthetic demand and root sensitivity (D)</p> Signup and view all the answers

What is the critical thickness of a free gingival graft to ensure proper survival and avoid graft necrosis?

<p>1.5-2 mm (B)</p> Signup and view all the answers

In the Miller classification, which class of gingival recession is expected to have only partial root coverage?

<p>Class III and IV (A)</p> Signup and view all the answers

What is the primary objective of root surface treatment in root coverage?

<p>To remove the smear layer and promote new fibrous attachment (C)</p> Signup and view all the answers

During the healing process of a free gingival graft, what is the critical phase that determines the graft's survival?

<p>Initial phase (0-3 days) (A)</p> Signup and view all the answers

What is the purpose of creating a foil template during the grafting procedure?

<p>To determine the proper graft thickness (C)</p> Signup and view all the answers

What is the primary goal of crown lengthening in excessive gingival display?

<p>To expose the anatomical crown (D)</p> Signup and view all the answers

What is the minimum amount of keratinized marginal tissue required after anatomical crown exposure?

<p>3 mm (C)</p> Signup and view all the answers

Which type of crown lengthening procedure is indicated when there is inadequate keratinized tissue and osseous recontouring is needed?

<p>Apically positioned flap (A)</p> Signup and view all the answers

What is the primary consideration for choosing a crown lengthening procedure?

<p>All of the above (D)</p> Signup and view all the answers

Which type of crown lengthening procedure is contraindicated for a single tooth in the esthetic zone?

<p>All of the above (D)</p> Signup and view all the answers

What is the purpose of a reverse bevel incision in apically positioned flap?

<p>To facilitate flap elevation (A)</p> Signup and view all the answers

Which type of crown lengthening procedure is indicated when there is thick gingival phenotype and no need for osseous contouring?

<p>Gingivectomy (D)</p> Signup and view all the answers

What is the primary advantage of crown lengthening over other treatment modalities?

<p>Improved esthetics (A)</p> Signup and view all the answers

What is the critical factor in determining the choice of crown lengthening procedure?

<p>Need for osseous recontouring (D)</p> Signup and view all the answers

What is the primary goal of esthetic crown lengthening procedures?

<p>To obtain esthetic harmony by leveling and aligning gingival margins and crowns (A)</p> Signup and view all the answers

What is the primary cause of excessive gingival display?

<p>All of the above (D)</p> Signup and view all the answers

Which procedure is used to level and align gingival margins and crowns without fibrotomy?

<p>Forced tooth eruption (C)</p> Signup and view all the answers

What is the primary objective of interdental papilla reconstruction?

<p>To reconstruct the lost interdental papilla (A)</p> Signup and view all the answers

Which chapter in Carranza's Clinical Periodontology covers esthetic crown lengthening procedures?

<p>Chapter 58 (C)</p> Signup and view all the answers

What is the primary goal of ridge augmentation and correction of ridge defects?

<p>To prevent post-extraction soft tissue collapse (A)</p> Signup and view all the answers

Which procedure is used to prevent deformed edentulous ridges?

<p>Ridge augmentation (A)</p> Signup and view all the answers

What is the primary indication for esthetic crown lengthening procedures?

<p>All of the above (D)</p> Signup and view all the answers

Which classification system is used for interdental papilla reconstruction?

<p>Classification for interdental papilla (D)</p> Signup and view all the answers

What is the main advantage of using forced tooth eruption with fiberotomy in crown lengthening procedures?

<p>It prevents crestal bone from following the root in a coronal direction (D)</p> Signup and view all the answers

What is the primary indication for using forced tooth eruption without fiberotomy in crown lengthening procedures?

<p>To reduce pocket depth at sites with angular bony defects (C)</p> Signup and view all the answers

What is the outcome of crown lengthening with forced tooth eruption when the tooth reaches the intended position?

<p>The tooth is stabilized and the full-thickness flap and bone recontouring are performed (B)</p> Signup and view all the answers

What is the purpose of severing the supracrestal CT fibers during forced tooth eruption with fiberotomy?

<p>To prevent crestal bone from following the root in a coronal direction (A)</p> Signup and view all the answers

How often is the fiberotomy procedure typically performed during forced tooth eruption with fiberotomy?

<p>At 7–10 day intervals (A)</p> Signup and view all the answers

What is the characteristic of the tooth–gingiva interface at adjacent teeth after forced tooth eruption with fiberotomy?

<p>It is unchanged (C)</p> Signup and view all the answers

What is the primary advantage of using forced tooth eruption for crown lengthening procedures?

<p>It preserves the bone and soft tissue level of adjacent teeth for esthetic reasons (D)</p> Signup and view all the answers

What is the outcome of forced tooth eruption when the tooth is extruded a distance equal to or slightly longer than the portion of sound tooth structure?

<p>The tooth is stabilized and the full-thickness flap and bone recontouring are performed (A)</p> Signup and view all the answers

What is the purpose of recontouring the bone during forced tooth eruption procedures?

<p>To expose sound root structure (A)</p> Signup and view all the answers

What is the primary goal of esthetic crown lengthening procedures?

<p>To obtain esthetic harmony (A)</p> Signup and view all the answers

What is the primary cause of excessive gingival display?

<p>Short clinical crowns (B)</p> Signup and view all the answers

Which procedure is used to level and align gingival margins and the crowns of teeth without fibrotomy?

<p>Forced tooth eruption (D)</p> Signup and view all the answers

What is the primary objective of interdental papilla reconstruction?

<p>To reconstruct the interdental papilla (D)</p> Signup and view all the answers

What is the primary goal of ridge augmentation and correction of ridge defects?

<p>To prevent post-extraction soft tissue collapse (A)</p> Signup and view all the answers

Which chapter in Carranza's Clinical Periodontology covers esthetic crown lengthening procedures?

<p>Chapter 58 (C)</p> Signup and view all the answers

What is the primary indication for using forced tooth eruption without fiberotomy in crown lengthening procedures?

<p>When there is excessive gingival display (B)</p> Signup and view all the answers

Which classification system is used for interdental papilla reconstruction?

<p>Interdental papilla classification (B)</p> Signup and view all the answers

What is the primary advantage of using forced tooth eruption with fiberotomy in crown lengthening procedures?

<p>It is more predictable than other procedures (D)</p> Signup and view all the answers

What is the primary goal of forced tooth eruption with fiberotomy in crown lengthening procedures?

<p>To prevent crestal bone from following the root in a coronal direction (C)</p> Signup and view all the answers

What is the main advantage of using forced tooth eruption over other crown lengthening procedures?

<p>It preserves the adjacent teeth's gingival margin (D)</p> Signup and view all the answers

What is the purpose of stabilizing the tooth in its intended position in forced tooth eruption?

<p>To prevent the tooth from moving back to its original position (B)</p> Signup and view all the answers

What is the result of forced tooth eruption with fiberotomy on the tooth-gingiva interface of adjacent teeth?

<p>It is unaltered and preserved at its pretreatment location (C)</p> Signup and view all the answers

What is the primary indication for using forced tooth eruption without fiberotomy in crown lengthening procedures?

<p>For reducing pocket depth at sites with angular bony defects (B)</p> Signup and view all the answers

What is the purpose of severing the supracrestal CT fibers in forced tooth eruption with fiberotomy?

<p>To prevent crestal bone from following the root in a coronal direction (B)</p> Signup and view all the answers

How often is the scalpel used to sever the supracrestal CT fibers in forced tooth eruption with fiberotomy?

<p>At 7-10 day intervals (C)</p> Signup and view all the answers

What is the result of forced tooth eruption on the amount of sound root structure exposed?

<p>It is equal to the portion of sound tooth structure that will be exposed in the subsequent surgical treatment (A)</p> Signup and view all the answers

What is the primary goal of crown lengthening procedures in cases of excessive gingival display?

<p>To improve esthetic results by altering the gingival display (D)</p> Signup and view all the answers

What is the primary consideration for choosing a crown lengthening procedure?

<p>All of the above (D)</p> Signup and view all the answers

What is the minimum amount of keratinized marginal tissue required after anatomical crown exposure?

<p>3mm (B)</p> Signup and view all the answers

What is the indication for gingivectomy (internal bevel) in crown lengthening?

<p>Adequate zone of keratinized gingiva and no need for osseous contouring (B)</p> Signup and view all the answers

What is the purpose of a reverse bevel incision in apically positioned flap?

<p>To recontour the alveolar bone crest (A)</p> Signup and view all the answers

What is the contraindication for crown lengthening of a single tooth in the esthetic zone?

<p>Crown lengthening of a single tooth in the esthetic zone (D)</p> Signup and view all the answers

What is the primary goal of crown lengthening in excessive gingival display?

<p>To expose the anatomical crown (A)</p> Signup and view all the answers

What is the indication for apically positioned flap in crown lengthening?

<p>Inadequate keratinized tissue and need for osseous recontouring (A)</p> Signup and view all the answers

What is the advantage of gingivectomy (internal bevel) over apically positioned flap?

<p>No need for osseous recontouring (B)</p> Signup and view all the answers

What is the primary cause of excessive gingival display?

<p>All of the above (D)</p> Signup and view all the answers

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