Relative Composition of Fibrous Connective and Fatty/Glandular Tissue in Connective Tissue Grafts Depends on the Harvesting Technique but not the Donor Site of the Hard Palate

Bertl, Kristina; Pifl, Markus; Hirtler, Lena; Rendl, Barbara; Nürnberger, Sylvia; Stavropoulos, Andreas; Ulm, Christian

doi:10.1902/jop.2015.150346

Cited by 62 publications

(111 citation statements)

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“…Interestingly, the most noticeable differences between both groups were observed from 5 to 7 mm apical to the healing abutment favouring TG. This outcome could be expected, as it is known from histological studies (Bertl et al., ; Yu et al., ) that the closest area to the palatal gingival margin contains higher amounts of lamina propria compared to more apical areas which seem to contain more glandular and fatty tissue. In contrast, TA appears to contain more lamina propria in its whole dimension.…”

Section: Discussionmentioning

confidence: 73%

Soft tissue volume gain around dental implants using autogenous subepithelial connective tissue grafts harvested from the lateral palate or tuberosity area. A randomized controlled clinical study

Rojo

Stroppa

Sanz‐Martín

et al. 2018

J Clinic Periodontology

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Section: Discussionmentioning

confidence: 73%

Soft tissue volume gain around dental implants using autogenous subepithelial connective tissue grafts harvested from the lateral palate or tuberosity area. A randomized controlled clinical study

Rojo

Stroppa

Sanz‐Martín

et al. 2018

J Clinic Periodontology

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“…15 The authors suggested that the FGGT approach can be performed regardless of fibromucosa thickness and that the quality of the DeCTG may be superior than a SCTG which is harvested deeper and contains less lamina propria and more fatty and glandular tissue. 15,26 Despite its clinical significance remains unknown, it has been shown that DeCTG may include epithelial remnants. 27 In the literature, however, whether one harvesting technique is superior to the other, remains controversial and their comparison has always been investigated in terms of postoperative morbidity or root coverage outcomes.…”

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confidence: 99%

The influence of palatal harvesting technique on the donor site vascular injury: A split‐mouth comparative cadaver study

Tavelli

Barootchi

Namazi

et al. 2019

Journal of Periodontology

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Background The aim of this study was to evaluate the influence of two harvesting approaches on the donor site vascular injury. Methods A split‐mouth cadaver study was designed on 21 fresh donor heads. Every hemi‐palate was assigned to receive the trap‐door harvesting technique (TDT) or the epithelialized free gingival graft harvesting technique (FGGT). A soft tissue graft was harvested from each side for histology analyses. Betadine solution was used to inject the external carotid artery and a collagen sponge was positioned over the harvested area to compare the amount of “leakage.” Results The mean leakage observed was 16.56 ± 3.01 µL in the FGGT‐harvested sites, and 69.21 ± 7.08 µL for the TDT group, a ratio of 4.18 (P < 0.01). Regression analyses demonstrated a trend for more leakage at thinner palatal sites for the FGGT group (P = 0.09), and a statistically significant correlation for the TDT‐harvest sites (P = 0.02). Additionally, a shallow palatal vault height (PVH) was associated with a higher leakage in both harvesting groups (P = 0.02). The histomorphometric analyses revealed that grafts harvested with TDT exhibited a significantly higher mean number of medium (ø = 0.1 to 0.5 mm, P = 0.03), and large vessels (ø ≥ 0.5 mm, P = 0.02). Conclusions Within the limitations of the present research, the TDT resulted in a significantly higher leakage than the FGGT, which was also correlated with the histology analyses where a greater number of medium and large vessels were observed in the harvested grafts.

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“…An RCT in 2010 compared root coverage outcomes of CTG obtained by the trapdoor approach with CTG obtained by de-epithelization of FGG (12). There were Yoshino et al: CO 2 Laser De-epithelization for SCTG 871 (13). They concluded de-epithelialization harvested CTG contains much higher amounts of connective tissue and much lower amounts of fatty/glandular tissue than CTG harvested with split-flap preparation.…”

Section: Discussionmentioning

confidence: 99%

CO₂ Laser De-epithelization Technique for Subepithelial Connective Tissue Graft: A Study of 21 Recessions

Yoshino

Hasuike

Sanjo³

et al. 2020

In Vivo

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Background/Aim: To report cases in which we achieved sufficient width of the keratinized gingiva using a coronally advanced flap in combination with a subepithelial connective tissue graft (SCTG) obtained by the 'CO 2 laser de-epithelization technique' (CODE). Patients and Methods: Eleven patients with 21 Miller Class I, II, and III gingival recessions had surgery. To prepare SCTG, free gingival grafts were harvested and de-epithelialized extra-orally. Deepithelialization was conducted by irradiation of CO 2 laser. Postoperative examinations were performed at 12 months. Results: At 12 months, statistically highly significant root coverage was achieved in all recessions. Complete root coverage was obtained in 7 of the 21 recessions. The treatment yielded mean root coverage of 41.0%, and was associated with a mean gain of keratinized gingiva of 2.9±0.3 mm. Conclusion: The use of CODE allows harvesting grafts of excellent quality and quantity and increases the keratinization of the overlying mucosal epithelium.

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Relative Composition of Fibrous Connective and Fatty/Glandular Tissue in Connective Tissue Grafts Depends on the Harvesting Technique but not the Donor Site of the Hard Palate

Abstract: Despite high interindividual variability in terms of relative tissue composition in the hard palate, DE-harvested CTG contains much larger amounts of CT and much lower amounts of FGT than SF-harvested CTG, irrespective of the harvesting site.

Cited by 62 publications

References 28 publications

Soft tissue volume gain around dental implants using autogenous subepithelial connective tissue grafts harvested from the lateral palate or tuberosity area. A randomized controlled clinical study

Soft tissue volume gain around dental implants using autogenous subepithelial connective tissue grafts harvested from the lateral palate or tuberosity area. A randomized controlled clinical study

The influence of palatal harvesting technique on the donor site vascular injury: A split‐mouth comparative cadaver study

CO₂ Laser De-epithelization Technique for Subepithelial Connective Tissue Graft: A Study of 21 Recessions

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Relative Composition of Fibrous Connective and Fatty/Glandular Tissue in Connective Tissue Grafts Depends on the Harvesting Technique but not the Donor Site of the Hard Palate

Abstract: Despite high interindividual variability in terms of relative tissue composition in the hard palate, DE-harvested CTG contains much larger amounts of CT and much lower amounts of FGT than SF-harvested CTG, irrespective of the harvesting site.

Cited by 62 publications

References 28 publications

Soft tissue volume gain around dental implants using autogenous subepithelial connective tissue grafts harvested from the lateral palate or tuberosity area. A randomized controlled clinical study

Soft tissue volume gain around dental implants using autogenous subepithelial connective tissue grafts harvested from the lateral palate or tuberosity area. A randomized controlled clinical study

The influence of palatal harvesting technique on the donor site vascular injury: A split‐mouth comparative cadaver study

CO2 Laser De-epithelization Technique for Subepithelial Connective Tissue Graft: A Study of 21 Recessions

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CO₂ Laser De-epithelization Technique for Subepithelial Connective Tissue Graft: A Study of 21 Recessions