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Background:
Sufficient keratinized soft tissues are key for the long-term stability of dental implants. Clinical studies have revealed that peri-implant gingival plaque index may be increased when there is lack of sufficient keratinized tissues. Both free gingival graft (FGG) and subepithelial connective tissue graft (SCTG) can be utilized for increasing the width of keratinized peri-implant soft tissues. However, there is a paucity of clinical studies that compare the clinical results of these two grafts.
Aim/Hypothesis:
The aim of this study is to compare the clinical outcomes of free gingival graft and subepithelial connective tissue graft for increasing the keratinized peri-implant tissues.
Material and Methods:
A total of 13 patients with 27 implants with less than 2mm keratinized tissues around implants were included in this study. 17 patients received free gingival graft and 10 patients received subepithelial connective graft to augment the keratinized tissues. The width of the keratinized tissue of buccal site of implants were measured by periodontal probe at different timelines: before surgery (T0), right after surgery (T1), and crown delivery (T2). Mann-Whitney test was used to compare the difference of these two groups.
Results:
In the group of FGG, the average width of keratinized tissue was 0.38+0.6mm, 5.09+1.95mm, 4.88+2.06mm at T0, T1, and T2 respectively. In the group of SCTG, the average width of keratinized tissue was 1.3+0.35mm, 5.3+1.27mm, 3.5+1.03mm at T0, T1, and T2 respectively. The amount of increased width was 4.22+2.24mm for FGG and 2.2+0.79mm for SCTG. The difference was statistically significant (p<0.05).
Conclusions and clinical implications:
Both FGG and SCTG achieved at increasing the width of keratinized peri-implant soft tissues. However, the amount of augmentation was greater in the FGG group.
Background:
Sufficient keratinized soft tissues are key for the long-term stability of dental implants. Clinical studies have revealed that peri-implant gingival plaque index may be increased when there is lack of sufficient keratinized tissues. Both free gingival graft (FGG) and subepithelial connective tissue graft (SCTG) can be utilized for increasing the width of keratinized peri-implant soft tissues. However, there is a paucity of clinical studies that compare the clinical results of these two grafts.
Aim/Hypothesis:
The aim of this study is to compare the clinical outcomes of free gingival graft and subepithelial connective tissue graft for increasing the keratinized peri-implant tissues.
Material and Methods:
A total of 13 patients with 27 implants with less than 2mm keratinized tissues around implants were included in this study. 17 patients received free gingival graft and 10 patients received subepithelial connective graft to augment the keratinized tissues. The width of the keratinized tissue of buccal site of implants were measured by periodontal probe at different timelines: before surgery (T0), right after surgery (T1), and crown delivery (T2). Mann-Whitney test was used to compare the difference of these two groups.
Results:
In the group of FGG, the average width of keratinized tissue was 0.38+0.6mm, 5.09+1.95mm, 4.88+2.06mm at T0, T1, and T2 respectively. In the group of SCTG, the average width of keratinized tissue was 1.3+0.35mm, 5.3+1.27mm, 3.5+1.03mm at T0, T1, and T2 respectively. The amount of increased width was 4.22+2.24mm for FGG and 2.2+0.79mm for SCTG. The difference was statistically significant (p<0.05).
Conclusions and clinical implications:
Both FGG and SCTG achieved at increasing the width of keratinized peri-implant soft tissues. However, the amount of augmentation was greater in the FGG group.
Background:
Sufficient keratinized soft tissues are key for the long-term stability of dental implants. Clinical studies have revealed that peri-implant gingival plaque index may be increased when there is lack of sufficient keratinized tissues. Both free gingival graft (FGG) and subepithelial connective tissue graft (SCTG) can be utilized for increasing the width of keratinized peri-implant soft tissues. However, there is a paucity of clinical studies that compare the clinical results of these two grafts.
Aim/Hypothesis:
The aim of this study is to compare the clinical outcomes of free gingival graft and subepithelial connective tissue graft for increasing the keratinized peri-implant tissues.
Material and Methods:
A total of 13 patients with 27 implants with less than 2mm keratinized tissues around implants were included in this study. 17 patients received free gingival graft and 10 patients received subepithelial connective graft to augment the keratinized tissues. The width of the keratinized tissue of buccal site of implants were measured by periodontal probe at different timelines: before surgery (T0), right after surgery (T1), and crown delivery (T2). Mann-Whitney test was used to compare the difference of these two groups.
Results:
In the group of FGG, the average width of keratinized tissue was 0.38+0.6mm, 5.09+1.95mm, 4.88+2.06mm at T0, T1, and T2 respectively. In the group of SCTG, the average width of keratinized tissue was 1.3+0.35mm, 5.3+1.27mm, 3.5+1.03mm at T0, T1, and T2 respectively. The amount of increased width was 4.22+2.24mm for FGG and 2.2+0.79mm for SCTG. The difference was statistically significant (p<0.05).
Conclusions and clinical implications:
Both FGG and SCTG achieved at increasing the width of keratinized peri-implant soft tissues. However, the amount of augmentation was greater in the FGG group.
Background:
Sufficient keratinized soft tissues are key for the long-term stability of dental implants. Clinical studies have revealed that peri-implant gingival plaque index may be increased when there is lack of sufficient keratinized tissues. Both free gingival graft (FGG) and subepithelial connective tissue graft (SCTG) can be utilized for increasing the width of keratinized peri-implant soft tissues. However, there is a paucity of clinical studies that compare the clinical results of these two grafts.
Aim/Hypothesis:
The aim of this study is to compare the clinical outcomes of free gingival graft and subepithelial connective tissue graft for increasing the keratinized peri-implant tissues.
Material and Methods:
A total of 13 patients with 27 implants with less than 2mm keratinized tissues around implants were included in this study. 17 patients received free gingival graft and 10 patients received subepithelial connective graft to augment the keratinized tissues. The width of the keratinized tissue of buccal site of implants were measured by periodontal probe at different timelines: before surgery (T0), right after surgery (T1), and crown delivery (T2). Mann-Whitney test was used to compare the difference of these two groups.
Results:
In the group of FGG, the average width of keratinized tissue was 0.38+0.6mm, 5.09+1.95mm, 4.88+2.06mm at T0, T1, and T2 respectively. In the group of SCTG, the average width of keratinized tissue was 1.3+0.35mm, 5.3+1.27mm, 3.5+1.03mm at T0, T1, and T2 respectively. The amount of increased width was 4.22+2.24mm for FGG and 2.2+0.79mm for SCTG. The difference was statistically significant (p<0.05).
Conclusions and clinical implications:
Both FGG and SCTG achieved at increasing the width of keratinized peri-implant soft tissues. However, the amount of augmentation was greater in the FGG group.