Lateral ridge augmentation in the posterior part of the mandible with an autogenous bone block graft harvested from the ascending mandibular ramus. A 10-year retrospective study

2020 ◽  
Author(s):  
H.B. Nielsen ◽  
T. Starch-Jensen
Keyword(s):  
Retrospective Study ◽  
Posterior Part ◽  
Autogenous Bone ◽  
Bone Block ◽  
Mandibular Ramus ◽  
Ridge Augmentation ◽  
Lateral Ridge ◽  
Lateral Ridge Augmentation

scholarly journals Retrospective Study: Lateral Ridge Augmentation Using Autogenous Dentin: Tooth-Shell Technique vs. Bone-Shell Technique

2021 ◽  
Vol 18 (6) ◽  
pp. 3174
Author(s):  
Michael Korsch ◽  
Marco Peichl
Keyword(s):  
Retrospective Study ◽  
Tissue Loss ◽  
Autogenous Bone ◽  
Hard Tissue ◽  
Ridge Augmentation ◽  
Clinical Complications ◽  
Bone Harvesting ◽  
Lateral Ridge ◽  
Bone Substitute Materials ◽  
Lateral Ridge Augmentation

In the literature, autogenous dentin is considered a possible alternative to bone substitute materials and autologous bone for certain indications. The aim of this proof-of-concept study was to use autogenous dentin for lateral ridge augmentation. In the present retrospective study, autogenous dentin slices were obtained from teeth and used for the reconstruction of lateral ridge defects (tooth-shell technique (TST): 28 patients (15 females, 13 males) with 34 regions and 38 implants). The bone-shell technique (BST) according to Khoury (31 patients (16 females, 15 males) with 32 regions and 41 implants) on autogenous bone served as the control. Implants were placed simultaneously in both cases. Follow-up was made 3 months after implantation. Target parameters during this period were clinical complications, horizontal hard tissue loss, osseointegration, and integrity of the buccal lamella. The prosthetic restoration with a fixed denture was carried out after 5 months. The total observation period was 5 months. A total of seven complications occurred. Of these, three implants were affected by wound dehiscences (TST: 1, BST: 2) and four by inflammations (TST: 0, BST: 4). There were no significant differences between the two groups in terms of the total number of complications. One implant with TST exhibited a horizontal hard tissue loss of 1 mm and one with BST of 0.5 mm. Other implants were not affected by hard tissue loss. There were no significant differences between the two groups. Integrity of the buccal lamella was preserved in all implants. All implants were completely osseointegrated in TST and BST. All implants could be prosthetically restored with a fixed denture 5 months after augmentation. TST showed results comparable to those of the BST. Dentin can therefore serve as an alternative material to avoid bone harvesting procedures and thus reduce postoperative discomfort of patients.

Lateral Augmentation of the Maxilla and Mandible Using Framework Technique With Allogeneic Bone Grafts

2012 ◽  
Vol 38 (6) ◽  
pp. 661-667 ◽  
Author(s):  
Phillip Wallowy ◽  
Andreas Dorow
Keyword(s):  
Dental Implants ◽  
Bone Grafts ◽  
Autogenous Bone ◽  
Allogeneic Bone ◽  
Alveolar Ridge ◽  
Ridge Augmentation ◽  
Duration Of Surgery ◽  
Lateral Ridge ◽  
Maxilla And Mandible ◽  
Lateral Ridge Augmentation

This study aimed to evaluate the effectiveness of lateral ridge augmentation in 36 patients with severely atrophic alveolar ridge using allogeneic bone grafts in a framework technique. A thinned allogeneic cortical graft was screwed to the alveolar ridge, leaving a hollow space that was filled with particulated allogeneic cortical bone. Thirty-six patients who received surgical lateral block augmentation using allogeneic bone grafts were involved in this study. Implants were placed in a second session after a mean time of 6.3 months. The surgical technique and the reasons for failure of surgery in three patients are described. Additionally, properties of allogeneic bone grafts are reviewed. In 33 patients, dental implants were successfully installed and continued to be well maintained at the last follow-up (91.7% success). In three patients, dental implants could not be installed (8.3% failure) as the graft was lost because of wound dehiscence; however, repeat surgery was successfully carried out in all three. The use of allogeneic bone grafts in lateral ridge augmentation of the maxilla and mandible showed successful clinical results. It seems to be a reliable material for reconstructing a severely atrophic alveolar ridge. It presents a good alternative to autogenous bone regarding augmentation because it offers good ossification, less morbidity, unlimited availability and shorter duration of surgery, and lower costs.

Clinical and Histomorphometric Assessment of Lateral Alveolar Ridge Augmentation Using a Corticocancellous Freeze-Dried Allograft Bone Block

2017 ◽  
Vol 43 (3) ◽  
pp. 202-210 ◽  
Author(s):  
Roya Shariatmadar Ahmadi ◽  
Ferena Sayar ◽  
Vahid Rakhshan ◽  
Babak Iranpour ◽  
Jahanfar Jahanbani ◽  
...  
Keyword(s):  
Clinical Success ◽  
Bone Allograft ◽  
Bone Block ◽  
Graft Material ◽  
Alveolar Ridge Augmentation ◽  
Ridge Augmentation ◽  
Freeze Dried ◽  
Lateral Ridge ◽  
Ridge Width ◽  
Lateral Ridge Augmentation

Horizontal ridge augmentation with allografts has attracted notable attention because of its proper success rate and the lack of disadvantages of autografts. Corticocancellous block allografts have not been adequately studied in humans. Therefore, this study clinically and histomorphometrically evaluated the increase in ridge width after horizontal ridge augmentation using corticocancellous block allografts as well as implant success after 12 to 18 months after implantation. In 10 patients receiving implants (3 women, 7 men; mean age = 45 years), defective maxillary alveolar ridges were horizontally augmented using freeze-dried bone allograft blocks. Ridge widths were measured before augmentation, immediately after augmentation, and ∼6 months later in the reentry surgery for implantation. This was done at points 2 mm (A) and 5 mm (B) apically to the crest. Biopsy cores were acquired from the implantation site. Implant success was assessed 15.1 ± 2.7 months after implantation (range = 12–18 months). Data were analyzed using Friedman and Dunn tests (α = 0.05). At point A, ridge widths were 2.77 ± 0.37, 8.02 ± 0.87, and 6.40 ± 0.66 mm, respectively, before surgery, immediately after surgery, and before implantation. At point B, ridge widths were 3.40 ± 0.39, 9.35 ± 1.16, and 7.40 ± 1.10 mm, respectively, before surgery, immediately after surgery, and before implantation. The Friedman test showed significant increases in ridge widths, both at point A and point B (both P = .0000). Postaugmentation resorption was about 1.5–2 mm and was statistically significant at points A and B (P < .05, Dunn). The percentage of newly formed bone, residual graft material, and soft tissue were 33.0% ± 11.35% (95% confidence interval [CI] = 24.88%–41.12%), 37.50% ± 19.04% (95% CI = 23.88%–51.12%), and 29.5%, respectively. The inflammation was limited to grades 1 or zero. Twelve to 18 months after implantation, no implants caused pain or showed exudates or pockets. Radiographic bone loss was 2.0 ± 0.7 mm (range = 1–3). It can be concluded that lateral ridge augmentation with corticocancellous allograft blocks might be successful both clinically and histologically. Implants might have a proper clinical success after a minimum of 12 months.

scholarly journals Lateral Ridge Augmentation with Autogenous Bone Harvested Using Trephine Drills: A Noninvasive Technique

2016 ◽  
Vol 10 (1) ◽  
pp. 1-11 ◽  
Author(s):  
H. R. Arab ◽  
A. Moeintaghavi ◽  
M. Taheri ◽  
N. Sargolzaie ◽  
D. Aghasizadeh ◽  
...  
Keyword(s):  
Clinical Investigation ◽  
Donor Site ◽  
Autogenous Bone ◽  
Noninvasive Technique ◽  
Recipient Site ◽  
Ridge Augmentation ◽  
Non Invasive ◽  
Lateral Ridge ◽  
Ridge Width ◽  
Lateral Ridge Augmentation

Purpose:The aim of this pilot study was to evaluate the success rate of a chairside ridge augmentation procedure using bone autografts harvested with trephine drills and placed without the use of screws.Methods:Thirty patients were recruited for the study. After the surgical site was anesthetized and a crestal incision was made, an envelope flap was retracted using blunt dissection limited to the graft site, and the periosteum was raised intact and undamaged from the bone. The flap was extended laterally to obtain sufficient space for the bone graft. At the donor site, bone was obtained from the external oblique ridge area. A #5 or #6 trephine drill was used to harvest one or two pieces of bone. The bone blocks were placed inside the envelope flap at the recipient site, which was then sutured and covered with periodontal dressing. Antibiotics, analgesics, and mouthwash were prescribed. Measurements of ridge width were performed using CBCT before and 3 months after surgery. The pre- and post operative results were compared using paired t test.Results:Pre- and post-operative mean ridge widths were 2.23 ± 0.79 and 5.16 ± 0.68 mm, respectively. The mean increase in width was 2.92 ± 0.89 mm(P< 0.001).Conclusion:This non-invasive and simple technique provided an acceptable increase in ridge width. As the sample was small, we recommend further clinical investigation with larger samples to confirm that this technique may be used successfully as an alternative to current invasive augmentation methods.

scholarly journals Retrospective Study on Tooth Shell Technique Using Endodontically Treated Teeth in Lateral Ridge Augmentation

2021 ◽  
Vol 11 (13) ◽  
pp. 5882
Author(s):  
Michael Korsch ◽  
Marco Peichl
Keyword(s):  
Retrospective Study ◽  
Wound Dehiscence ◽  
Tissue Loss ◽  
Endodontically Treated Teeth ◽  
Ridge Augmentation ◽  
Grafting Technique ◽  
Lateral Ridge ◽  
The Mean ◽  
Lateral Ridge Augmentation

Autogenous dentin has been reported to be a suitable grafting material for certain indications. The purpose of this study was to assess the feasibility of using endodontically treated teeth for this application. In the present retrospective study, one-stage augmentation of lateral ridge defects with a dentin shell and particulate (tooth shell technique (TST)) either obtained from endodontically treated teeth (ETT, 17 patients with 21 implants) or non-endodontically treated teeth (NETT, 17 patients with 24 implants) were analyzed. Follow-up was conducted 3 months after augmentation. The target parameters were biological complications, horizontal hard tissue loss, osseointegration, and the integrity of the buccal lamella. Only minor complications occurred in three implants from three patients, including two cases of wound dehiscence (one each in ETT and NETT) and a localized three-walled defect in the NETT group, which was solved by re-augmentation. All the implants were osseointegrated and the integrity of the buccal lamella was preserved. The mean difference of the resorption of the crestal width and the buccal lamella did not differ statistically between the two groups. As TST using ETT showed, the results comparable to those of NETT dentin from endodontically treated teeth can be safely applied with predictable results for this grafting technique.

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