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Background <p>Implant rehabilitation following post-traumatic dentoalveolar defects can be challenging due to irregular bone loss and insufficient ridge volume that compromise dental implant placement and prosthetic rehabilitation. </p> Aim of the study <p>To evaluate implant rehabilitation following reconstruction of delayed post-traumatic maxillary and mandibular dentoalveolar defects using iliac crest bone grafts in terms of implant stability (primary outcome), marginal bone loss, graft success, and patient satisfaction (secondary outcomes).</p> Methods <p>This prospective interventional single-arm clinical study included 20 patients (18–65 years), both sexes presenting with post-traumatic alveolar bone defects who underwent reconstruction using anterior iliac crest grafts, followed by implant placement after 6 months and prosthetic rehabilitation. Post-operative assessments primarily evaluated implant stability and secondarily assessed marginal bone loss, graft success, and patient satisfaction. All adverse events were recorded during follow-up.</p> Results <p>Graft associated with improved implant stability significantly from 59.7 ±10.01 Ncm at baseline to 68.7 ±10.17 Ncm after 6 months (P &lt; 0.001). Horizontal graft width increased from 2.1±0.5 mm preoperatively to 6.9±0.8 mm at 6 months (P&lt;0.001), while vertical graft height improved from 7.2±1.1 mm to 10.7±1.3 mm (P&lt;0.001). Median marginal bone loss reached 1.5 mm at 6 months (P &lt; 0.001). A total of 30 implants were placed with an implant survival rate of 96.7% (29/30). Graft success was achieved in all cases. Most patients reported high satisfaction, with 85% being very satisfied or satisfied. A single case of donor site wound dehiscence was reported.</p> Conclusions <p>Iliac crest bone grafting may represent a clinically promising approach for reconstruction of post-traumatic dentoalveolar defects, allowing favorable short-term implant stability following delayed implant rehabilitation.</p> Trial registration <p>The research was registered retrospectively in pactr.samrc.ac.za (PACTR202511489819034) on 11-11-2025.</p>

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Delayed implant rehabilitation following iliac crest grafting for traumatic dentoalveolar defects: a prospective single-arm interventional clinical study

  • 期刊论文

  • 出版模式：

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  • 发表日期：

    2026年6月19日

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  • Mohamed Abdeldayem,
  • Mariam Ahmed Raafat Abd EL Hamid Mohamed,
  • Shady Aly Hassan,
  • Naglaa Shokry Abdelsalam

摘要

Background

Implant rehabilitation following post-traumatic dentoalveolar defects can be challenging due to irregular bone loss and insufficient ridge volume that compromise dental implant placement and prosthetic rehabilitation.

Aim of the study

To evaluate implant rehabilitation following reconstruction of delayed post-traumatic maxillary and mandibular dentoalveolar defects using iliac crest bone grafts in terms of implant stability (primary outcome), marginal bone loss, graft success, and patient satisfaction (secondary outcomes).

Methods

This prospective interventional single-arm clinical study included 20 patients (18–65 years), both sexes presenting with post-traumatic alveolar bone defects who underwent reconstruction using anterior iliac crest grafts, followed by implant placement after 6 months and prosthetic rehabilitation. Post-operative assessments primarily evaluated implant stability and secondarily assessed marginal bone loss, graft success, and patient satisfaction. All adverse events were recorded during follow-up.

Results

Graft associated with improved implant stability significantly from 59.7 ±10.01 Ncm at baseline to 68.7 ±10.17 Ncm after 6 months (P < 0.001). Horizontal graft width increased from 2.1±0.5 mm preoperatively to 6.9±0.8 mm at 6 months (P<0.001), while vertical graft height improved from 7.2±1.1 mm to 10.7±1.3 mm (P<0.001). Median marginal bone loss reached 1.5 mm at 6 months (P < 0.001). A total of 30 implants were placed with an implant survival rate of 96.7% (29/30). Graft success was achieved in all cases. Most patients reported high satisfaction, with 85% being very satisfied or satisfied. A single case of donor site wound dehiscence was reported.

Conclusions

Iliac crest bone grafting may represent a clinically promising approach for reconstruction of post-traumatic dentoalveolar defects, allowing favorable short-term implant stability following delayed implant rehabilitation.

Trial registration

The research was registered retrospectively in pactr.samrc.ac.za (PACTR202511489819034) on 11-11-2025.