PMC9833922_01
Severely atrophied mandible (mandibular width of 4 mm); genioglossus and geniohyoid muscles were not detached.
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fig1
The lingual portion was left intact to preserve blood supply (Figure 1).
Grafts and lag screws:anterior view.
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fig2
Bone blocks were positioned, and fixation was done with 8 lag screws (Figure 2). 4 implants (Osstem,  4 x 10 mm) were placed simultaneously.
Reconstructed panoramic radiograph of patient's cone beam computed tomography (CBCT):4-month post-operation.
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fig3
After 4 months, CBCT imaging showed no sign of complications (Figure 3); thus, implants were exposed and impressions for an overdenture were taken 8 months after implant placement, and the patient was reevaluated for denture instability and peri-implantitis.