Fig 1.
Implant restoration after mandibular reconstruction with fibula.
Patients with internal fixation devices retained (upper) or removed (lower) are shown.
Table 1.
Material properties of each structure in the FEA mandible model.
Table 2.
Masticatory muscle forces on the FEA mandible model.
Fig 2.
Masticatory attachment areas of mandible.
A: constrained; B: superficial masseter; C: deep masseter; D: inferior lateral pterygoid; E: medial pterygoid; F: anterior temporalis; G: middle temporalis; H: posterior temporalis; I: contralateral inferior lateral pterygoid. The red arrows represent the direction of muscle force.
Table 3.
OHIP-I for partially edentate patients with implant-supported prostheses.
Table 4.
Basic information of patients at follow-up.
Table 5.
Von Mises stress, total displacement, and strain of the fibula segment and implant.
Table 6.
Von Mises stress, total displacement, and strain of the healthy- and affected-side mandible.
Fig 3.
Internal fixation retention and removal models of a single patient.
The three model components (the fibula segment, healthy-side mandible, and affected-side mandible) are shown.
Fig 4.
Equivalent von Mises stress distribution for the grafted fibula after implant restoration.
Upper view of the fibula in the retention group; upper view of the fibula in the removal group; front view of the fibula in the retention group; and front view of the fibula in the removal group.
Fig 5.
Equivalent von Mises stress distribution for the implant and abutment.
Diagrams of the implant and abutment models in the retention and removal groups.
Fig 6.
Equivalent von Mises stress distribution diagram of the affected-side mandible.
Mandible in retention group; mandible in retention group with the maximum stress (red arrow) located at the interface between the titanium screw and bone; mandible in removal group; mandible in removal group with the maximum stress (red arrow) located at posterior aspect of the ascending branch of the mandible.
Fig 7.
Equivalent von Mises stress distribution diagram of titanium plate and screws.
The overall plate–screw assembly and magnified views of two representative screws are shown.
Table 7.
Marginal bone loss (MBL) and defect depth (DD) of patients at follow-up.
Table 8.
OHIP-I questionnaire scores of patients at follow-up.