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- W2378499398 abstract "PURPOSE: To investigate the influences on patient’s condylar position and temporomandibular joint function after complicated mandible reconstruction by rapid prototyping technique. METHODS: Of fifty mandible benign tumor patients who underwent complicated mandible reconstruction with condyle preservation, twenty patients surgically guided by rapid prototyping technique were designed as rapid prototyping group, and 30 patients surgically guided by traditional methods were designed as control group. All patient’s pre -and postoperative condylar position were measured by mandible and temporomandibular joint three-dimensional CT scans. The temporomandibular joint function was evaluated by Fricton TMJ index, and dysfunction index(DI), palpation index(PI) and raniomandibular index(CMI) were calculated accordingly. Data were compared between pre-and post-operative values with paired t test and between groups with Mann-Whitney nonparametric test using SPSS11.5 software package. RESULTS: Of all patients, there was no evidence of recurrence, the graft survived completely, and the post-operative occlusion was normal. Patients in the rapid prototyping group had symmetrical facial contour, normal condylar position and normal mandibular movement. Six patients in the control group had asymmetric facial contour. CT scans showed condylar position changed in 8 patients. There was no significant difference in the rapid prototyping group (P0.05),while significant difference in the control group of condylar position between pre-and post-operation (P0.05). There was no significant difference of preoperative condylar position (P0.05), but significant difference of post-operative condylar position between the rapid prototyping and the control group (P0.05). There was significant difference of post-operative temporomandibular joint function between the rapid prototyping and the control group (P0.05). CONCLUSIONS: Rapid prototyping technique can improve the patient’s post-operative temporomandibular joint function after complicated mandible reconstruction by maintaining the condylar position." @default.
- W2378499398 created "2016-06-24" @default.
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- W2378499398 date "2009-01-01" @default.
- W2378499398 modified "2023-09-26" @default.
- W2378499398 title "Evaluation of temporomandibular joint function after complicated mandible reconstruction guided by rapid prototyping technique" @default.
- W2378499398 hasPublicationYear "2009" @default.
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