JOURNAL OF SHANDONG UNIVERSITY (OTOLARYNGOLOGY AND OPHTHALMOLOGY) ›› 2016, Vol. 30 ›› Issue (6): 29-32.doi: 10.6040/j.issn.1673-3770.0.2016.368

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Application of three-dimensional printing technique in assisting reconstruction after maxillectomy.

WU Kunmin1,2, WU Jian1, LI Zeqing2, CHEN Wei3, ZHU Chunhui2, YANG Qi2   

  1. Department of Otolaryngology, 1. Changzheng Hospital of Second Military Medical University, Shanghai 200003, China;2. Second Affiliated Hospital of Nanjing University of Traditional Chinese Medicine, Nanjing 210017, Jiangsu, China;3. Nanjing General Hospital, Nanjing 210002, Jiangsu, China
  • Received:2016-08-25 Online:2016-12-16 Published:2016-12-16

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Abstract: Objective To investigate the application and clinical outcomes of 3-Dcomputer-assisted printing technique in the surgical treatment of malignant tumors of maxillary sinus. Methods Five patients suffering from malignant tumors of maxillary sinus received total maxillectomy were included in this study. Before operation, a three-dimensional individual stereo-maxillary model based on mirror images of the unaffected maxilla was obtained to fabricate an anatomically adapted titanium mesh using computer-assisted design and manufacturing. The individual titanium mesh was inserted into the maxillary after total maxillectomy. Facial appearance and function were evaluated by clinical and CT examinations. Results All patients were satisfied with their postoperative facial symmetry and did not develop diplopia or endophthalmos. During the operation procedure, the pre-bent titanium mesh did not require reshaping and pruning. The implanted titanium mesh fit bone bed surrounding the defect closely. Clinical and CT examinations showed recurrence in none during the follow-up of 8 to 30 months. Conclusion With good feasibility and reliability, 3-dimensional printing technique is suitable for the surgical treatment of maxillary sinus malignant tumors, and can significantly improve the clinical outcome.

Key words: Maxillectomy, Three-dimensional printing technology, Titanium mesh, Reconstruction

CLC Number: 

  • R765.9
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