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[Individual digital design and functional reconstruction of large mandibular defect with computer-aided design/computer aided manufacture technique].
Zhongguo Xiu Fu Chong Jian Wai Ke Za Zhi. 2005 Oct; 19(10):803-6.ZX

Abstract

OBJECTIVE

To build up a new contour and functional reconstruction technique of mandibular defects with rapid prototyping and reverse engineering technique.

METHODS

From April 2002 to August 2004, 4 cases of mandibular defects due to resection of large mandible lesion were treated. Of 4 patients, there were 3 females and 1 male, with an age range of 21-42 years, which underwent secondary operation and presented a deviation as mandibular movement. The opening-mouth extent was 1.8-2.5 cm (2.2 cm on average). The data of defects area were renewed with Mimics and Geomagic Studio software; and the titanium reconstructive frame was designed and manufactured with rapid prototyping technique. Defect were reconstructed by using CT digital data of patients.

RESULTS

The CT data could be used by image software directly. The implant design could be completed by computer-aimed design (CAD) / computer-aided manufacture (CAM). The resin model and titanium frame were manufactured accurately by RP technique. Four patients achieved one stage healing. After a follow-up of 3 months to 2 years, large mandibular defect was reconstructed satisfactorily and the opening-mouth extent was 3.0-3.4 cm (3.2 cm on average). The occluding relation was normal. The implant denture was put on and the mastication function was good in 1 case.

CONCLUSION

Individual design and repair of large mandibular defect with CAD/CAM techniques is worth extending application clinically. It is a simple and accurate method.

Authors+Show Affiliations

Department of Oral and Maxillofacial Surgery, Stomatological College, Fourth Military Medical Univercity, Xi'an Shaanxi, PR China. liuyanpu@fmmu.edu.cnNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info available

Pub Type(s)

English Abstract
Journal Article

Language

chi

PubMed ID

16274129

Citation

Liu, Yanpu, et al. "[Individual Digital Design and Functional Reconstruction of Large Mandibular Defect With Computer-aided Design/computer Aided Manufacture Technique]." Zhongguo Xiu Fu Chong Jian Wai Ke Za Zhi = Zhongguo Xiufu Chongjian Waike Zazhi = Chinese Journal of Reparative and Reconstructive Surgery, vol. 19, no. 10, 2005, pp. 803-6.
Liu Y, Gong Z, He L, et al. [Individual digital design and functional reconstruction of large mandibular defect with computer-aided design/computer aided manufacture technique]. Zhongguo Xiu Fu Chong Jian Wai Ke Za Zhi. 2005;19(10):803-6.
Liu, Y., Gong, Z., He, L., Zhao, J., Yu, B., & Zhang, H. (2005). [Individual digital design and functional reconstruction of large mandibular defect with computer-aided design/computer aided manufacture technique]. Zhongguo Xiu Fu Chong Jian Wai Ke Za Zhi = Zhongguo Xiufu Chongjian Waike Zazhi = Chinese Journal of Reparative and Reconstructive Surgery, 19(10), 803-6.
Liu Y, et al. [Individual Digital Design and Functional Reconstruction of Large Mandibular Defect With Computer-aided Design/computer Aided Manufacture Technique]. Zhongguo Xiu Fu Chong Jian Wai Ke Za Zhi. 2005;19(10):803-6. PubMed PMID: 16274129.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - [Individual digital design and functional reconstruction of large mandibular defect with computer-aided design/computer aided manufacture technique]. AU - Liu,Yanpu, AU - Gong,Zhengyu, AU - He,Lisheng, AU - Zhao,Jilong, AU - Yu,Bai, AU - Zhang,Haixia, PY - 2005/11/9/pubmed PY - 2009/4/22/medline PY - 2005/11/9/entrez SP - 803 EP - 6 JF - Zhongguo xiu fu chong jian wai ke za zhi = Zhongguo xiufu chongjian waike zazhi = Chinese journal of reparative and reconstructive surgery JO - Zhongguo Xiu Fu Chong Jian Wai Ke Za Zhi VL - 19 IS - 10 N2 - OBJECTIVE: To build up a new contour and functional reconstruction technique of mandibular defects with rapid prototyping and reverse engineering technique. METHODS: From April 2002 to August 2004, 4 cases of mandibular defects due to resection of large mandible lesion were treated. Of 4 patients, there were 3 females and 1 male, with an age range of 21-42 years, which underwent secondary operation and presented a deviation as mandibular movement. The opening-mouth extent was 1.8-2.5 cm (2.2 cm on average). The data of defects area were renewed with Mimics and Geomagic Studio software; and the titanium reconstructive frame was designed and manufactured with rapid prototyping technique. Defect were reconstructed by using CT digital data of patients. RESULTS: The CT data could be used by image software directly. The implant design could be completed by computer-aimed design (CAD) / computer-aided manufacture (CAM). The resin model and titanium frame were manufactured accurately by RP technique. Four patients achieved one stage healing. After a follow-up of 3 months to 2 years, large mandibular defect was reconstructed satisfactorily and the opening-mouth extent was 3.0-3.4 cm (3.2 cm on average). The occluding relation was normal. The implant denture was put on and the mastication function was good in 1 case. CONCLUSION: Individual design and repair of large mandibular defect with CAD/CAM techniques is worth extending application clinically. It is a simple and accurate method. SN - 1002-1892 UR - https://www.unboundmedicine.com/medline/citation/16274129/[Individual_digital_design_and_functional_reconstruction_of_large_mandibular_defect_with_computer_aided_design/computer_aided_manufacture_technique]_ DB - PRIME DP - Unbound Medicine ER -