基于激光扫描与CT建立带牙根的三维数字化牙颌模型

Abstract

Abstract:

Objective　To establish digitized dental model with the root based on the three-dimensional laser scanning of plaster dental models and the head CT data, and record the morphological structure of the teeth and the spatial location changes of the teeth during treatment course.　Method　The independent digital models with upper and lower dentition were established based on an adult female's head CT data in Mimics11.0.”. The plaster dental models were scanned with a 3D laser scanner and the data files were merged and saved as point clouds which contained spatial location coordinates of the crown surface and the relationship of the upper and lower dentition in the intercuspal occlusion (ICO).Based on the models from the point clouds, a dentition model with teeth roots was regrouped with independent teeth models built from CT data, and the real spatial position relationship of the upper and lower dentition was rebuilt.　Result　Upper and lower 3D digital full structure dentition models were rebuilt containing details of the anatomical structures of the crowns and roots of teeth, and the relative position of the dentition and occlusion were recovered.　Conclusion　In the orthodontic treatment, the dentitions models with roots from the CT data and 3D scanning can display the change of teeth crowns and roots, and the practitioners can easily evaluate the treatment process and the therapeutic effecacy.

Key words: CT data, Three digital model, Intercuspal occlusion, Orthodontics

CLC Number:

R783.5

JIAO Pei-Feng, LIU Yang, BI Zhen-Yu. Three dimensional digitized dental model with root based on laser scanning and CT data[J]. Chinese Journal Of Clinical Anatomy, 2013, 31(4): 389-392.

References

[1] Rangel FA, Maal TJ, Bergé SJ, et al. Integration of digital dental casts in 3-dimensional facial photographs
[J]. Am J Orthod Dentofacial Orthop, 2008, 134(6):820-826.

[2] Rosati R, Rossetti A, De Menezes M, et al. The occlusal plane in the facial context: inter-operator repeatability of a new three-dimensional method
[J]. Int J Oral Sci，2012, 4(1):34-37.

[3] Masi M, Lederman HM, Yamashita HK, et al. Temporomandibular joint evaluation with magnetic resonance imaging in children with functional unilateral posterior crossbite, treated with rapid maxillary expansion
[J]. Am J Orthod Dentofacial Orthop, 2009, 136(2):207-217.

[4] Yagci A, Uysal T. Effect of modified and conventional facemask therapy on condylar position in Class III patients
[J]. Orthod Craniofac Res, 2010, 13(4):246-254.

[5] Heymann GC, Cevidanes L, Cornelis M, et al. Three-dimensional analysis of maxillary protraction with intermaxillary elastics to miniplates
[J]. Am J Orthod Dentofacial Orthop，2010, 137(2):274-284.

[6] Schupp W, Haubrich J, Neumann I. Treatment of anterior open bite with the Invisalign system
[J]. J Clin Orthod, 2010, 44(8):501-507.

[7] 张云飞, 金钫, 刘鑫, 等. 三维数字化正畸软件OrthoRx的研发及其临床应用
[J]. 实用口腔医学杂志, 2009, 25(5):672-676.

[8] Schievano S, Taylor AM, Capelli C, et al. Patient specific finite element analysis results in more accurate prediction of stent fractures: Application to percutaneous pulmonary valve implantation
[J]. J Biomech, 2010，43(4):687-693.

[9] Boldt F, Weinzierl C, Hertrich K, et al. Comparison of the spatial landmark scatter of various 3D digitalization methods
[J]. J Orofac Orthop, 2009, 70(3):247 -263.

[10] Figliuzzi M, Mangano F, Mangano C. A novel root analogue dental implant using CT scan and CAD/CAM: selective laser melting technology
[J]. Int J Oral Maxillofac Surg，2012, 41(7):858-862.

[11] Mangano FG, Cirotti B, Sammons RL, et al. Custom-made, root-analogue direct laser metal forming implant: a case report
[J]. Lasers Med Sci, 2012, 27(6):1241-1245.

[12] Cheah CM, Leong KF, Chua CK, et al. Characterization of microfeatures in selective laser sintered drug delivery devices
[J]. Proc Inst Mech Eng H，2002, 216(6):369-383.

[13]Ciocca L, Fantini M, De Crescenzio F, et al. New protocol for construction of eyeglasses -supported provisional nasal prosthesis using CAD/CAM techniques
[J]. J Rehabil Res Dev， 2010, 47(7):595-604.

Three dimensional digitized dental model with root based on laser scanning and CT data

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