Comparative study of manufacturing condyle implant using rapid prototyping and CNC machining

S. Bojanampati, R. Karthikeyan, M. D. Islam, S. Venugopal

Research output: Contribution to journalConference articlepeer-review


Injuries to the cranio-maxillofacial area caused by road traffic accidents (RTAs), fall from heights, birth defects, metabolic disorders and tumors affect a rising number of patients in the United Arab Emirates (UAE), and require maxillofacial surgery. Mandibular reconstruction poses a specific challenge in both functionality and aesthetics, and involves replacement of the damaged bone by a custom made implant. Due to material, design cycle time and manufacturing process time, such implants are in many instances not affordable to patients. In this paper, the feasibility of designing and manufacturing low-cost, custom made condyle implant is assessed using two different approaches, consisting of rapid prototyping and three-axis computer numerically controlled (CNC) machining. Two candidate rapid prototyping techniques are considered, namely fused deposition modeling (FDM) and three-dimensional printing followed by sand casting The feasibility of the proposed manufacturing processes is evaluated based on manufacturing time, cost, quality, and reliability.

Original languageBritish English
Article number012061
JournalIOP Conference Series: Materials Science and Engineering
Issue number1
StatePublished - 1 May 2018
Event2017 International Conference on Recent Advances in Materials and Manufacturing Technologies, IMMT 2017 - Dubai, United Arab Emirates
Duration: 28 Nov 201729 Nov 2017


  • CAD
  • CAM
  • CNC
  • Condyle
  • Image processing
  • Mandible
  • Rapid prototyping


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