Journal of Dental Anesthesia and Pain Medicine

The Korean Dental Society of Anesthsiology (대한치과마취과학회)
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A simplified CAD/CAM extraoral surgical guide for therapeutic injections

  • Received : 2021.03.01
  • Accepted : 2021.05.03
  • Published : 2021.06.01
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Abstract

Therapeutic injections into the craniofacial region can be a complex procedure because of the nature of its anatomical structure. This technical note demonstrates a process for creating an extra-oral template to inject therapeutic substances into the temporomandibular joint and the lateral pterygoid muscle. The described process involves merging cone-beam computed tomography data and extra-oral facial scans obtained using a mobile device to establish a correlated data set for virtual planning. Virtual injection points were simulated using existing dental implant planning software to assist clinicians in precisely targeting specific anatomical structures. A template was designed and then 3D printed. The printed template showed adequate surface fit. This innovative process demonstrates a potential new clinical technique. However, further validation and in vivo trials are necessary to assess its full potential.

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