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Fig. 4 | BMC Oral Health

Fig. 4

From: Guided endodontic treatment in a region of limited mouth opening: a case report of mandibular molar mesial root canals with dystrophic calcification

Fig. 4

Both MB and ML templates followed an open design concept. The light-blue image represents the scanned area. The virtual ML template with drill and sleeve (a). The virtual MB template with the drill and respective sleeve (b). The resin base of metal sleeves was designed as a half-cylinder to facilitate the insertion of the drill. The top worked as a reference for the drilling length (a and b). The sleeve for the fixation pin had the same position for both templates, avoiding unnecessary bone drilling. CBCT image in the axial plane with virtual drills and sleeve of the ML template (c)

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