| 摘要 |
A drilling assembly is provided for drilling a hole into a zygoma of a patient. The assembly can comprise a template, an extension unit, a drill guide unit, and first and second drills. The template can be configured for orientation within a patient's mouth and can comprise a guide sleeve having a longitudinal axis extending towards the zygoma when fitted on the patient. The extension unit can include a central bore and be slideably received within the guide sleeve. The drill guide unit can also include a central bore of a different diameter than that of the extension unit. The first drill can be slideably received within the central bore of the guide sleeve. The second drill can have an outer diameter different than that of the first drill and can be configured to be slideably received with the central bore of the drill guide unit.
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