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Dental luxation, the second stage of an extraction, is performed with elevators. Once the ligament is removed, the elevator will allow the tooth to be mobilized and luxated from its socket.
To do this, this instrument will insert itself into the space previously left by the syndesmostoma (between the root cementum and the alveolar bone), and act as a lever. Thus, the root elevator will allow to break all the desmodontal fibers in order to completely dislodge the tooth.
The elevator will use the alveolar bone for support and not the neighboring teeth to avoid damaging them. When the tooth is mobilized, an audible sign called "sucking sound" or "singing tooth" made by the air passing between the tooth and the alveolus, means that the action of the elevator is finished.
All that remains is to grasp the tooth to extract it completely from the mouth.
Standard Bernard lifters have the following characteristics:
- Non-disassembling, the standard Bernard elevators are characterized by a thick, rounded and heavy handle that offers a solid grip for safe and efficient interventions
The handle is followed by a long shaft and a flat, pointed arrow-shaped tip that allows optimal access into the periodontal space to smoothly separate the desmodontal fibers. The tip has a convex outer surface that contacts the alveolar bone, and a concave inner surface that contacts the tooth
Two types of tips:
Straight elevator: recommended for maxillary extractions
Inclined elevator (left or right): recommended for mandibular extractions