3 shop online at store.biohorizons.com SURGICAL PROTOCOL Widen the posterior osteotomy using the appropriate BioHorizons width increasing drills, maintaining the proper angle and A/P spread. Repeat steps on the opposing side. Note: To achieve adequate torque values in soft bone, undersizing the osteotomy may be necessary. Remove the BioHorizons Tapered Internal implants from the sterile vials using a handpiece or ratchet implant-level driver. Deliver the implants to the prepared osteotomies. If the insertion torque is too high, adjust the osteotomies as necessary. If the insertion torque is too low, consider changing to a larger implant size. Confirm proper osteotomy position using the surgical guide and two 30° angled parallel pins. The pins should emerge through the guide trough. Adjust the trajectory of the osteotomy as needed before widening. Initiate the two posterior osteotomies using a BioHorizons 1.5mm or 2.0mm diameter starter drill. In the center of the buccal-lingual drawn line, drill parallel with the 30° mark, anterior to the mental foramen, to achieve adequate A/P* spread and avoid damaging the mental nerve. *Anterior/Posterior spread
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