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Categories ; Posterior, Flapless, Astra Tech
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Non restorable lower first molar, extracted, healed site at 3 Months
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Healed site # 19
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Purposely over extended impression captures 14 mm of the alveolar ridge
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Bone sounding measurements topical anesthetic and small needle with rubber-
stop.
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Denture tooth, the “fastest wax –up in the west”, and reusable over and over
again.
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Vacuform of denture tooth
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BLP related to screw access hole in the central fossa.
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Wings attached to vacuform carrier. Note that position of BLP is just a starting
point, the wings are positioned independently, while the BLP is locking in the
Bucco-Lingual and the platform position of the implant.
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Radiograph is diagnostic since the RIR’s overlap. The trajectory needs correction
though.
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A 7 degree ( red) rotation block is selected. A metal drill guide is placed, and the
trajectory is verified.
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Adequate attached tissue allows tissue punch.
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Nobel Biocare starting drill is used ( not to full depth) , although an Astra Tech
implant will be placed. The starting drill removes the tissue plug, and flattens the
ridge.
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Facilitate 2.0 drill with build in stop. Tip to stop 18.7 mm , listed as 18 mm.
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Osteotomy preparation for 8 mm implant
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Verification of initial twist drill preparation
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3.2 mm Facilitate drill
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3.7 Facilitate drill per Astra Tech drilling protocol.
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Astra Tech OsseoSpeed TX 4.0 S - 8 mm
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Visual guidance of implant placement. The guided carrier from Astra does not fit
the hole diameter of the 3DCG. Hence the use of the regular Astra implant carrier
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Implant placed to full depth. Bottom of osteotomy is the depth control.
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Implant placed as planned
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Implant placed as planned