Need for CBCT due to small alveolar ridge

Categories ; Posterior, grafting, CBCT, Nobel Biocare

Hopeless molar with advanced bone loss

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Extraction and grafting with synthetic material

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Healing after 4 months

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Considerable bone-loss, Impressionable ridge is small, hence the decision to take a CBCT

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CBCT image, patient is wearing the VPS impression while taking scan. The impression is actually setting while the scan is made. Visualizing soft tissue in relation to bone volume and the mandibular canal

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Cross cut with scalpel in VPS cast ( Mach 2 slow and Blu-mouse from Parkel, Inc.)

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Data from CBCT are easily transferred to cast

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Implant position is selected to be parallel to root of premolar.

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Wings are adapted to the vacuform carrier

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Finished surgical guide. Note that Mesio-Distal angulation is different from starting point of BLP.

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Very limited mouth opening.

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Implant direction is as planned, so use 0 degree rotation block

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Implant placement as planned

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