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Esthetic treatment combining ortho, implants and Procera®

Esthetic treatment combining ortho, implants and Procera®

This is a quite long, combined case of orthodontics, implants, esthetic ceramic crowns and fillings, substituting the old metal ceramic and amalgam restorations for a more esthetic overall result.
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At first stage, I want to use orthodontics in order to close the space of the missing upper second bicuspid, move the mid lines to the left and reduce protrusion. So I cut the 24-25 bridge, apply full Roth .022″ ceramic braces and start moving the pieces with elastics and springs on .016″ round wire.
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The movements on the left side are attempted gradually, with springs and/or elastics, as well as ligature anchorage when possible


When the turn comes to the 11-22 bridge, I cut it in between 21-22 to liberate 22 for motion with springs.
I used elastics on 21 to prevent from rotating, since the spring force will act with high leverage on 11.
Now it’s time to move the central incisors and the midlines to the left, also progressively, one tooth at a time. When the upper incisors reach the symmetric position, I close the gaps with chained elastics.
When the space is crated for 41, I bring it into the arch and do a little stripping.
Final adjustments on the lower incisors after stripping.
Midlines aligned with the nose. Finishing inter-arch elastics for maximum intercuspidation, and opening spring to back-tip 37 and allow for implant placement.
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Now the spaces are not at their final size, but they are enough as to place the implants.
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I place two Alpha Bio implants. 36 is a 3.75×15″ external hexagon,  and 21 is a 3.75×16″ internal hexagon. I needed to cut the 11-21 bridge, do some ridge widening with osteotoms, and hang the loose 21 crown on the wire.
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When healing takes place, I set the gums with future esthetic tooth proportions. I use electric scalpel for the gingivectomy.
I used the spring after the implant placement to continue opening the space for a molar. That rotated the premolar forward. I cut the implant transporter as to allow occlusion and attach a premolar band with Dura-Lay resin in order to de-rotate the premolar back in place. The final corrections are accomplished with elastics from either the labial bracket or the lingual button.
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When everything is in its final place, I remove the braces, cut the 11&22 crowns, carve the 11,22&24 preparations and apply two retraction threads together with vase constrictor. I take a two-step silicone impression.
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Temporary resin crowns are used during color and shape trials. Several were done until a good esthetic result was accomplished.Notice the compressed, isquemic gum on 21 right after placement. The crowns are made of Procera ceramic.
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Placement of the 36 crown is achieved in several days. This was due to the unavoidable tendency of the molar and premolar go close the space. Despite the use of the band-resin maintainer, a small width difference was enough not to allow the crown to fit in place at the first moment. The crown was screwed in, little by little, in the following days.
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I substituted the old amalgam restorations by composites and placed a .060″ clear retainer on the lower arch. Notice the slight rotation of 41 during this phase. Upper retention was not needed. The implant on 21 may have acted as a retainer. No motion was observed before or after this phase on the upper teeth.
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Final result, at right and left laterality
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Before, intermediate and final stages of the front crowns.
Final result on maximum intercuspidation.