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CAD/CAM - international magazine of digital dentistry

I special _ smile analysis and smile design Digitallycreatingnewaestheticteeth Next, follow these suggested steps: _With the new tooth grid layer and the magic wand tool both activated, click on each tooth to select all of the teeth in the grid (Fig. 30). _Expand the selection by two pixels in the expand menu;click“select>modify>expand”(Fig.31).Note that the selection better approximates the grid. You can expand the selection or contract as necessary using the same menu. _Activate the layer of the teeth (cheek-retracted view) by clicking on it (Fig. 32). _Next, activate the liquify filter (you will see a red mask around the shapes of the proposed teeth). The mask creates a digital limit that the teeth cannot be altered beyond. This is similar to cre- ating a mask with tape for painting a shape (Fig. 33). _Use the forward warp tool by clicking on an area of the existing tooth and dragging to mold/shape the tooth into the shape of the new proposed outline form (Fig. 34). Repeat this for each tooth. If you make a mistake or do not like something, click command (or control) and “z” to go back to the previous edit (Fig. 35). Adjustingtoothbrightness The following steps are recommended next: _Select the whitening tool (dodge tool) to brighten the teeth. In the dodge tool palate, click on “mid- tones” and set the exposure to approximately 20%. Click on the areas of the tooth you want brightened (Figs. 36 & 37). _Alternatively,withtheteethselected,youcanusethe brightness adjustment in the brightness/contrast menu; click “image > adjustments > brightness/ contrast”. Performing the changes on only one side of the mouth allows the patient to compare the new smile design to his/her original teeth before agreeing to treatment. Createacopy Tosavetheinformationyouhavecreatedforpres- entation to the patient, follow these tips: _Go to “file” and select “save as.” _When the menu appears, click on the “copy” box. _Name the file at that step. _Save it as a JPEG file type. _Designate where you want it saved. _Click “save.” Afileofthecurrentstateoftheimagewillbecreated in the designated area. You can now continue working ontheimageandsaveagainatanypointyouwant. _Conclusion Knowledgeofsmiledesign,coupledwithnewand innovative dental technologies, allows dentists to diagnose,plan,create,anddeliveraestheticallypleas- ing new smiles. Simultaneously, digital dentistry is enabling dentists to provide what patients demand: quick, comfortable, and predictable dental restora- tions that satisfy their aesthetic needs._ Editorial note: A complete list of references is available fromthepublisher. This article was originally published in the Journal of Cosmetic Dentistry, spring issue, No 1/2013, Vol. 29, and theClinicalMastersMagazineNo1/2015. Fig. 36_Tooth brightness is adjusted using commands from the dodge tool menu or image adjustments menu. Fig. 37_Image of all the teeth whitened with the dodge tool. 18 I CAD/CAM 2_2015 Prof.EdwardA.McLaren, DDS,isthedirectorofthe UniversityofCalifornia, LosAngelesCenterfor EstheticDentistryin California,US. Hemaintainsaprivate practiceinLosAngeles. Lee Culp, CDT,is an adjunct faculty member at the University of North Carolina at Chapel Hill School of Dentistry in the US and an accredited member of theAmerican Academy of Cosmetic Dentistry.He practices in Dublin,California,and Raleigh,North Carolina. CAD/CAM_authors Fig. 36 Fig. 37

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