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How to make teeth whiter in Gimp
Let's learn a simple yet effective teeth whitening technique in free image editing program Gimp.
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1.
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Open a picture where you want to make teeth more white.
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2.
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In the menu click Layer and choose New Layer...
Choose Transparency as a Layer Fill Type and click OK.
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3.
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Choose the Paintbrush Tool.
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4.
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Click the brush type button and choose Circle Fuzzy brush.
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5.
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Set the Scale of a brush so it covers about 1/3 of a tooth.
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6.
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Set the new layer Mode to Saturation.
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7.
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Now hold Ctrl key and use a mouse wheel to zoom in on the teeth.
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8.
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Now start painting the teeth to make them white ...
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9.
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... paint all of the teeth.
I still need to fix the dirty gray parts.
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10.
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Right click a layer ...
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11.
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... choose Merge Visible Layers...
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13.
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Choose the Clone Tool.
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14.
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Set the opacity to about 67, brush type should be Circle Fuzzy, and set a smaller scale than you did before.
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15.
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Now press and hold Ctrl key and click on a white spot of a tooth and release Ctrl key.
This way you select a source area of a clone brush.
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16.
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Now start painting over the gray areas.
You will probably need to change the clone source a couple of times the same way you did in the previous step and change the scale of a clone brush for better result.
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17.
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Done!
The end result depends on how much time you are willing to invest.
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