You can choose which data elements to show and customize the color of certain objects of the data chart in Perio Chart.
To set the graphic chart display options
In Perio Chart, on the Options menu, click Display Options.
The Graphical Chart Display Options dialog box appears.
Select or clear the checkbox of any of the following data elements you want to show or hide: Gingival Margin, CAL, Probing Depth, Bleeding, Suppuration, MGJ, Mobility, and/or Furcation.
Note: The Red Flag Limit, Background, and Tooth Roots always appear.
To change the color for any of the data elements that have a color, do the following as needed:
Click the corresponding color swatch.
The Color dialog box appears.
Do one of the following:
To use a basic color as is, under Basic colors, select the desired box.
To define and use a custom color, do the following:
Under Basic colors, select the box of a color that is similar to the one you want to define.
Click Define Custom Colors to expand the dialog box.
Notes:
If you know the specific HSL color values you want, enter them in the Hue, Sat (for saturation), and Lum (for luminosity) boxes.
If you know the specific RGB color values you want, enter them in the Red, Green, and Blue boxes.
Click
anywhere on the rainbow swatch, or drag the cross hairs 
to any location on the
rainbow swatch.
Click
anywhere on the narrow horizontal luminosity bar, or drag the arrow 
up or down to brighten or darken the color.
Click Add to Custom Color.
Under Custom colors, select the box of the newly-added color.
Click OK.
To change the colors that are used for exam comparisons, do the following:
Click Comparison Colors >>.
The Comparison Colors dialog box appears.
To change the color for any of the data elements that have a color, do the following as needed:
Click the corresponding color swatch.
The Color dialog box appears.
Do one of the following:
To use a basic color as is, under Basic colors, select the desired box.
To define and use a custom color, do the following:
Under Basic colors, select the box of a color that is similar to the one you want to define.
Click Define Custom Colors to expand the dialog box.
Notes:
If you know the specific HSL color values you want, enter them in the Hue, Sat (for saturation), and Lum (for luminosity) boxes.
If you know the specific RGB color values you want, enter them in the Red, Green, and Blue boxes.
Click
anywhere on the rainbow swatch, or drag the cross hairs to any location on the
rainbow swatch.
Click
anywhere on the narrow horizontal luminosity bar, or drag the arrow up or down to brighten or darken the color.
Click Add to Custom Color.
Under Custom colors, select the box of the newly-added color.
Click OK.
To return the comparison colors to the default colors, click Defaults.
Click OK.
To return all the data element colors (but not the comparison colors) to the default colors, click Defaults.
Click OK.