Sometimes the gingival margin is above the cementoenamel junction (CEJ). In these cases, you should enter the gingival margin measurement as a positive number.
To enter a gingival margin measurement as a positive number
1. Select a patient.
2. From the Data Chart, select the tooth that you want to enter the gingival margin measurement for.
3. From the Data Entry section keypad, click the plus (+) key, and then click the appropriate number.
The number appears in white on a black square on the Data Chart.
Note: The plus (+) key only works when you are entering gingival margin measurements.