Theoretical evaluation – 3A2B Biological rule test

In the 3A-2B rule, 3A means:

In the 3A-2B rule, 2B means:

In the 3A-2B rule, the 3A is for:

In the 3A-2B rule, the 2B is for:

If during the analysis of the tomogram, the distance between the margin of the planned clinical crown to bone is 1 mm, the procedure will be:

If during the analysis of the tomogram, the distance between the margin of the planned clinical crown to bone is 3 mm, the procedure will be:

If during the analysis of the tomogram, the distance between the margin of the planned clinical crown to bone is 6 mm, and the plan is to obtain a natural size crown, the procedure will be:

The planned length of the crown will be determined by:

After application of the 3A-2B rule, pink esthetic can be achieved by:

To determine if is necessary to reduce bone, it is important to have: