What role do do-nothing simulation tools play in dental case acceptance conversations? They make the consequences of declining treatment as visible and concrete as the benefits of accepting it, which lets patients weigh both sides honestly during the decision. Dental case presentations have traditionally focused on showing patients what they would gain through treatment. Less attention has gone to showing them what they will continue to lose by doing nothing. Modern simulation technology fills that gap. Computer-generated graphics can project bone loss progression over the next five years if periodontal disease goes untreated. Facial collapse from continued bone resorption under dentures [...]