Operation Zahnarzt (literally "Operation Dentist") was a plan by the Germans to eliminate the Third Army during World War II. By 21 December 1944, the German momentum during the Battle of the Bulge had begun to dissipate.
The Germans had Operation Dentist, an aim to eliminate the Third Army during WWII. At that point, however, their advance in the Battle of the Bulge was slowing down by December 21, 1944.