Simple retraction of maxillary incisors using maxillary molars as anchorage is an example of:

 # Simple retraction of maxillary incisors using maxillary molars as anchorage is an example of:

A. Simple anchorage

B. Reciprocal anchorage

C. Stationary anchorage

D. Intermaxillary anchorage

The correct answer is C. Stationary anchorage. 

An anchor tooth or source, which does not move against the forces of teeth to be pulled is stationary

anchorage. In a real sense, only the extraoral source of anchorage derived from headgear would be a stationary anchorage. The anchor tooth being housed in a bioactive environment would show some degree of movement and hence cannot be classified as a stationary anchorage in a real sense.