Simple retraction of maxillary incisors using maxillary molars as anchorage is an example of: PGCEE MDS 2025

 # Simple retraction of maxillary incisors using maxillary molars as anchorage is an example of:  (PGCEE MDS 2025)

a) Simple anchorage 

b) Reciprocal anchorage

c) Stationary anchorage 

d) Intermaxillary anchorage

The correct answer is:

c) Stationary anchorage

Explanation:

Stationary anchorage refers to a type of anchorage where the resistance to unwanted tooth movement is achieved by using teeth that undergo minimal movement, usually due to bodily movement rather than tipping.

• In simple retraction of maxillary incisors using maxillary molars as anchorage, the molars provide resistance while the incisors move posteriorly. The molars remain relatively stable, which characterizes stationary anchorage.
• Other types of anchorage:
  • Simple anchorage – Resistance to movement provided by the PDL of the anchoring teeth.
  • Reciprocal anchorage – Two equal and opposite forces are applied, leading to movement of both units (e.g., space closure between two adjacent teeth).
  • Intermaxillary anchorage – Anchorage derived from teeth in the opposite arch (e.g., elastics from maxillary to mandibular teeth).