Magnitude of orthodontic forces and rate of bodily tooth movement. An experimental study

TLDR: It is concluded that under the circumstances of this study magnitude of force is not decisive in determining the rate of bodily tooth movement, but individual characteristics are.

About: This article is published in American Journal of Orthodontics and Dentofacial Orthopedics.The article was published on 1996-07-01 and is currently open access. It has received 243 citations till now.

Figures

Table II. Mean duration (days) and SD of the initial phase (1), phase of arrest of tooth movement (2), and acceleration phase (3) of the second premolar for forces of 50, 100, and 200 gm

Table III. Mean rate of tooth movement (|i,m/day) and SD for the forces of 50, 100, and 200 gm during the initial phase (1), arrest of tooth movement (2), acceleration phase (3), and linear tooth movement (4)

Fig. 4. Time-displacement curves of experimental sides of three different dogs with force of 100 gm.

Fig. 3. Example of tooth-displacement curve divided into four phases. Phase 1 = initial tooth movement, phase 2 = arrest of tooth movement, phase 3 = acceleration of tooth move ment, and phase 4 = constant linear tooth movement.

Table IV. Mesial movement of the anchorage unit as a percentage (%) and SD of the total amount of tooth movement for the force groups of 50, 100, and 200 gm during phases 1, 3, and 4