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Table 2 Stress in two points from the models of maxillary central incisors during intrusive force loading

From: Effects of crown-root angle on stress distribution in the maxillary central incisors’ PDL during application of intrusive and retraction forces: a three-dimensional finite element analysis

Node

CR 166.7°

Stress in C1

CRA 173.4°

Stress in C2

C1-C2difference

7,208

B1

0.0044615

B1

0.0039134

0.0005481

7,533

B2

0.0017597

B2

0.0017262

0.0000334

7,807

B3

0.0051819

B3

0.0047076

0.0004742

7,195

P1

0.0057442

P1

0.0053448

0.0003994

7,502

P2

0.0006166

P2

0.0006907

-0.0000740

7,763

P3

0.0043620

P3

0.0037993

0.0005628

7,185

A

0.0023313

A

0.0021130

0.0002182

  1. A, apex; B1, a node in the labial surface, near the apex; B2, a node in the labial surface, near the middle of the root; B3, a node in the labial surface, near the cervix; CRA, crown-root angle; P1, a node in the palatal surface, near the apex; P2, a node in the palatal surface, near the middle of the root; P3, a node in the palatal surface, near the cervix. Stress in two points from the models of maxillary central incisors with crown-root angles of 166.7° and 173.4° during intrusive force loading and the differences between these corresponding points.