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Cephalometric effects of the elastodontic appliance in managing skeletal Class II division 1 cases Cover

Cephalometric effects of the elastodontic appliance in managing skeletal Class II division 1 cases

Open Access
|Oct 2021

Figures & Tables

Figure 1.

Elastodontic appliance.
Elastodontic appliance.

Figure 2.

(A) Pre-treatment intra-oral photographs; (B) post-treatment intra-oral photographs.
(A) Pre-treatment intra-oral photographs; (B) post-treatment intra-oral photographs.

Figure 3.

Landmarks.
Landmarks.

Figure 4.

Reference lines for cephalometric analysis.
Reference lines for cephalometric analysis.

Skeletal differences_

PatientsGroup EAGroup C
T0T1T0T1
SN-PO
 Mean15.0915.2715.8912.07
 StD5.0007.0573.2714.055
P n.s (t - test) P** (Mann–Whitney)
SN-Go-Me
 Mean32.5831.5834.6133.76
 StD4.0804.8593.7963.993
P n.s. (Mann–Whitney) P** (t - test)
LFH
 Mean60.9464.8669.1168.00
 StD9.04310.719.3288.882
P P* (t - test)n.s. (Mann–Whitney)
Ar-Go-Me
 Mean127.3126.1134.7132.6
 StD8.3517.0746.1175.604
P n.s. (t - test)n.s. (Mann–Whitney)
Ar-Go-N
 Mean53.4452.3758.8857.89
 StD4.6444.2802.8564.002
P n.s (t - test)n.s (Mann–Whitney)
N-Go-Me
 Mean73.8273.6875.8174.75
 StD4.8264.1474.6483.892
P n.s. (Mann–Whitney) P* (t - test)
Co-Gn
 Mean103.3112.6118.9118.4
 StD15.7417.0312.7314.05
P P*(Mann–Whitney)n.s. (Mann–Whitney)
SN-PP
 Mean7.9297.9247.0466.267
 StD4.2304.6234.0595.188
P n.s. (Mann–Whitney)n.s. (t - test)

Dental and aesthetic differences_

PatientsGroup EAGroup C
T0T1T0T1
1+SN
 Mean96.85100.9107105.9
 StD10.847.7754.8275.809
P P** (Mann–Whitney)n.s. (t - test)
1-GoMe
 Mean95.9897.290.8591.18
 StD3.0926.3476.4867.244
P n.s. (t - test)n.s. (Mann–Whitney)
1+TVL
 Mean−9.661−8.838−11.98−10.57
 StD2.4642.2422.8202.549
P n.s. (t - test) P* (Mann–Whitney)
A’-TVL
 Mean0.3680.042−0.24000.0480
 StD1.7490.93120.68672.006
P n.s. (Mann–Whitney)n.s. (t - test)
Ls-TVL
 Mean2.0952.0431.4930.7110
 StD2.1352.2641.9213.263
P n.s. (Mann–Whitney)n.s. (t - test)
Li-TVL
 Mean−2.333−1.429−5.448−3.779
 StD2.9643.3584.0043.480
P n.s. (t - test) P** (t - test)
B’-TVL
 Mean−12.19−10.4−15.81−13.86
 StD2.9673.9505.1203.748
P P** (t - test)n.s. (t - test)
Pog’-TVL
 Mean−12.85−10.01−17.73−14.43
 StD3.4233.5125.4285.496
P P** (Mann–Whitney) P* (t - test)

Comparison of skeletal, dental, and aesthetic variables between two groups_

Skeletal variablesEA/C
P
SN-PO0.1199n.s.
SN-Go-Me0.3378n.s.
LFH0.0408P*
Ar-Go-Me0.5780n.s.
Ar-Go-N0.9342n.s.
N-Go-Me0.9342n.s.
Co-Gn0.0173 P*
SN-PP0.8513n.s.
Dental variables
 1+SN0.1139n.s.
 1-GOME0.6107n.s.
 1+TVL0.3133n.s.
Aesthetic variables
 A’-TVL0.3472n.s.
 Ls-TVL0.3150n.s.
 Li-TVL0.9453n.s.
 B’-TVL0.6997n.s.
 Pog’-TVL0.7158n.s.
DOI: https://doi.org/10.21307/aoj-2021.026 | Journal eISSN: 2207-7480 | Journal ISSN: 2207-7472
Language: English
Page range: 251 - 258
Published on: Oct 1, 2021
Published by: Australian Society of Orthodontists Inc.
In partnership with: Paradigm Publishing Services
Publication frequency: 1 issue per year

© 2021 Domenico Ciavarella, Alessandra Campobasso, Roberta Campa, Carmela Suriano, Gaetano Illuzzi, Angela Pia Cazzolla, Michele Tepedino, published by Australian Society of Orthodontists Inc.
This work is licensed under the Creative Commons Attribution 4.0 License.