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Modified single rigid vacuum-formed indirect bonding trays for lingual bracket application: a case report Cover

Modified single rigid vacuum-formed indirect bonding trays for lingual bracket application: a case report

Australasian Orthodontic Journal
Volume 40 (2024): Issue 2 (July 2024)
By:
Open Access
|Sep 2024

Figures & Tables

Figure 1.

Pre-treatment extraoral and intraoral photographs.
Pre-treatment extraoral and intraoral photographs.

Figure 2.

Pre-treatment panoramic and cephalometric radiographs and tracing graphs.
Pre-treatment panoramic and cephalometric radiographs and tracing graphs.

Figure 3.

Digital orthodontic setup and bracket placement.
Digital orthodontic setup and bracket placement.

Figure 4.

Virtual blocking out of bracket undercuts to facilitate rigid tray removal and 3D printing of models with ideal bracket positions.
Virtual blocking out of bracket undercuts to facilitate rigid tray removal and 3D printing of models with ideal bracket positions.

Figure 5.

Fabrication of single rigid vacuum-formed indirect bonding trays and insertion of lingual brackets.
Fabrication of single rigid vacuum-formed indirect bonding trays and insertion of lingual brackets.

Figure 6.

Intraoral photographs at the nineteenth month.
Intraoral photographs at the nineteenth month.

Figure 7.

Post-treatment extraoral and intraoral photographs.
Post-treatment extraoral and intraoral photographs.

Figure 8.

Post-treatment panoramic and cephalometric radiographs and tracing graphs.
Post-treatment panoramic and cephalometric radiographs and tracing graphs.

Figure 9.

General and regional lateral cephalometric superimpositions: black, pre-treatment; red, post-treatment.
General and regional lateral cephalometric superimpositions: black, pre-treatment; red, post-treatment.

Figure 10.

Superimpositions of the post-treatment intraoral scans (green) with the orthodontic setup models (yellow).
Superimpositions of the post-treatment intraoral scans (green) with the orthodontic setup models (yellow).

Figure 11.

One-year post-retention extraoral and intraoral photographs.
One-year post-retention extraoral and intraoral photographs.

Deviations between bonded and planned bracket positions

Tooth typeLinear dimensionAngular dimension
MD (mm)BL (mm)OG (mm)Rotation (°)Tip (°)Torque (°)
Incisor0.0550.0470.0501.2521.3501.907
  Upper0.0360.0280.0511.1132.0522.248
  Lower0.0740.0660.0491.3900.6491.567
Canine0.0570.0220.0480.6891.8170.829
  Upper0.0610.0210.0510.6591.6690.621
  Lower0.0520.0230.0460.7201.9661.036
Premolar0.0640.0540.0861.0750.9931.157
  Upper0.0870.0730.1331.4821.1821.597
  Lower0.0410.0340.0380.6690.8040.717
Molar0.0400.0510.0870.5420.9222.386
  Upper0.0280.0310.1120.5590.8161.798
  Lower0.0510.0700.0620.5251.0282.974
Total0.052*0.045*0.068*0.892*1.226*1.762

Cephalometric measurements

PretreatmentPosttreatment
Skeletal
  SNA (°)82.481.3
  SNB (°)78.678.7
  ANB (°)3.82.6
  FMA (°)26.325.7
Dental
  U1-SN (°)110.2100.4
  U1-NA (°)27.818.9
  U1-NA (mm)9.82.8
  L1-MP (°)97.889.0
  L1-NB (°)34.824.2
  L1-NB (mm)9.84.2
  Interincisal angle (°)113.6133.9
Soft tissue
  Upper lip/E-line (mm)2.2-0.8
  Lower lip/E-line (mm)4.80.8
DOI: https://doi.org/10.2478/aoj-2024-0020 | Journal eISSN: 2207-7480 | Journal ISSN: 2207-7472
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Language: English
Page range: 40 - 50
Submitted on: Apr 1, 2024
Accepted on: Jul 1, 2024
Published on: Sep 24, 2024
Published by: Australian Society of Orthodontists Inc.
In partnership with: Paradigm Publishing Services
Publication frequency: 1 times per year
Related subjects:
Medicine,
Basic medical science,
Basic medical science, other

© 2024 Anh Viet Nguyen, Anh Thuy Nguyen, published by Australian Society of Orthodontists Inc.
This work is licensed under the Creative Commons Attribution 4.0 License.

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