Non-Extraction Orthodontic Camouflage for Severe Class II Malocclusion Post-TMJ Gap Arthroplasty: A Case Report
Abstract
:1. Introduction
2. Diagnosis and Etiology
3. Treatment Objectives
- Improve the skeletal Class II by addressing the retrognathic mandible.
- Improve the convex facial profile.
- Establish lip competency.
- Improve upper incisor proclination.
- Close upper spacing.
- Relieve lower crowding.
- Level and align the teeth.
- Improve the occlusal cant.
- Improve the overjet.
- Improve the overbite.
- Improve molar and canine relationships.
- Monitor third molar development.
- Monitor the left TMJ.
- Retain final alignment and occlusion.
4. Treatment Alternatives
- Bilateral sagittal split osteotomy
- Mandibular distraction osteogenesis
- Genioplasty
- Extractions and orthodontic camouflage
5. Treatment Progress
6. Treatment Results
7. Discussion
8. Conclusions
Author Contributions
Funding
Informed Consent Statement
Data Availability Statement
Conflicts of Interest
References
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Variable | Pre-Treatment | Post-Treatment | |||
---|---|---|---|---|---|
Value | Norm | SD | Value | Change | |
SNA (°) | 83.0 | 82.0 | 3.5 | 84.4 | 1.4 |
SNB (°) | 72.7 | 80.0 | 3.0 | 77.7 | 5.0 |
ANB (°) | 10.3 | 2.0 | 2.4 | 8.8 | −1.5 |
Wits appraisal (mm) | 15.8 | −1.0 | 1.0 | 10.3 | −5.5 |
Maxillary-mandibular planes angle (°) | 19.0 | 25.0 | 6.0 | 23,7 | 4.7 |
SN-maxillary planes angle (°) | 7.1 | 8.2 | 3.3 | 6.5 | −0.6 |
Lower face height ratio (%) | 52.9 | 55.0 | 3.0 | 54.8 | 1.9 |
Upper incisors to maxillary plane (°) | 121.9 | 110.0 | 5.0 | 114.5 | −7.4 |
IMPA (°) | 117.3 | 95.0 | 7.0 | 113.0 | −4.5 |
Interincisal angle (°) | 101.7 | 130.0 | 5.0 | 108.9 | 7.2 |
L1-Apo (mm) | 1.1 | 2.7 | 1.7 | 4.2 | 3.1 |
Upper lip to E-Plane (mm) | 1.5 | −3.0 | 2.0 | −0.2 | −1.7 |
Lower lip to E-Plane (mm) | 1.5 | −2.0 | 2.0 | 4.9 | 3.4 |
A-N perpendicular (mm) | 2.6 | 0.0 | 2.0 | 1.8 | −0.8 |
Pog-N perpendicular (mm) | −11.6 | 2.0 | 4.0 | −9.7 | 1.9 |
SN-GoGn (°) | 22.2 | 32.9 | 5.2 | 25.9 | 3.7 |
U1-SN (°) | 114.9 | 103.0 | 5.5 | 108.0 | −6.9 |
U1-NA (°) | 31.9 | 22.8 | 5.0 | 23.6 | −8.3 |
U1-NA (mm) | 7.0 | 4.3 | 2.7 | 2.3 | −4.7 |
L1-NB (°) | 36.1 | 25.3 | 6.0 | 38.8 | 2.7 |
L1-NB (mm) | 8.7 | 4.0 | 1.8 | 11.5 | 2.8 |
Overjet (mm) | 10.8 | 2.5 | 2.5 | 3.2 | −7.6 |
Overbite (mm) | 6.5 | 2.5 | 2.0 | 3.4 | −3.1 |
NLA (°) | 119.0 | 102.0 | 8.0 | 142.2 | 23.2 |
U lip-S line (mm) | 3.3 | 0.0 | 2.0 | 1.0 | −2.3 |
L lip-S line (mm) | 2.4 | 0.0 | 2.0 | 5.5 | 3.1 |
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Nalbantoglu, E.R.; Uckan, S.; Singh, P. Non-Extraction Orthodontic Camouflage for Severe Class II Malocclusion Post-TMJ Gap Arthroplasty: A Case Report. Oral 2025, 5, 45. https://doi.org/10.3390/oral5020045
Nalbantoglu ER, Uckan S, Singh P. Non-Extraction Orthodontic Camouflage for Severe Class II Malocclusion Post-TMJ Gap Arthroplasty: A Case Report. Oral. 2025; 5(2):45. https://doi.org/10.3390/oral5020045
Chicago/Turabian StyleNalbantoglu, Eser Rengin, Sina Uckan, and Parmjit Singh. 2025. "Non-Extraction Orthodontic Camouflage for Severe Class II Malocclusion Post-TMJ Gap Arthroplasty: A Case Report" Oral 5, no. 2: 45. https://doi.org/10.3390/oral5020045
APA StyleNalbantoglu, E. R., Uckan, S., & Singh, P. (2025). Non-Extraction Orthodontic Camouflage for Severe Class II Malocclusion Post-TMJ Gap Arthroplasty: A Case Report. Oral, 5(2), 45. https://doi.org/10.3390/oral5020045