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
Institutional Review Board Statement
Informed Consent Statement
Data Availability Statement
Conflicts of Interest
Correction Statement
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