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Case report: early class III correction using titanium dental implants and facemask therapy: a 24-year follow-up

Nida Khan

Nida Khan

The University of Western AustraliaNedlands, Australia
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Khan, Nida
, 
John Stamatis

John Stamatis

The University of Western AustraliaNedlands, Australia
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Stamatis, John
, 
Robert Bower

Robert Bower

The University of Western AustraliaNedlands, Australia
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Bower, Robert
, 
Patrick J. Henry

Patrick J. Henry

The University of Western AustraliaNedlands, Australia
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Henry, Patrick J.
 y 
Mithran Goonewardene

Mithran Goonewardene

The University of Western AustraliaNedlands, Australia
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Goonewardene, Mithran
  
14 jul 2022
Case report: early class III correction using titanium dental implants and facemask therapy: a 24-year follow-up's Cover Image
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Publicado en línea: 14 jul 2022
Páginas: 213 - 226
Recibido: 01 dic 2021
Aceptado: 01 may 2022
DOI: https://doi.org/10.2478/aoj-2022-0024
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© 2022 Nida Khan et al., published by Sciendo
This work is licensed under the Creative Commons Attribution 4.0 International License.

Figure 1.

Pre-treatment photographs.
Pre-treatment photographs.

Figure 2.

Pre-treatment dental casts.
Pre-treatment dental casts.

Figure 3.

Pre-treatment lateral cephalogram and orthopantomogram.
Pre-treatment lateral cephalogram and orthopantomogram.

Figure 4.

Tubinger facemask with photos demonstrating intraoral anchors.
Tubinger facemask with photos demonstrating intraoral anchors.

Figure 5.

Completion of full fixed appliances photographs (1994).
Completion of full fixed appliances photographs (1994).

Figure 6.

Post-Facemask lateral cephologram and orthopantomogram (1996).
Post-Facemask lateral cephologram and orthopantomogram (1996).

Figure 7.

Profile view of Pre-tx (1991), Post FM treatment (1996) and 24 years post FM Treatment (2020).
Profile view of Pre-tx (1991), Post FM treatment (1996) and 24 years post FM Treatment (2020).

Figure 8.

Superimposition of initial (1991; black), post treatment (1996; blue) and Twenty-four year retention (2020; red) on Sella-Nasion.
Superimposition of initial (1991; black), post treatment (1996; blue) and Twenty-four year retention (2020; red) on Sella-Nasion.

Figure 9.

Twenty-four years post-FM cessation photographs.
Twenty-four years post-FM cessation photographs.

Figure 10.

Twenty-four years post-FM cessation lateral cephalogram and orthopantomogram.
Twenty-four years post-FM cessation lateral cephalogram and orthopantomogram.

Figure 11.

Twenty-four years post-FM cessation dental casts.
Twenty-four years post-FM cessation dental casts.

Cephalometric Measurements_

Immediate effects Medium and long term observations
Measurement Pre-treatment RME completion Full fixed appliance completion FM completion 2 Years post FM cessation 11 Years post FM cessation 24 Years post FM cessation
SNA ( ) 76 78 79 79.5 79 79 79
SNB (°) 83 81 81 81 82 81.5 81
ANB (°) -7 -3 -2 -1.5 -3 -2.5 -2
WITS (mm) -13 -7 -8 -8 -9 -5 -5
NAPog (°) -7 -3 -2.5 -3 -3 -3.5 -4
SN – PP (°) 8 7 3 8 7.5 4 3
SN-GoGn(°) 34 34 38 38 38 39 40
Co-A (mm) 69 75 75 76 76 77 785
Co- Pog (mm) 95 100 104 107 109 110 122
LAFH/TAFH (%) 56 58 60 59 61 60 61
U1 – PP (°) 113 111 110 110 110 106 110
U1 – NA (°) 28 27 28 28 25 18 28
L1-MP (°) 76 58 68.5 75 77 77 64
L1-NB (°) 15 3 10.5 15 19 19 10
Interincisal angle (°) 144 160 144 136 136 144 146
NLA (°) 60 90 92 94 94 106 104
Ulip-E line (mm) -9 -4 -4 -7 -8 -9 -12
Llip-E line (mm) 3 1 0 -1 -1 -3 -3
OJ (mm) -5 3 2 2 -1.5 -2 1
OB (mm) 4 2 3 2 1 2 1

Clinical measurements_

Pre treatment RME completion Full fixed appliance completion Retention (1 year prior FM completion) Prior to re-treatment (11 years post FM) After re-treatment 24 Years Post treatment
Overbite (%) 60 40 10 15 10 40 20
Overjet (mm) -5 4 2.5 2 -1 3 1
Incisor relationship III II I I III I I
Molar relationship III II I I I I I
Intermolar width Mx (mm) 45 47 45 45 45 43 42
Arch Depth Mx (mm) 25 20 21 21 19 21 20
Intermolar width Md (mm) 39 42 36 37 37 37 37
Arch Depth Md (mm) 23 18 15 15 15 15 16
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Medicina, Ciencias médicas básicas, Ciencias médicas básicas, otros
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