Comparison of mini-screw-assisted rapid maxillary expansion in adolescents with different body mass indices: a prospective clinical study

Suleyman Kutalmış Buyuk; Huseyin Simsek; Sedanur Hatal; Nilge Sarımehmetoglu; Didem Odabası

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Comparison of mini-screw-assisted rapid maxillary expansion in adolescents with different body mass indices: a prospective clinical study

Suleyman Kutalmış Buyuk

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| 17. Jan. 2022

Australasian Orthodontic Journal

Band 38 (2022): Heft 1 (January 2022)

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Online veröffentlicht: 17. Jan. 2022

Seitenbereich: 41 - 50

Eingereicht: 01. Okt. 2021

Akzeptiert: 01. Dez. 2021

DOI: https://doi.org/10.21307/aoj-2022.005

© 2022 Suleyman Kutalmış Buyuk et al., published by Sciendo

This work is licensed under the Creative Commons Attribution 4.0 International License.

Mini-screw-assisted rapid maxillary expansion.

(1) SNA, (2) SNB, (3) ANB, (4) gonial angle, (5) SN/GoMe, (6) FMA, (7) FMIA, (8) IMPA, (9) U1/SN, (10) nasolabial angle, (11) Z angle.

(1) Wits appraisal, (2) total anterior facial height, (3) lower anterior facial height, (4) U6/PP, (5) L6/MP.

(1) Bizygomatic width, (2) lateronasal width, (3) maxillomandibulare width, (4) maxillare width.

(1) Intercanine width, (2) palatal area, (3) intermolar width.

(1) Intercanine width, (2) intermolar width.

Comparison of initial (T0) lateral cephalometric between groups.

Parameters	Normal weightMean (SD)	Overweight obeseMean (SD)	P Value
Lateral cephalometric variables
SNA (°)	80.16 (4.40)	80.49 (4.62)	0.872^a
SNB (°)	76.79 (4.17)	77.33 (3.24)	0.750^a
ANB (°)	3.37 (1.62)	3.15 (3.18)	0.848^a
Gonial angle (°)	129.21 (6.28)	127.91 (8.13)	0.694^a
SN_GoMe (°)	37.23 (4.32)	37.02 (3.81)	0.909^a
FMA (°)	28.85 (5.47)	25.37 (5.33)	0.167^a
FMIA (°)	61.05 (6.93)	62.53 (7.85)	0.660^a
IMPA (°)	90.11 (4.67)	92.12 (7.83)	0.495^a
U1/SN (°)	100.71 (7.52)	102.76 (3.57)	0.446^a
Nasolabial angle (°)	113.74 (8.41)	106.87 (14.43)	0.210^a
Z angle (°)	87.47 (5.72)	93.41 (7.15)	0.055^a
Wits (mm)	−0.84 (2.89)	−0.89 (4.33)	0.976^a
Total anterior facial height (mm)	108.61 (4.80)	112.43 (5.05)	0.100^a
Lower anterior facial height (mm)	61.45 (4.23)	64.22 (4.48)	0.172^a
U6/PP (mm)	20.54 (1.92)	22.25 (1.73)	0.051^a
L6/PP (mm)	26.90 (1.87)	27.73 (1.53)	0.292^a

P-A cephalometric variables
Bizygomatic width (mm)	116.06 (4.38)	116.70 (3.78)	0.731^a
Lateronasal width (mm)	29.50 (2.39)	27.96 (2.68)	0.212^b
Maxillomandibulare width (mm)	76.04 (4.39)	75.03 (5.20)	0.645^a
Maxillary width (mm)	58.19 (4.75)	57.67 (3.46)	0.783^a

3D model measurement
Upper intercanine width (mm)	31.46(2.27)	32.81 (2.36)	0.207^b
Upper intermolar width (mm)	48.44 (3.15)	48.72 (2.98)	0.840^a
Palatal area (mm²)	1302.67 (147.84)	1271.10 (120.52)	0.607^a
Lower intercanine width (mm)	25.39 (2.61)	26.16 (1.57)	0.436^a
Lower intermolar width (mm)	47.08 (2.82)	47.07 (2.83)	0.995^a

Changes (T1-T0) in Normal weight and overweight-obese groups.

	Normal weight			Overweight obese

Parameters	T0Mean (SD)	T1Mean (SD)	P Value	T0Mean (SD)	T1Mean (SD)	P Value
Lateral cephalometric variables
SNA (°)	80.16 (4.40)	80.67 (4.10)	0.258^a	80.49 (4.62)	80.53 (4.37)	0.912 ^a
SNB (°)	76.79 (4.17)	76.48 (4.29)	0.285^b	77.33 (3.24)	77.48 (3.31)	0.630^a
ANB (°)	3.37 (1.62)	4.18 (1.62)	0.024^a	3.15 (3.18)	3.07 (2.90)	0.756^b
Gonial angle (°)	129.21 (6.28)	128.90 (7.09)	0.763^a	127.91 (8.13)	129.04 (8.11)	0.040^a
SN_GoMe (°)	37.23 (4.32)	38.10 (4.32)	0.080^a	37.02 (3.81)	37.43 (4.23)	0.429^a
FMA (°)	28.85 (5.47)	29.77 (6.60)	0.351^a	25.37 (5.33)	25.01 (4.97)	0.417^a
FMIA (°)	61.05 (6.93)	60.49 (8.70)	0.624^a	62.53 (7.85)	63.35 (5.96)	0.386^b
IMPA (°)	90.11 (4.67)	89.74 (3.57)	0.679^a	92.12 (7.83)	91.64 (6.11)	0.542^a
U1/SN (°)	100.71 (7.52)	101.60 (8.68)	0.486^a	102.76 (3.57)	102.80 (2.16)	0.973^b
Nasolabial angle (°)	113.74 (8.41)	112.44 (10.30)	0.530^a	106.87 (14.43)	110.96 (12.44)	0.003^a
Z angle (°)	87.47 (5.72)	84.29 (8.00)	0.045^a	93.41 (7.15)	93.61 (5.88)	0.826^a
Wits (mm)	−0.84 (2.89)	0.03 (1.2.89)	0.022^a	−0.89 (4.33)	−1.30 (4.27)	0.184^a
Total anterior facial height (mm)	108.61 (4.80)	110.15 (5.12)	0.005^a	112.43 (5.05)	113.50 (4.22)	0.096^a
Lower anterior facial height (mm)	61.45 (4.23)	63.09 (4.76)	0.004^a	64.22 (4.48)	64.88 (4.14)	0.188^a
U6/PP (mm)	20.54 (1.92)	20.11 (2.59)	0.259^a	22.25 (1.73)	21.96 (2.40)	0.439^a
L6/PP (mm)	26.90 (1.87)	27.06 (2.14)	0.630^a	27.73 (1.53)	27.97 (1.34)	0.254^a

P-A cephalometric variables
Bizygomatic width (mm)	116.06 (4.38)	116.59 (3.85)	0.239^a	116.70 (3.78)	117.26 (3.21)	0.059^a
Lateronasal width (mm)	29.50 (2.39)	29.94 (2.18)	0.182^b	27.96 (2.68)	29.68 (2.25)	<0.001^a
Maxillomandibulare width (mm)	76.04 (4.39)	75.64 (3.61)	0.497^a	75.03 (5.20)	76.03 (4.38)	0.136^a
Maxillary width (mm)	58.19 (4.75)	59.02 (3.58)	0.266^a	57.67 (3.46)	59.99 (3.57)	0.002^a

3D model measurements
Upper intercanine width (mm)	31.46 (2.27)	35.05 (2.49)	<0.001^a	32.81 (2.36)	35.65 (2.08)	<0.001^a
Upper intermolar width (mm)	48.44 (3.15)	54.05 (2.06)	<0.001^a	48.72 (2.98)	54.46 (2.70)	<0.001^a
Palatal area (mm²)	1302.67 (147.84)	1570.21 (167.13)	0.001^a	1271.10 (120.52)	1640.73 (139.00)	<0.001^a
Lower intercanine width (mm)	25.39 (2.61)	25.78 (2.43)	0.156^a	26.16 (1.57)	26.67 (1.60)	0.097^b
Lower intermolar width (mm)	47.08 (2.82)	47.30 (2.83)	0.621^a	47.07 (2.83)	47.14 (3.41)	0.851^a

Comparison of evaluated parameter changes (T1–T0) between groups.

Parameters	Normal weightMean (SD)	Overweight obeseMean (SD)	P Value
Lateral cephalometric variables
SNA (°)	0.51 (1.33)	0.04 (1.11)	0.403^a
SNB (°)	−0.31 (0.86)	0.15 (0.95)	0.272^a
ANB (°)	0.81 (0.94)	−0.08 (0.79)	0.068^b
Gonial angle (°)	−0.31 (3.16)	1.13 (1.49)	0.208^a
SN_GoMe (°)	0.87 (1.39)	0.41 (1.57)	0.497^a
FMA (°)	0.92 (2.96)	−0.36 (1.34)	0.112^b
FMIA (°)	−0.56 (3.49)	0.82 (2.74)	0.339^a
IMPA (°)	−0.37 (2.73)	−0.48 (2.39)	0.925^a
U1/SN (°)	0.89 (3.87)	0.04 (3.59)	0.617^a
Nasolabial angle (°)	−1.30 (6.29)	4.09 (3.28)	0.027^a
Z angle (°)	−3.18 (4.31)	0.20 (2.79)	0.052^a
Wits (mm)	0.87 (1.00)	−0.41 (0.90)	0.008^a
Total anterior facial height (mm)	1.54 (1.34)	1.10 (1.87)	0.344^a
Lower anterior facial height (mm)	1.64 (1.37)	0.66 (1.47)	0.111^a
U6/PP (mm)	−0.43 (1.13)	−0.29 (1.13)	0.785^a
L6/PP (mm)	0.16 (1.01)	0.24 (0.62)	0.834^a

P-A cephalometric variables
Bizygomatic width (mm)	0.53 (1.33)	0.56 (0.82)	0.940^b
Lateronasal width (mm)	0.44 (1.08)	1.72 (0.97)	0.012^a
Maxillomandibulare width (mm)	−0.40 (1.79)	1.00 (1.93)	0.110^a
Maxillary width (mm)	0.83 (2.21)	2.32 (1.70)	0.112^b

3D model measurements
Upper intercanine width (mm)	3.59 (1.50)	2.85 (1.33)	0.255^a
Upper intermolar width (mm)	5.61 (2.46)	5.74 (0.92)	0.877^a
Palatal area (mm²)	267.53 (152.39)	369.63 (112.09)	0.105^a
Lower intercanine width (mm)	0.39 (0.79)	0.52 (0.88)	0.733^a
Lower intermolar width (mm)	0.22 (1.36)	0.07 (1.12)	0.789^a

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Comparison of mini-screw-assisted rapid maxillary expansion in adolescents with different body mass indices: a prospective clinical study

Online veröffentlicht: 17. Jan. 2022

Seitenbereich: 41 - 50

Eingereicht: 01. Okt. 2021

Akzeptiert: 01. Dez. 2021

DOI: https://doi.org/10.21307/aoj-2022.005

© 2022 Suleyman Kutalmış Buyuk et al., published by Sciendo

This work is licensed under the Creative Commons Attribution 4.0 International License.

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Figure 6

Comparison of initial (T0) lateral cephalometric between groups.

Changes (T1-T0) in Normal weight and overweight-obese groups.

Comparison of evaluated parameter changes (T1–T0) between groups.