Influence of BMI percentile on craniofacial morphology and development in adolescents,Part II : elevated BMI is associated with larger final facial dimensions
© The Author(s) 2023. Published by Oxford University Press on behalf of the European Orthodontic Society..
BACKGROUND: Prevalence of adolescent obesity has markedly increased from 5.2% in 1974 to 19.7% in 2021. Understanding the impacts of obesity is important to orthodontists, as growth acceleration and greater pre-pubertal facial dimensions are seen in children with elevated body mass index (BMI).
METHODS: To identify whether adolescent obesity shifts the timing and rate of craniofacial growth resulting in larger post-treatment dimensions, we evaluated cephalometric outcomes in overweight/obese (BMI > 85%, n = 168) and normal weight (n = 158) adolescents (N = 326 total). Cephalometric measurements were obtained from pre- and post-treatment records to measure growth rates and final dimensions and were statistically evaluated with repeated measures analysis of variance and linear regression models.
RESULTS: Overweight and obese adolescents began and finished treatment with significantly larger, bimaxillary prognathic craniofacial dimensions, with elevated mandibular length [articulare-gnathion (Ar-Gn)], maxillary length [condylion-anterior nasal spine (Co-ANS), posterior nasal spine-ANS (PNS-ANS)], and anterior lower face height (ANS-Me), suggesting overweight children grow more overall. However, there was no difference between weight cohorts in the amount of cephalometric change during treatment, and regression analyses demonstrated no correlation between change in growth during treatment and BMI. BMI percentile was a significant linear predictor (P < 0.05) for cephalometric post-treatment outcomes, including Ar-Gn, Co-ANS, ANS-Me, upper face height percentage (UFH:total FH, inverse relationship), lower face height percentage (LFH:total FH), sella-nasion-A-point (SNA), and SN-B-point (SNB).
LIMITATIONS: The study is retrospective.
CONCLUSIONS: Growth begins earlier in overweight and obese adolescents and continues at a rate similar to normal-weight children during orthodontic treatment, resulting in larger final skeletal dimensions. Orthodontics could begin earlier in overweight patients to time care with growth, and clinicians can anticipate that overweight/obese patients will finish treatment with proportionally larger, bimaxillary-prognathic craniofacial dimensions.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2024 |
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| Erschienen: |
2024 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:46 |
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| Enthalten in: |
European journal of orthodontics - 46(2024), 1 vom: 01. Jan. |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Hancock, Steven [VerfasserIn] |
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| Links: |
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| Anmerkungen: |
Date Completed 12.01.2024 Date Revised 10.02.2024 published: Print Citation Status MEDLINE |
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| doi: |
10.1093/ejo/cjad043 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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| 100 | 1 | |a Hancock, Steven |e verfasserin |4 aut | |
| 245 | 1 | 0 | |a Influence of BMI percentile on craniofacial morphology and development in adolescents,Part II |b elevated BMI is associated with larger final facial dimensions |
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| 500 | |a Date Revised 10.02.2024 | ||
| 500 | |a published: Print | ||
| 500 | |a Citation Status MEDLINE | ||
| 520 | |a © The Author(s) 2023. Published by Oxford University Press on behalf of the European Orthodontic Society. | ||
| 520 | |a BACKGROUND: Prevalence of adolescent obesity has markedly increased from 5.2% in 1974 to 19.7% in 2021. Understanding the impacts of obesity is important to orthodontists, as growth acceleration and greater pre-pubertal facial dimensions are seen in children with elevated body mass index (BMI) | ||
| 520 | |a METHODS: To identify whether adolescent obesity shifts the timing and rate of craniofacial growth resulting in larger post-treatment dimensions, we evaluated cephalometric outcomes in overweight/obese (BMI > 85%, n = 168) and normal weight (n = 158) adolescents (N = 326 total). Cephalometric measurements were obtained from pre- and post-treatment records to measure growth rates and final dimensions and were statistically evaluated with repeated measures analysis of variance and linear regression models | ||
| 520 | |a RESULTS: Overweight and obese adolescents began and finished treatment with significantly larger, bimaxillary prognathic craniofacial dimensions, with elevated mandibular length [articulare-gnathion (Ar-Gn)], maxillary length [condylion-anterior nasal spine (Co-ANS), posterior nasal spine-ANS (PNS-ANS)], and anterior lower face height (ANS-Me), suggesting overweight children grow more overall. However, there was no difference between weight cohorts in the amount of cephalometric change during treatment, and regression analyses demonstrated no correlation between change in growth during treatment and BMI. BMI percentile was a significant linear predictor (P < 0.05) for cephalometric post-treatment outcomes, including Ar-Gn, Co-ANS, ANS-Me, upper face height percentage (UFH:total FH, inverse relationship), lower face height percentage (LFH:total FH), sella-nasion-A-point (SNA), and SN-B-point (SNB) | ||
| 520 | |a LIMITATIONS: The study is retrospective | ||
| 520 | |a CONCLUSIONS: Growth begins earlier in overweight and obese adolescents and continues at a rate similar to normal-weight children during orthodontic treatment, resulting in larger final skeletal dimensions. Orthodontics could begin earlier in overweight patients to time care with growth, and clinicians can anticipate that overweight/obese patients will finish treatment with proportionally larger, bimaxillary-prognathic craniofacial dimensions | ||
| 650 | 4 | |a Journal Article | |
| 650 | 4 | |a bimaxillary prognathism | |
| 650 | 4 | |a body mass index | |
| 650 | 4 | |a cervical vertebrae maturation | |
| 650 | 4 | |a craniofacial development | |
| 650 | 4 | |a craniofacial morphology | |
| 650 | 4 | |a dentofacial disharmony | |
| 650 | 4 | |a development | |
| 650 | 4 | |a growth | |
| 650 | 4 | |a malocclusion | |
| 650 | 4 | |a obesity | |
| 650 | 4 | |a orthodontics | |
| 650 | 4 | |a treatment timing | |
| 700 | 1 | |a Carmack, Andrea |e verfasserin |4 aut | |
| 700 | 1 | |a Kocher, Mallory |e verfasserin |4 aut | |
| 700 | 1 | |a Rezende Silva, Erika |e verfasserin |4 aut | |
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| 700 | 1 | |a Mitchell, Kelly |e verfasserin |4 aut | |
| 700 | 1 | |a Jacox, Laura Anne |e verfasserin |4 aut | |
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