Comparison of surgical and non-surgical orthodontic treatment approaches on occlusal and cephalometric outcomes in patients with Class II Division I malocclusions

Sheila Daniels; Patrick Brady; Arya Daniels; Stacey Howes; Kyungsup Shin; Satheesh Elangovan; Veerasathpurush Allareddy

doi:10.1186/s40510-017-0171-3

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Comparison of surgical and non-surgical orthodontic treatment approaches on occlusal and cephalometric outcomes in patients with Class II Division I malocclusions

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Comparison of surgical and non-surgical orthodontic treatment approaches on occlusal and cephalometric outcomes in patients with Class II Division I malocclusions

Sheila Daniels, Patrick Brady, Arya Daniels, Stacey Howes, Kyungsup Shin, Satheesh Elangovan and Veerasathpurush Allareddy

Progress in orthodontics, Vol.18(1), pp.16-16

12/2017

DOI: 10.1186/s40510-017-0171-3

PMCID: PMC5494283

PMID: 28580542

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Abstract

This study aimed to examine end-of-treatment outcomes of severe Class II Division I malocclusion patients treated with surgical or non-surgical approaches. This study tests the hypotheses that occlusal outcomes (ABO-OGS) and cephalometric outcomes differ between these groups. A total of 60 patients were included: 20 of which underwent surgical correction and 40 of which did not. Cast grading of initial and final study models was performed and information was gathered from pre- to post-treatment cephalometric radiographs. The end-of-treatment ABO-OGS and cephalometric outcomes were compared to Mann-Whitney U tests and multivariable linear regression models. Following adjustment for multiple confounders (age, gender, complexity of case, and skeletal patterns), the final deband score (ABO-OGS) was similar for both groups (23.8 for surgical group versus 22.5 for non-surgical group). Those treated surgically had a significantly larger reduction in ANB angle, 3.4° reduction versus 1.5° reduction in the non-surgical group (p = 0.002). The surgical group also showed increased maxillary incisor proclination (p = 0.001) compared to the non-surgical group. This might be attributed to retroclination of maxillary incisors during treatment selection in the non-surgical group-namely, extraction of premolars to mask the discrepancy. Those treated surgically had a significantly larger reduction in ANB angle and increased maxillary incisor proclination compared to those treated non-surgically with no significant changes in occlusal outcomes.

Malocclusion, Angle Class II - surgery

Humans

Incisor - pathology

Male

Treatment Outcome

Cephalometry

Tooth Extraction - methods

Tooth Movement Techniques

Malocclusion, Angle Class II - therapy

Malocclusion, Angle Class II - pathology

Adolescent

Female

Child

Details

Title: Subtitle: Comparison of surgical and non-surgical orthodontic treatment approaches on occlusal and cephalometric outcomes in patients with Class II Division I malocclusions
Creators: Sheila Daniels - Department of Orthodontics, College of Dentistry and Dental Clinics, The University of Iowa, Iowa City, IA, USA
Patrick Brady - Department of Orthodontics, College of Dentistry and Dental Clinics, The University of Iowa, Iowa City, IA, USA
Arya Daniels - University of Michigan, Ann Arbor, MI, USA
Stacey Howes - College of Dentistry and Dental Clinics, The University of Iowa, Iowa City, IA, USA
Kyungsup Shin - Department of Orthodontics, College of Dentistry and Dental Clinics, The University of Iowa, Iowa City, IA, USA
Satheesh Elangovan - Department of Periodontics, College of Dentistry and Dental Clinics, The University of Iowa, Iowa City, IA, USA
Veerasathpurush Allareddy - Department of Orthodontics, College of Dentistry and Dental Clinics, The University of Iowa, Iowa City, IA, USA. Veerasathpurush-Allareddy@uiowa.edu
Resource Type: Journal article
Publication Details: Progress in orthodontics, Vol.18(1), pp.16-16
DOI: 10.1186/s40510-017-0171-3
PMID: 28580542
PMCID: PMC5494283
NLM abbreviation: Prog Orthod
ISSN: 1723-7785
eISSN: 2196-1042
Publisher: Germany
Grant note: DOI: 10.13039/100005648, name: American Association of Orthodontists Foundation, award: Biomedical Research Award
Language: English
Date published: 12/2017
Academic Unit: Roy J. Carver Department of Biomedical Engineering; Orthodontics; Pharmaceutical Sciences and Experimental Therapeutics; Craniofacial Anomalies Research Center; Public Policy Center (Archive); Periodontics
Record Identifier: 9984066000202771

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