Evaluation of skeletal and dental asymmetries in Angle Class II subdivision malocclusions with cone-beam computed tomography.
Introduction: The purpose of this study was to determine whether Angle Class II subdivision malocclusions have skeletal or dental asymmetries between the Class II and Class I sides. Methods: A sample of 54 untreated Angle Class II subdivision patients with pretreatment photos and cone-beam computed...
| Publicado en: | American Journal of Orthodontics & Dentofacial Orthopedics Vol. 144; no. 1; pp. 57 - 67 |
|---|---|
| Autores principales: | , , , , , |
| Formato: | research Journal Article |
| Publicado: |
Elsevier B.V.
Jul2013
|
| Acceso en línea: | Ver este registro en EBSCOhost |
| fields | @attributes: recordID: 1 pdfLink: plink: https://search.ebscohost.com/login.aspx?direct=true&db=ccm&AN=104189146&site=ehost-live header: @attributes: shortDbName: ccm uiTerm: 104189146 longDbName: CINAHL Complete uiTag: AN controlInfo: bkinfo: dissinfo: jinfo: jid: 08895406 1WT jtl: American Journal of Orthodontics & Dentofacial Orthopedics issn: 08895406 maglogo: N pubinfo: dt: Jul2013 vid: 144 iid: 1 pid: 467 pub: Elsevier B.V. place: New York, New York artinfo: ui: 104189146 NLM23810046 2012174588 10.1016/j.ajodo.2013.02.026 NLM23810046 104189146 ppf: 57 ppct: 10 formats: tig: atl: Evaluation of skeletal and dental asymmetries in Angle Class II subdivision malocclusions with cone-beam computed tomography. aug: au: Minich, Craig M Araújo, Eustáquio A Behrents, Rolf G Buschang, Peter H Tanaka, Orlando M Kim, Ki Beom affil: Department of Orthodontics, Center for Advanced Dental Education,Saint Louis University, St Louis, MO 63104, USA. sug: subj: Tomography, X-Ray Computed Methods Face Radiography Facial Bones Radiography Malocclusion Radiography Tooth Radiography Body Regions Radiography Chin Radiography Cuspid Radiography Human Diagnostic Imaging Methods Mandible Radiography Mandibular Condyle Radiography Maxilla Radiography Molar Radiography Retrospective Design Skull Radiography Dentition Radiography ab: Introduction: The purpose of this study was to determine whether Angle Class II subdivision malocclusions have skeletal or dental asymmetries between the Class II and Class I sides. Methods: A sample of 54 untreated Angle Class II subdivision patients with pretreatment photos and cone-beam computed tomography (CBCT) scans was used. The photos were used to identify the Class II subdivision malocclusion and to record the amount of crowding per quadrant. Landmarks were plotted on each CBCT volume so that direct 3-dimensional measurements could be made to compare the positions and dimensions of the skeletal and dental structures on the Class II side vs the Class I side. Results: Significant differences were found for 2 skeletal measurements: the position of the maxilla relative to the cranial base, and the mandibular dimension from the mandibular foramen to the mental foramen. Statistically significant dental differences were found for the position of the mandibular first molars and canines in relation to the maxilla and the mandible. Statistically significant differences were found for the maxillary first molars and canines in relation to the mandible. Conclusions: There were significant skeletal and dental differences between the Class I and Class II sides. The dental asymmetries accounted for about two thirds of the total asymmetry. pubtype: Academic Journal doctype: research Journal Article ougenre: Article language: English refInfo: holdings: @attributes: islocal: N |
|---|