Editor's Summary and Q&A

Daniel B Gabriel; Karin A Southard; Fang Qian; Steven D Marshall; Robert G Franciscus; Thomas E Southard

doi:10.1016/j.ajodo.2009.04.011

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Editor's Summary and Q&A

Daniel B Gabriel, Karin A Southard, Fang Qian, Steven D Marshall, Robert G Franciscus and Thomas E Southard

American journal of orthodontics and dentofacial orthopedics, Vol.136(4), pp.478-480

2009

DOI: 10.1016/j.ajodo.2009.04.011

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Abstract

The cervical vertebrae maturation (CVM) method has been advocated as a predictor of peak mandibular growth. This method relies on the clinician's ability to determine the stage of maturation of the vertebrae. Careful examination of reports of this technique shows methodologic flaws that can lead to inflated levels of reproducibility. The purpose of this study was to evaluate the reproducibility of CVM stage determination by using a more stringent methodology. Ten practicing orthodontists, trained in the CVM method, evaluated 30 individual and 30 pairs of cephalometric radiographs in 2 sessions to determine the CVM stage. Interobserver and intraobserver reliability was determined by using the Kendall coefficient of concordance and the weighted kappa statistic. All degrees of interobserver and intraobserver agreement were moderate (Kendall's W, 0.4-0.8). Interobserver agreement levels for CVM staging of the 10 orthodontists at both times were below 50%. Agreement improved marginally with the use of 2 longitudinal radiographs. Intraobserver agreement was only slightly better; on average, clinicians agreed with their own staging only 62% of the time. Based on these results, we cannot recommend the CVM method as a strict clinical guideline for the timing of orthodontic treatment.

Details

Title: Subtitle: Editor's Summary and Q&A
Creators: Daniel B Gabriel - Okinawa, Japan, and Iowa City, Iowa
Karin A Southard - Okinawa, Japan, and Iowa City, Iowa
Fang Qian - Okinawa, Japan, and Iowa City, Iowa
Steven D Marshall - Okinawa, Japan, and Iowa City, Iowa
Robert G Franciscus - Okinawa, Japan, and Iowa City, Iowa
Thomas E Southard - Okinawa, Japan, and Iowa City, Iowa
Resource Type: Journal article
Publication Details: American journal of orthodontics and dentofacial orthopedics, Vol.136(4), pp.478-480
Publisher: Mosby, Inc
DOI: 10.1016/j.ajodo.2009.04.011
ISSN: 0889-5406
eISSN: 1097-6752
Language: English
Date published: 2009
Academic Unit: Dental Research; Preventive and Community Dentistry; Anthropology; Orthodontics
Record Identifier: 9984270196002771

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