Objective:To test the validity of lateral pre-treatment and pre-surgical VTO, by comparing them with the post-treatment lateral cephalometry. Methods: A total of 26 patients affected by Class III who underwent orthognathic surgery were evaluated. For all patients, pre-treatment (T0), pre-surgical (T1) and post-treatment (T2) cephalometric tracings, pretreatment and pre-surgical VTO were performed. Nine measurements of hard tissues were considered. A comparison was made between pre-treatment and pre-surgical cephalometric measurements, post-treatment cephalometric tracing and pre-treatment VTO, post-treatment cephalometric tracing, and pre-surgical VTO. Descriptive and inferential statistics along with Bland-Altman plot were used to analyze the agreement between the outcome and the program. Results: From the comparison between pre-treatment and pre-surgical values, a statistically significant difference was found for the SNB angle (P=.0292), the inclination of the upper (P=.0309) and lower incisors (P<.000) and the over-jet (P<.000). The comparison between the post-treatment cephalometry (T2) and pre-treatment VTO (T0) highlighted good agreement between overbite and over-jet values. The comparison between the post-treatment cephalometry (T2) and pre-treatment VTO (T0) highlighted good agreement with over-jet and IMPA angle. All parameters had high dispersion and the Bland-Altman plot appeared to be scattered. Conclusion: Given the bias and the imprecisions between the orthodontic-surgical program and the outcome, the indications given by 2-dimensional VTO should be used with caution.
Predictability of the orthodontic-surgical planning: a comparative study between the post-operative outcome and the visual treatment objective / Vernucci, ROBERTO ANTONIO; Valentini, LEDA MIRIAM; DE STEFANO, ADRIANA ASSUNTA; DI GIORGIO, Roberto; Galluccio, Gabriella. - In: FACE. - ISSN 2732-5016. - (2024), pp. 1-9. [10.1177/27325016241229218]
Predictability of the orthodontic-surgical planning: a comparative study between the post-operative outcome and the visual treatment objective
Roberto Antonio, Vernucci
Primo
;Leda Miriam, ValentiniSecondo
;Adriana, De Stefano;Roberto, Di GiorgioPenultimo
;Gabriella, GalluccioUltimo
2024
Abstract
Objective:To test the validity of lateral pre-treatment and pre-surgical VTO, by comparing them with the post-treatment lateral cephalometry. Methods: A total of 26 patients affected by Class III who underwent orthognathic surgery were evaluated. For all patients, pre-treatment (T0), pre-surgical (T1) and post-treatment (T2) cephalometric tracings, pretreatment and pre-surgical VTO were performed. Nine measurements of hard tissues were considered. A comparison was made between pre-treatment and pre-surgical cephalometric measurements, post-treatment cephalometric tracing and pre-treatment VTO, post-treatment cephalometric tracing, and pre-surgical VTO. Descriptive and inferential statistics along with Bland-Altman plot were used to analyze the agreement between the outcome and the program. Results: From the comparison between pre-treatment and pre-surgical values, a statistically significant difference was found for the SNB angle (P=.0292), the inclination of the upper (P=.0309) and lower incisors (P<.000) and the over-jet (P<.000). The comparison between the post-treatment cephalometry (T2) and pre-treatment VTO (T0) highlighted good agreement between overbite and over-jet values. The comparison between the post-treatment cephalometry (T2) and pre-treatment VTO (T0) highlighted good agreement with over-jet and IMPA angle. All parameters had high dispersion and the Bland-Altman plot appeared to be scattered. Conclusion: Given the bias and the imprecisions between the orthodontic-surgical program and the outcome, the indications given by 2-dimensional VTO should be used with caution.File | Dimensione | Formato | |
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