Three-dimensional evaluation of the relationship between jaw divergence and facial soft tissue dimensions

Rongo, Roberto; Antoun, Joseph; Lim, Yi Xin; Dias, George J.; Valletta, Rosa; Farella, Mauro

doi:10.2319/092313-699.1

Cited by 26 publications

(24 citation statements)

References 29 publications

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“…Also a patient's quality of life is influenced by aesthetics . There is the need for future studies to focus on the objective and subjective evaluations of soft tissue changes by taking advantage of new 3D technology .…”

Section: Discussionmentioning

confidence: 99%

Skeletal and dental effects of Class III orthopaedic treatment: a systematic review and meta‐analysis

Rongo

D’Antò

Bucci

et al. 2017

J of Oral Rehabilitation

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To summarise the skeletal, dental and soft tissue effects of orthopaedic treatment on growing skeletal class III patients compared with a concurrent untreated similar control group and to evaluate whether the design of the primary studies may affect the results. A literature search was performed up to the end of February 2016. No restrictions were applied concerning language and appliances. Once the quality score was assessed, a meta-analysis was performed for the appliances used in more than three studies. A moderator analysis for study design was performed. The level of evidence was evaluated by means of the Grades of Recommendation, Assessment, Development and Evaluation (GRADE) tool. The search resulted in 21 papers. The quality of most of the studies was medium. Each study reported skeletal sagittal improvement and overjet correction. Fourteen studies reported a significant increase in lower facial height. Follow-up data showed slight relapses in about 15% of patients. Meta-analyses were performed for the facemask and chin cup. The two appliances were efficient for correcting the sagittal discrepancy, increasing the divergence. In the analysis for study design, the retrospective studies showed a more efficient appliance than RCTs for 6 of 13 variables. The level of evidence was between very low and moderate. There is very low to low evidence that orthopaedic treatment is effective in the correction of Class III skeletal discrepancies and moderate evidence for the correction of the overjet. A common side effect is mandibular clockwise rotation in older subjects.

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Section: Discussionmentioning

confidence: 99%

Skeletal and dental effects of Class III orthopaedic treatment: a systematic review and meta‐analysis

Rongo

D’Antò

Bucci

et al. 2017

J of Oral Rehabilitation

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show abstract

“…These values, however, might no longer be current and might not respect the average facial dimensions of the modern population, as also shown in our study. Hence, more longitudinal studies, maybe with three‐dimensional images acquisition without radiations, should be performed . Furthermore, the use of historical controls in orthodontics is larger than in any of the other medical sciences, such as plastic and reconstructive surgery.…”

Section: Discussionmentioning

confidence: 99%

Differences in craniofacial growth of Class II individuals from different decades: A retrospective study

Rongo

Martina

Bucci

et al. 2019

Orthod Craniofacial Res

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Objectives To detect changes in mandibular growth between a historical group (HG) from the American Association of Orthodontics Foundation Craniofacial Growth Legacy Collection (AAOF Legacy) and a contemporary group (CG) of normodivergent or hypodivergent Class II untreated subjects. Setting and Sample Population. The sample included radiographs from the AAOF Legacy and from the University of Naples ‘Federico II’ collected during a previous RCT. Materials & Methods The HG was composed of 26 individuals (around 1960) from the AAOF Legacy (15 from the Burlington Growth Study, nine from the Oregon Growth Study and two from the Michigan Growth Study) who were matched by sex, age and race with the 26 individuals of the CG (around 2010). Two lateral cephalograms obtained at T0 and T1 (12 months) were selected, and one examiner performed the cephalometric measurements according to Pancherz's method. The normal distribution of data was confirmed by the Shapiro‐Wilk test, MANOVA analysis and t test for paired and unpaired data were performed. The level of significance was set according to Bonferroni's correction. Results At T0 and T1, the between‐group comparisons revealed greater linear dimensions for Maxillary base, Maxillary incisor and Mandibular incisor in the CG than in the HG (P ≤ 0.002). No significant difference was found in the growth rate for linear skeletal measurement between the HG and the CG. Conclusions In this study, the cephalometric analysis showed larger maxillary dimensions for the CG than the HG, while no differences were shown between the growth rate and direction of the two groups.

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“…The cervical stage was assessed by one examiner on the T0 cephalogram according to the cervical vertebral maturation (CVM) method [22,27].…”

Section: Samplementioning

confidence: 99%

Evaluation of Profile Changes in Class II Individuals Treated by Means of Herbst Miniscope Appliance

et al. 2020

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Background: To evaluate the profile changes following orthopedic/orthodontic treatment with the Herbst Miniscope® appliance in subjects affected with Class II malocclusion with mandibular retrusion. Methods: A total of 44 patients presenting a skeletal Angle Class II malocclusion (ANB > 4°) due to mandibular retrusion and a cervical maturation stage between CS2 and CS3 were included in the study. Of these 44 patients, 22 (mean age 11.9 ± 1.3, HBT group) were treated using the Herbst appliance, while 22 (mean age 10.6 ± 1.3, CTR group) were followed for a 12-month observational period. A cephalometric tracing was performed at the beginning of treatment (T0) and after 12 months (T1). Results: In both groups there was a significant advancement of soft tissue pogonion (HBT = 3.5 ± 3.0 mm, p < 0.001; CTR = 2.2 ± 2.9 mm, p < 0.001), but the difference between the two groups was not significant (p = 0.172). On the contrary, both groups had a significant advancement of the mandibular sulcus (HBT = 3.7 ± 2.8 mm, p < 0.001; CTR = 1.2 ± 2.2 mm, p < 0.001) and a lower lip protrusion (HBT = 3.45 ± 2.51 mm, p < 0.001; CTR = 1.7 ± 2.7 mm, p = 0.008), but in both cases the HBT group showed a statistically significant greater increase in sulcus protrusion (p = 0.002) and lower lip protrusion (p = 0.029) than controls. There were no statistically significant effects on the upper jaw. Conclusions: The Herbst appliance advanced the lower jaw soft tissues.

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Three-dimensional evaluation of the relationship between jaw divergence and facial soft tissue dimensions

Cited by 26 publications

References 29 publications

Skeletal and dental effects of Class III orthopaedic treatment: a systematic review and meta‐analysis

Skeletal and dental effects of Class III orthopaedic treatment: a systematic review and meta‐analysis

Differences in craniofacial growth of Class II individuals from different decades: A retrospective study

Evaluation of Profile Changes in Class II Individuals Treated by Means of Herbst Miniscope Appliance

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