Stability of molar relationship after non-extraction Class II malocclusion treatment

Lima, Darwin Vaz de; Freitas, Karina Maria Salvatore de; Freitas, Marcos Roberto de; Janson, Guilherme; Henriques, José Fernando Castanha; Pinzan, Arnaldo

doi:10.1590/s2176-94512013000200013

Cited by 3 publications

(3 citation statements)

References 31 publications

(44 reference statements)

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“…The overjet and the molar relationships showed stability in both groups without differences between them, corroborating previous studies indicating that molar relationship used to be stable in the long term after Class II treatment. 15,23,31 The Class II malocclusion correction with these two intraoral distalization appliances was performed with excellent outcomes, since there was stability of the results obtained with treatment, one of the main goals of orthodontic therapy.…”

Section: Intergroup Comparisonmentioning

confidence: 99%

“…The stability of the achieved results and ideal function and aesthetics are factors that should be considered in the treatment choice. Recently, the canine and molar position during treatment was related to stability, inferring that the greater the Class II severity, the greater the instability of the final result 14,15 …”

Section: Introductionmentioning

confidence: 99%

“…Recently, the canine and molar position during treatment was related to stability, inferring that the greater the Class II severity, the greater the instability of the final result. 14,15 The effectiveness of the Pendulum and Jones jig appliances in the correction of the Class II molar relationship has been previously reported. 12,[16][17][18][19][20][21] However, few studies evaluated the stability of the Class II correction using intraoral distalizers.…”

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confidence: 97%

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Stability of class II treatment with Pendulum and Jones jig followed by fixed appliances

Patel

Henriques

Freitas

et al. 2020

Orthod Craniofacial Res

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Introduction The present study aimed to evaluate and compare the long‐term stability of Class II correction with the Pendulum or Jones jig followed by fixed appliances. Settings and sample population Group 1 comprised 20 Class II malocclusion patients with a mean initial age of 13.97 years (SD = 1.57), treated with Pendulum and fixed appliances for a mean period of 4.72 years (SD = 0.98), and mean long‐term post‐treatment evaluation of 4.72 years (SD = 0.97). Group 2 consisted of 18 Class II patients with a mean initial age of 13.19 years (SD = 1.26), treated with Jones jig and fixed appliances for a mean period of 3.96 years (SD = 0.92). Mean long‐term post‐treatment time was 5.50 years (SD = 1.57). Methods Lateral cephalograms were evaluated at three stages: initial (T1), final (T2) and long‐term post‐treatment (T3). Intragroup comparisons were performed with repeated measures ANOVA and Tukey's test and intergroup comparisons with independent t test. Results Many treatment changes were observed in both groups. From the long‐term post‐treatment periods, there was stability for most of the variables. Maxillary second molars and mandibular first molars extruded in the Jones jig group and slightly intruded in the Pendulum appliance group. The nasolabial angle decreased in the Pendulum group and increased in the Jones jig group. Conclusion The correction of a Class II malocclusion was shown to be stable with similar long‐term post‐treatment results with Pendulum or Jones jig followed by fixed orthodontic appliances.

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Section: Intergroup Comparisonmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

mentioning

confidence: 97%

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Stability of class II treatment with Pendulum and Jones jig followed by fixed appliances

Patel

Henriques

Freitas

et al. 2020

Orthod Craniofacial Res

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Actual contribution ratio of maxillary and mandibular molars for total molar relationship correction during maxillary molar sequential distalization using clear aligners with Class II elastics: A finite element analysis

Liu,

Wang,

Gao

et al. 2023

American Journal of Orthodontics and Dentofacial Orthopedics

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Predictive factors of sagittal stability after treatment of Class II malocclusions

Maniewicz

Antonarakis

Kiliaridis

2015

The Angle Orthodontist

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Objective: To determine the existence of factors permitting the prediction of sagittal stability after orthodontic treatment in patients with Angle Class II malocclusion. Materials and Methods: PubMed, EMBASE, and the Cochrane Library were searched up to March 2015. Inclusion criteria were longitudinal studies with at least 10 subjects investigating associations between at least one factor and stability, with an average minimum follow-up period of 2 years; stability measured using posttreatment sagittal dental changes; and orthodontic treatment including removable and/or fixed appliances with or without extractions. Two reviewers independently selected and assessed the quality of the articles. Results: The search strategy resulted in 1372 articles, of which 17 met the inclusion criteria. Large changes during treatment in molar and canine relationships were the only two factors found to be positively associated with relapse, but with limited evidence. Fourteen factors were found not to be predictive of relapse, also with limited evidence. These factors included treatment characteristics, patient pretreatment characteristics, and final posttreatment characteristics. Conclusions: There is currently limited evidence to support the influence of factors predictive of sagittal stability following Class II malocclusion treatment. More high-quality prospective studies are needed, and functional factors possibly affecting relapse also need to be further assessed.

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Stability of molar relationship after non-extraction Class II malocclusion treatment

Abstract: It was concluded that correction of Class II molar relationship is stable and initial severity does not influence relapse of molar relationship.

Cited by 3 publications

References 31 publications

Stability of class II treatment with Pendulum and Jones jig followed by fixed appliances

Stability of class II treatment with Pendulum and Jones jig followed by fixed appliances

Actual contribution ratio of maxillary and mandibular molars for total molar relationship correction during maxillary molar sequential distalization using clear aligners with Class II elastics: A finite element analysis

Predictive factors of sagittal stability after treatment of Class II malocclusions

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