Retrospective analysis of long-term stable and unstable orthodontic treatment outcomes

Ormiston, Jonathan Perry; Huang, Greg J.; Little, Ruth E.; Decker, Jay D.; Seuk, Geoffrey D.

doi:10.1016/j.ajodo.2004.07.047

Cited by 116 publications

(108 citation statements)

References 25 publications

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“…This result shows that pretreatment maxillary anterior crowding is correlated with the posttreatment maxillary anterior crowding (Tab 4), and this is supported by previous studies that have shown that pretreatment maxillary anterior crowding interfere in the crowding relapse. 1,8,24 The posttreatment Little's irregularity index (LIIMx2) has a significant positive correlation with the post-retention Little's irregularity index (LIIMx3). The posttreatment changes (LIIMx3-2) did not show a significant correlation with the amount of posttreatment crowding (LIIMx2) (Tab 4).…”

Section: Discussionmentioning

confidence: 99%

“…Many previous studies, even Stability of maxillary anterior crowding treatment original article though being about mandibular anterior crowding, corroborated with this study. 22,23,24 The positive significant correlation between posttreatment Little's irregularity index (LIIMx2) and post-retention Little's irregularity index (LIIMx3) is that posttreatment crowding is, at least, the same after a long-term evaluation.…”

Section: Discussionmentioning

confidence: 99%

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Stability of maxillary anterior crowding treatment

Quaglio¹,

Freitas²,

Freitas

et al. 2012

Dental Press J. Orthod.

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Objective: To evaluate the stability and the relapse of maxillary anterior crowding treatment on cases with premolar extraction and evaluate the tendency of the teeth to return to their pretreatment position. Methods:The experimental sample consisted of 70 patients of both sex with an initial Class I and Class II maloclusion and treated with first premolar extractions. The initial mean age was 13,08 years. Dental casts' measurements were obtained at three stages (pretreatment, posttreatment and posttreatment of 9 years on average) and the variables assessed were Little Irregularity Index, maxillary arch length and intercanine. Pearson correlation coefficient was used to know if some studied variable would have influence on the crowding in the three stages (LII1, LII2, LII3) and in each linear displacement of the Little irregularity index (A, B, C, D, E) in the initial and post-retention phases. Results:The maxillary crowding relapse ( LII3-2) is influenced by the initial ( LII1), and the teeth tend to return to their pretreatment position. Conclusion:The results underline the attention that the orthodontist should be given to the maxillary anterior relapse, primarily on those teeth that are crowded before the treatment.

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Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

Stability of maxillary anterior crowding treatment

Quaglio¹,

Freitas²,

Freitas

et al. 2012

Dental Press J. Orthod.

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“…These include patient characteristics such as initial occlusal conditions, unfavorable continuing growth patterns, sex, muscular functions and habits, as well as treatment modality, changes in arch form, and posttreatment occlusion. [10][11][12] However, there is no consensus in the literature with regard to what factors might influence relapse, with many studies obtaining insignificant results and various reviews reaching contradictory conclusions. 7 Therefore, the aim of this study was to investigate, using systematic review methodology, the possible factors influencing the sagittal stability of treated patients with initial Angle Class II malocclusion.…”

Section: Introductionmentioning

confidence: 99%

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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“…Sabe-se que gêneros diferentes apresentam, para uma mesma idade cronológica, idades biológicas distintas: o crescimento tende a estar mais adiantado no gênero feminino (ORMISTON et al, 2005;LITTLE, 1983) e a presença de crescimento mandibular ativo durante o tratamento favorece a correção da Classe II (FIDLER et al, 1995). Portanto, considerando uma época de maturação mais precoce e um ritmo de crescimento mais acelerado como características de desenvolvimento do gênero feminino, as melhores respostas ao tratamento ortodôntico ocorrem numa idade cronológica menor no gênero feminino do que no masculino (BISHARA et al, 1981;BISHARA, 1984;FOLEY;MAMANDRAS, 1992;HAGG;TARANGER, 1982;JAMISON et al, 1982;WEST;MCNAMARA, 1999).…”

Section: Gênerounclassified

Eficiência do tratamento da má-oclusão de Classe II, subdivisão com extrações de três pré-molares e quatro pré-molares

Baldo¹

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EEf fi ic ci iê ên nc ci ia a d do o t tr ra at ta am me en nt to o d da a m má á--o oc cl lu us sã ão o d de e C Cl la as ss se e I II I, , s su ub bd di iv vi is sã ão o c co om m e ex xt tr ra aç çõ õe es s d de e t tr rê ês s p pr ré é--m mo ol la ar re es s e e q qu ua at tr ro o p pr ré é--m mo ol la ar re es s Vocês fizeram com que a minha infância fosse muito mais feliz.Obrigada por me apoiarem e estarem sempre ao meu lado.À "minha vida":Dani, você é o amor da minha vida, carinhoso, companheiro e tudo o que preciso para me complementar. Obrigada pelo imenso incentivo e paciência, confortando-me nas horas tristes, vibrando com as minhas vitórias. Sem seu amor, nada valeria à pena. Eu amo você para sempre! Aos meus tios e primos:Por participarem constantemente da minha vida. Sem vocês, ela seria sem graça e sem emoção. Obrigada pelo eterno alto-astral e por acreditarem e confiarem em mim.Aos meus sogros Paulo e Arlete:Pelo apoio que me deram durante toda esta etapa de minha vida, sempre me dizendo que a perseverança é que nos faz atingir nossos objetivos.Ao "Tio Sérgio":Pela imensa ajuda sempre que eu tinha problemas com meu notebook.Sem você e seus conhecimentos de informática tudo seria mais difícil.À "Tia Thê":Por não ter hesitado um segundo sequer quando lhe pedi para fazer a correção da língua portuguesa de minha dissertação. Muito obrigada pelo carinho. À Márcia Masi:Pelo apoio incondicional que você tem me dado durante todos esses anos. Você é uma pessoa iluminada, na qual me espelho muito. Muito obrigada por ter me acolhido como uma filha.À Daniela Prado e Carla Scanavini:Pela dedicação com a qual sempre me auxiliam quando recorro a vocês.Com vocês aprendi e continuarei a aprender muito, não só sobre ortodontia, mas também sobre a vida. TzÜtwx †É xáÑxv|tÄÅxÇàxAAAAo Prof. Dr. Guilherme Janson:Pela orientação criteriosa, rigor científico, apoio e incentivos constantes. Além da oportunidade em compartilhar conhecimentos transmitidos ao longo desta jornada, contribuindo para o aprofundamento da minha qualificação profissional. Nós formamos uma turma maravilhosa, cúmplice e unida. Estes dois anos foram de grande aprendizado profissional e pessoal, em que compartilhamos momentos tristes e outros alegres. Agradeço a Deus por ter me dado a honra de poder conviver com todos vocês, cada um com seu jeitinho peculiar. Tenho certeza que nossa amizade será eterna. Às turmas de doutoradoPrincipalmente à Thaís e à Janine, pela disponibilidade em me auxiliar sempre que pedi ajuda e pelo convívio de amizade. difference between the groups, the greater improvement of midline deviation correction in group 2 than in group 1 shows that the treatment protocol with three premolar extractions has advantages in relation to the treatment protocol with four premolar extractions. TzÜtwx †É AAA

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Retrospective analysis of long-term stable and unstable orthodontic treatment outcomes

Cited by 116 publications

References 25 publications

Stability of maxillary anterior crowding treatment

Stability of maxillary anterior crowding treatment

Predictive factors of sagittal stability after treatment of Class II malocclusions

Eficiência do tratamento da má-oclusão de Classe II, subdivisão com extrações de três pré-molares e quatro pré-molares

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