Changes of the upper lip in orthodontic and orthopedic treatment of angle’s class II malocclusion

Paranhos, Luiz Renato; Benedicto, Eduardo de Novaes; Ramos, Adilson Luiz

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Campo DC	Valor	Idioma
dc.contributor.author	Paranhos, Luiz Renato	-
dc.contributor.author	Benedicto, Eduardo de Novaes	-
dc.contributor.author	Ramos, Adilson Luiz	-
dc.date.accessioned	2025-12-08T20:43:11Z	-
dc.date.available	2025-12-08T20:43:11Z	-
dc.date.issued	2013	-
dc.identifier.citation	PARANHOS, L. R.; BENETICTO, E. N.; RAMOS, A. L. Changes of the upper lip in orthodontic and orthopedic treatment of angle’s class II malocclusion. Indian journal of dental research, Mumbai, v. 24, n. 3, p. 351-355, 2013. Disponível em: https://journals.lww.com/ijdr/fulltext/2013/24030/changes_of_the_upper_lip_in_orthodontic_and.15.aspx. Acesso em: 8 dez. 2025.	pt_BR
dc.identifier.issn	1998-3603	-
dc.identifier.uri	https://ri.ufs.br/jspui/handle/riufs/24023	-
dc.language	eng	pt_BR
dc.publisher	Medknow Publications	pt_BR
dc.relation.ispartof	Indian Journal of Dental Research	pt_BR
dc.subject	Cephalometry	por
dc.subject	Class II angle’s malocclusion	por
dc.subject	clinical protocols	por
dc.subject	Orthodontics	por
dc.title	Changes of the upper lip in orthodontic and orthopedic treatment of angle’s class II malocclusion	pt_BR
dc.type	Artigo	pt_BR
dc.identifier.license	Creative Commons Atribuição-NãoComercial-CompartilhaIgual 4.0 Internacional (CC BY-NC-SA 4.0)	pt_BR
dc.description.resumo	Aims: This study aimed to evaluate the changes in upper lips due to incisors retraction in Class II Division 1 patients treated with mandibular protraction, fixed appliances, and without extraction. Materials and Methods: The sample consisted of 64 pre‑ and post‑treatment lateral cephalometric X‑rays of 32 patients with 9-12 years old (16 men and 16 women), who presented ANB > 4o , overjet ≥ 4 mm, treated with Balter’s Bionator and fixed appliances. The average period between initial and final radiographies was 5 years (maximum of 5.5 years and minimum of 4.5 years). Statistical Analysis Used: A Student’s t‑test (P < 0.01) evaluated the statistical significance of differences between the mean values obtained for pre‑ and post‑treatment in each variable, for males and females. Linear regression analysis for hard‑tissue variables in relation to soft‑tissue variables were also made for correlation. Results: The male group presented cervical point with r = 0.40 and incisal point with r = 0.42. Female subjects showed incisor cervical point with r = 0.86 and incisal point r = 0.74. The average Ls retraction was 0.55 mm in 2.43 mm of incisal point movement and 0.34 mm of cervical point. The nasolabial angle showed increase average of 2o for men and 3.9o for women. Conclusion: There is a difference between genders regarding the lip‑incisor relation at this age. Males presented thickening of soft tissue and week correlation between the movement of the incisor and soft tissue both cervical and incisal point. In females’ subjects, a strong correlation between the retraction movement and soft tissue, both cervical and incisal point.	pt_BR
dc.description.local	Mumbai	pt_BR
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