2004
DOI: 10.1590/s1415-54192004000600009
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O efeito da exodontia dos primeiros pré-molares sobre a AFAI

Abstract: A extração dos pré-molares ocorre convencionalmente como parte da terapia ortodôntica, no intuito de resolver uma série de problemas. Todavia sua utilização para o controle da dimensão vertical gera muitas controvérsias. Esse estudo retrospectivo avaliou cefalometricamente as telerradiografias, tomadas em norma lateral, de 30 jovens do gênero feminino, com má oclusão do tipo Classe II, divisão 1, dolicofaciais, com idade média de 12,3 anos, variando entre 9 e 17 anos, tratadas ortodonticamente com aparelho fix… Show more

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“…The placement of the fixed orthodontic appliance was completed with the direct bonding of brackets on the remaining upper and lower teeth, except on teeth #14, #24 and #44 -which would be extracted, with the objective of eliminating crowding and allow the correction of the dental bimaxillary protrusion, by means of retracting the anterior teeth. 1,3,4 Alignment and leveling were carried with 0.012, 0.014, 0.016 and 0.018-in NiTi archwires; and 0.017 x 0.025-in NiTi rectangular, and stainless steel 0.019 x 0.025-in archwires. Then, the retraction of upper and lower anterior teeth, and the correction of the lower midline were performed.…”
Section: Treatment Progressmentioning
confidence: 99%
See 1 more Smart Citation
“…The placement of the fixed orthodontic appliance was completed with the direct bonding of brackets on the remaining upper and lower teeth, except on teeth #14, #24 and #44 -which would be extracted, with the objective of eliminating crowding and allow the correction of the dental bimaxillary protrusion, by means of retracting the anterior teeth. 1,3,4 Alignment and leveling were carried with 0.012, 0.014, 0.016 and 0.018-in NiTi archwires; and 0.017 x 0.025-in NiTi rectangular, and stainless steel 0.019 x 0.025-in archwires. Then, the retraction of upper and lower anterior teeth, and the correction of the lower midline were performed.…”
Section: Treatment Progressmentioning
confidence: 99%
“…In skeletal terms, according to the lateral cephalometric radiograph and respective tracing ( Fig 5), it was observed that the patient presented unbalanced skeletal bases, characterized by angles SNA = 90°, SNB = 83° and ANB = 7°, with a dolichofacial pattern, and presenting protruded upper incisors, with slight lingual tipping, and protruded lower incisors with buccal tipping. 1 The functional analysis of mandibular movements revealed absence of anterior guides. lower crowding; moderate Curve of Spee; absence of teeth #36 and #37; posterior cross bite on the right side, with buccal cross bite between teeth #15 and #45; lower midline deviated 1 mm to the left; and upper and lower incisors with incisal wear (Fig 2).…”
mentioning
confidence: 99%