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OBJECTIVE The objective of this study was to compare the skeletal, dental and soft tissue characteristics of Caucasian and Afro-Caucasian Brazilian subjects with normal occlusion and to evaluate sexual dimorphism within the groups. MATERIAL AND METHODS The sample comprised lateral cephalograms of untreated normal occlusion subjects, divided into 2 groups. Group 1 included 40 Caucasian subject...

An adult high angle Class I with bimaxillary protrusion was treated by extraction of four first premolars. Application of a rectangular NiTi archwire from the beginning of the active treatment period, in combination with J-hook headgear, was used to facilitate the vertical control and reduce the dental and lip protrusion. Satisfactory treatment results were obtained after twenty-four months, wi...

OBJECTIVES To evaluate the cephalometric features of subjects with incompetent lips, and to find the most discriminant variables for lip incompetence among the following: dental protrusion and proclination, antero-posterior and vertical skeletal relationships, and lip dimensions. METHODS This retrospective study was conducted at King Abdulaziz University, Jeddah, Kingdom of Saudi Arabia, betw...

The purpose of this investigation was to compare the dentoalveolar and skeletal cephalometric changes produced by the Fränkel (FR-2) and bionator appliances in persons with Class II malocclusion. Lateral cephalograms were available for 66 patients of both sexes, who were divided into 3 groups of 22. The control group included untreated Class II children, with an initial mean age of 8 years 7 mo...

In the orthodontic clinic, skeletal and dental bimaxillary protrusion is presented frequently as one of the factors leading patients to seek orthodontic treatment, mainly due to the esthetic involvement it has. The patient of this article illustrates this situation, being deeply uncomfortable with her esthetic appearance, due to the excessive upper incisors exposure and problems with lip sealin...