Effect of Incisor Angulation on Overjet and Overbite in Class II Camouflage Treatment.

Effect of Incisor Angulation on Overjet and Overbite in Class II Camouflage Treatment. Research Abstract Details 

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Effect of Incisor Angulation on Overjet and Overbite in Class II Camouflage Treatment. Abstract Text:

Yasinee Sangcharearn,Christopher Ho,Yasinee Sangcharearn,Christopher Ho,Yasinee Sangcharearn,Christopher Ho,

Objectives: To determine the amount of variation in overjet and overbite that may result from changes in upper and lower incisor angulations following upper first premolar extraction treatment in Class II malocclusions. Materials and Methods: Typodonts were set up to simulate a skeletal Class II occlusion treated with upper first premolar extractions. The upper incisor angulation was altered through a range from 100 degrees to 120 degrees to the palatal plane by 2 degrees increments. The overjet and overbite were measured with every 2 degrees of upper incisor angulation change. A regression analysis was performed on the experimental data, and the regression coefficients, slope, and intercept were estimated. Results: Excessive proclination of the lower incisors will result in an abnormal overjet and overbite relationship for any magnitude of upper incisor angulation. A normal lower incisor angulation facilitates the attainment of an optimal occlusion. Excessive palatal root torque of the upper incisors will result in an increase in overjet and a consequent decrease in overbite. If the upper incisors are excessively retroclined, an edge-to-edge incisor relationship will result. Conclusion: Class II camouflage treatment with upper first premolar extractions requires correctly angulated incisors to achieve optimal buccal segment interdigitation and incisor relationship. Labial root torque and interproximal reduction of the lower anterior teeth should be considered when the lower incisors are excessively proclined.

Effect of Incisor Angulation on Overjet and Overbite in Class II Camouflage Treatment. Publishing Authors By Initials

Y Sangcharearn,C Ho,Y Sangcharearn,C Ho,Y Sangcharearn,C Ho,

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Effect of Incisor Angulation on Overjet and Overbite in Class II Camouflage Treatment. Journal Published:

PUBLICATION TYPE: Journal Article

Journal: The Angle orthodontist

VOLUME: 77

Page Numbers: 1011-8

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ISSN: 0003-3219

DAY: 16

MONTH: Nov

YEAR: 2007

Effect of Incisor Angulation on Overjet and Overbite in Class II Camouflage Treatment. Information

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LANGUAGE: eng

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Country: United States

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MEDLINETA: Angle Orthod

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