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153 results on '"Valletta R"'

151. [Force systems for correction of lower molar inclination].

Author

Laino A, Michelotti A, Ratto A, and Valletta R

Subjects
Adult, Dental Stress Analysis, Humans, Molar, Orthodontic Appliances, Tooth Movement Techniques methods
Abstract

The authors analyzed the uprighting movement and suggested forces system developing wished movements considering M/F ratio generated on brackets. The effects of these system on anchorage segment were evaluated. Use of concurrent or non-concurrent was analyzed in the light of their "cohernce" with treatment goals.

Published
1988

152. [Effect of thermoelectrochemical recycling treatment on direct orthodontic brackets: morphological and dimensional S.E.M. analysis].

Author

Laino A, Sangiovanni R, Manfredi C, Michelotti A, and Valletta R

Subjects
Dental Bonding, Disposable Equipment, Hot Temperature, Microscopy, Electron, Scanning, Stainless Steel, Orthodontic Appliances
Abstract

The AA, analyze the effects of recycling treatment of orthodontic stainless direct brackets. The ESMA method has been utilized, by BIG JANE E3762. A morphological and dimensional analysis has been done, before and after recycling, by SEM.

Published
1988

153. [Morphological and structural S.E.M. analysis of a new type of orthodontic bracket].

Author

Laino A, Sangiovanni R, Albano F, Michelotti A, and Valletta R

Subjects
Hardness, Hot Temperature, Microscopy, Electron, Scanning, Orthodontic Appliances
Abstract

The SEM analysis, the metallographic analysis, the microhardness and the mechanic resistance before and after recycling treatment, are compared with the analysis made on a bracket earlier produced by the same firm.

Published
1988

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