This clinical study evaluated a modified Nance appliance designed by the author to distalize molars unilaterally for Class II correction. This fixed appliance did not rely upon extraoral traction or intraoral elastics. Twelve unilateral Class II patients aged 13 to 17 were treated nonextraction with the appliance. Pretreatment and posttreatment photographs were taken of the palatal soft tissue and did not reveal any untoward changes as a result of the Nance acrylic button. All molars were corrected to an Angle's Class I relationship. Molar correction was evaluated visually and molar distalization was measured using an acrylic jig fitted to the incisors. There was no clinically significant movement of the anterior teeth as a result of the reciprocal force of the spring. Molar distalization averaged 0.19 mm/week.
R. David Rynearson
Daniel A. Flores
Arthur J. Morgan
Willis L. Schlenker
Master of Science (MS)
Year Degree Awarded
Date (Title Page)
Library of Congress/MESH Subject Headings
Malocculsion -- therapy; Molar; Orthodontic Appliances
Loma Linda University Libraries
This title appears here courtesy of the author, who has granted Loma Linda University a limited, non-exclusive right to make this publication available to the public. The author retains all other copyrights.
Reiner, Tracy J., "A Modified Nance Unilateral Molar Distalizer" (1990). Loma Linda University Electronic Theses, Dissertations & Projects. 2067.
Loma Linda University Electronic Theses and Dissertations
Loma Linda University. Del E. Webb Memorial Library. University Archives