@book{25223, author = {Nanda, Ravindra,}, title = {Esthetics and biomechanics in orthodontics /}, publisher = {Elsevier}, year = {2015}, address = {China}, edition = {Second edition.}, note = {Preceded by: Biomechanics and esthetic strategies in clinical orthodontics / Ravindra Nanda. c2005.} }