Text ( visual ) : unmediated Understanding orthodontics / Harold T. Perry, David P. Forbes. -- Chicago, Ill : Quintessence Publ. , 1997. -- 52 p. : ill.(some col.) ; 28 cm. -- Cover title ; Summary: Prepares readers for orthodontic treatment and answers common questions such as "What is a bad bite?" and "What kinds of braces will I need?". -- ISBN 0867153156 ; (BA36600637) ; https://ci.nii.ac.jp/ncid/BA36600637 Author Heading(s): Perry, Harold T. ; Forbes, David P.. -- Classification(s): LCC : RK521 ; DC20 : 617.6/43. -- Subject Heading(s): LCSH : Orthodontics -- Juvenile literature ; JVSH : Orthodontics -- Miscellanea ; JVSH : Questions and answers