Lip curve changes in males with premolar extraction or nonextraction treatment
oleh: Lin Pei-Ti, Woods Michael G.
| Format: | Article |
|---|---|
| Diterbitkan: | Sciendo 2004-11-01 |
Deskripsi
Aim: This retrospective study was designed to compare the responses of the upper and lower lip curves in young growing males, to orthodontic treatment involving either four premolar extractions or the holding of the E-spaces without premolar extractions.