1. Appearance and aesthetics in oral health;Baldwin;Community Dent Oral Epidemiol,1980
2. Relationship between perception of facial asymmetry and posteroanterior cephalometric measurements;Ahn;Korean J Orthod,2001
3. Soft tissue profile preference;De Smit;Am J Orthod,1984
4. Profile preferences among diversified groups;Foster;Angle Orthod,1973