TY - GEN AU - Morris,D O AU - Illing,H M AU - Lee,R T TI - A prospective evaluation of Bass, Bionator and Twin Block appliances. Part II--The soft tissues SN - 0141-5387 PY - 1999///0218 KW - Activator Appliances KW - Analysis of Variance KW - Cephalometry KW - methods KW - Child KW - Evaluation Studies as Topic KW - Face KW - Facial Bones KW - anatomy & histology KW - Female KW - Humans KW - Image Processing, Computer-Assisted KW - Lasers KW - Lip KW - Male KW - Malocclusion KW - therapy KW - Mandible KW - Orthodontic Appliances, Functional KW - Prospective Studies KW - Reproducibility of Results KW - Sensitivity and Specificity KW - Vertical Dimension N1 - Publication Type: Clinical Trial; Comparative Study; Journal Article; Randomized Controlled Trial UR - https://doi.org/10.1093/ejo/20.6.663 ER -