| Perception of discomfort by patients undergoing orthodontic treatment P Ngan, B Kess, S Wilson American Journal of Orthodontics and Dentofacial Orthopedics 96 (1), 47-53, 1989 | 629 | 1989 |
| Neurotransmitters, cytokines, and the control of alveolar bone remodeling in orthodontics Z Davidovitch, OF Nicolay, PW Ngan, JL Shanfeld Dental Clinics of North America 32 (3), 411-435, 1988 | 532 | 1988 |
| Open bite: a review of etiology and management. P Ngan, HW Fields Pediatric dentistry 19 (2), 91-98, 1997 | 427 | 1997 |
| Treatment response and long-term dentofacial adaptations to maxillary expansion and protraction PW Ngan, U Hagg, C Yiu, SHY Wei Seminars in orthodontics 3 (4), 255-264, 1997 | 384 | 1997 |
| Soft tissue and dentoskeletal profile changes associated with maxillary expansion and protraction headgear treatment P Ngan, U Hägg, C Yiu, D Merwin, SHY Wei American Journal of Orthodontics and Dentofacial Orthopedics 109 (1), 38-49, 1996 | 361 | 1996 |
| Evolution of Class III treatment in orthodontics P Ngan, W Moon American Journal of Orthodontics and Dentofacial Orthopedics 148 (1), 22-36, 2015 | 332 | 2015 |
| Interleukin 1 beta and prostaglandin E are involved in the response of periodontal cells to mechanical stress in vivo and in vitro M Saito, S Saito, PW Ngan, J Shanfeld, Z Davidovitch American Journal of Orthodontics and Dentofacial Orthopedics 99 (3), 226-240, 1991 | 324 | 1991 |
| Accuracy of space analysis with emodels and plaster models SR Mullen, CA Martin, P Ngan, M Gladwin American Journal of Orthodontics and Dentofacial Orthopedics 132 (3), 346-352, 2007 | 312 | 2007 |
| Timing for effective application of anteriorly directed orthopedic force to the maxilla D Merwin, P Ngan, U Hagg, C Yiu, SHY Wei American Journal of Orthodontics and Dentofacial Orthopedics 112 (3), 292-299, 1997 | 305 | 1997 |
| Cephalometric and occlusal changes following maxillary expansion and protraction P Ngan, C Yiu, A Hu, U Hägg, SHY Wei, E Gunel The European Journal of Orthodontics 20 (3), 237-254, 1998 | 290 | 1998 |
| The effect of ibuprofen on the level of discomfort inpatients undergoing orthodontic treatment P Ngan, S Wilson, J Shanfeld, H Amini American Journal of Orthodontics and Dentofacial Orthopedics 106 (1), 88-95, 1994 | 265 | 1994 |
| Three-dimensional modeling and finite element analysis in treatment planning for orthodontic tooth movement HH Ammar, P Ngan, RJ Crout, VH Mucino, OM Mukdadi American Journal of Orthodontics and Dentofacial Orthopedics 139 (1), e59-e71, 2011 | 260 | 2011 |
| Longitudinal evaluation of growth changesin class II division 1 subjects PW Ngan, E Byczek, J Scheick Seminars in orthodontics 3 (4), 222-231, 1997 | 233 | 1997 |
| Treatment response to maxillary expansion and protraction P Ngan, U Hägg, C Yiu, D Merwin, SHY Wei European Journal of Orthodontics 18 (2), 151-168, 1996 | 215 | 1996 |
| Cephalometric A point changes during and after maxillary protraction and expansion S Shanker, P Ngan, D Wade, M Beck, C Yiu, U Hägg, SHY Wei American Journal of Orthodontics and Dentofacial Orthopedics 110 (4), 423-430, 1996 | 201 | 1996 |
| Comparison of bond strength between a conventional resin adhesive and a resin-modified glass ionomer adhesive: an in vitro and in vivo study A Summers, E Kao, J Gilmore, E Gunel, P Ngan American Journal of Orthodontics and Dentofacial Orthopedics 126 (2), 200-206, 2004 | 185 | 2004 |
| Management of space problems in the primary and mixed dentitions P Ngan, RG Alkire, H Fields Jr The Journal of the American Dental Association 130 (9), 1330-1339, 1999 | 180 | 1999 |
| A comparison of dental and dentoalveolar changes between rapid palatal expansion and nickel-titanium palatal expansion appliances C Ciambotti, P Ngan, M Durkee, K Kohli, H Kim American Journal of Orthodontics and Dentofacial Orthopedics 119 (1), 11-20, 2001 | 179 | 2001 |
| Class III camouflage treatment: what are the limits? NR Burns, DR Musich, C Martin, T Razmus, E Gunel, P Ngan American journal of orthodontics and dentofacial orthopedics 137 (1), 9. e1 …, 2010 | 173 | 2010 |
| Use of onplants as stable anchorage for facemask treatment: a case report H Hong, P Ngan, HG Li, LG Qi, SHY Wei The Angle Orthodontist 75 (3), 453-460, 2005 | 170 | 2005 |
