Po-Jung Chen, DDS, MDS, MDentSc


Assistant Professor

Department of Growth and Development

Contact Information

Room 2433, UNMC College of Dentistry
4000 East Campus Loop South
Lincoln, NE 68583-0740


Teaching Responsibilities

Research/Professional Interests

Professional Memberships

Honors and Awards

Selected Publications 
  1. Seong C, Chen PJ, Kalajzic Z, Mehta S, Sharma A, Nanda R, Yadav S, Dutra EH. Vitamin E enriched diet increases the rate of orthodontic tooth movement. American Journal of Orthodontics and Dentofacial Orthopedics. 2022 May;161(5):687-697.e3. doi: 10.1016/j.ajodo.2020.10.033. Epub 2022 Jan 7.
  2. Liu J, Chen PJ, Mehta S, Dutra EH, Yadav S. Dynamic changes in transcriptome during orthodontic tooth movement. Orthodontics & Craniofacial Research. 2023 Mar 8. doi: 10.1111/ocr.12650.
  3. Chen PJ, Wang K, Mehta S, O'Brien MH, Dealy CN, Dutra EH, Yadav S. Anabolic Response of Intermittent Parathyroid Hormone and Alendronate on the Osteochondral Tissue of TMJ. Cartilage. 2022 Dec;13(4):171-183. doi: 10.1177/19476035221109229. Epub 2022 Oct 14.
  4. Wang K, Xu C, Xie X, Jing Y, Chen PJ, Yadav S, Wang Z, Taylor RW, Wang J, Feng JQ. Axin2+ PDL Cells Directly Contribute to New Alveolar Bone Formation in Response to Orthodontic Tension Force. J Dent Res. 2022 Jan 9:220345211062585. doi: 10.1177/00220345211062585. Epub ahead of print. PMID: 35001706.
  5. Lees-Shepard JB, Flint K, Fisher M, Omi M, Richard K, Antony M, Chen PJ, Yadav S, Threadgill D, Maihle NJ, Dealy CN. Cross-talk between EGFR and BMP signals regulates chondrocyte maturation during endochondral ossification. Dev Dyn. 2022 Jan;251(1):75-94. doi: 10.1002/dvdy.438. Epub 2021 Nov 27. PMID: 34773433.
  6. Zhou Y, Al-Naggar IMA, Chen PJ, Gasek NS, Wang K, Mehta S, Kuchel GA, Yadav S, Xu M. Senolytics alleviate the degenerative disorders of temporomandibular joint in old age. Aging Cell. 2021 Jul;20(7):e13394. doi: 10.1111/acel.13394. Epub 2021 Jun 8. PMID: 34101970; PMCID: PMC8282237.
  7. Seong C, Chen PJ, Kalajzic Z, Mehta S, Sharma A, Nanda R, Yadav S, Dutra EH. Vitamin E enriched diet increases the rate of orthodontic tooth movement. Am J Orthod Dentofacial Orthop. 2022 Jan 7:S0889-5406(21)00786-1. doi: 10.1016/j.ajodo.2020.10.033. Epub ahead of print. PMID: 35012806.
  8. Mehta S, Chen PJ, Upadhyay M, Yadav S. Intermaxillary elastics on skeletal anchorage and MARPE to treat a class III maxillary retrognathic open bite adolescent: A case report. Int Orthod. 2021 Dec;19(4):707-715. doi: 10.1016/j.ortho.2021.08.001. Epub 2021 Aug 25. PMID: 34452857.
  9. Chen PJ, Dutra EH, Mehta S, O'Brien MH, Yadav S. Age-related changes in the cartilage of the temporomandibular joint. Geroscience. 2020 Jun;42(3):995-1004. doi: 10.1007/s11357-020-00160-w. Epub 2020 Jan 28. PMID: 31993924; PMCID: PMC7287006.
  10. Chen PJ, Chang JH, Dutra EH, Ahmida A, Nanda R, Yadav S. The effect of alveolar decortication on orthodontically induced root resorption. Angle Orthod. 2020 Jul 1;90(4):524-531. doi: 10.2319/051819-344.1. PMID: 33378490; PMCID: PMC8028471.
  11. Vishwanath M, Chen PJ, Upadhyay M, Yadav S. Orthodontic management of a patient with short root anomaly and impacted teeth. Am J Orthod Dentofacial Orthop. 2019 Mar;155(3):421-431. doi: 10.1016/j.ajodo.2018.11.009. PMID: 30826045.
  12. Upadhyay M, Shah R, Agarwal S, Vishwanath M, Chen PJ, Asaki T, Peterson D. Force System with Vertical V-Bends: A 3D In Vitro Assessment of Elastic and Rigid Rectangular Archwires. J Vis Exp. 2018 Jul 24;(137):57339. doi: 10.3791/57339. PMID: 30102279; PMCID: PMC6126539.
  13. Chang JH, Chen PJ, Arul MR, Dutra EH, Nanda R, Kumbar SG, Yadav S. Injectable RANKL sustained release formulations to accelerate orthodontic tooth movement. Eur J Orthod. 2020 Jun 23;42(3):317-325. doi: 10.1093/ejo/cjz027. PMID: 31147678; PMCID: PMC7311078.
  14. Mehta S, Chen PJ, Kalajzic Z, Ahmida A, Yadav S. Acceleration of orthodontic tooth movement and root resorption with near and distant surgical insults: An in-vivo study on a rat model. Int Orthod. 2021 Dec;19(4):591-600. doi: 10.1016/j.ortho.2021.10.002. Epub 2021 Oct 27. PMID: 34716100.
  15. O'Brien MH, Dutra EH, Mehta S, Chen PJ, Yadav S. BMP2 Is Required for Postnatal Maintenance of Osteochondral Tissues of the Temporomandibular Joint. Cartilage. 2021 Dec;13(2_suppl):734S-743S. doi: 10.1177/1947603520980158. Epub 2020 Dec 14. PMID: 33307770; PMCID: PMC8804803.
  16. Nanda A, Chen PJ, Mehta S, Kalajzic Z, Dutra EH, Allareddy V, Nanda R, Yadav S. The effect of differential force system and minimal surgical intervention on orthodontic tooth movement and root resorption. Eur J Orthod. 2021 Dec 1;43(6):607-613. doi: 10.1093/ejo/cjaa065. PMID: 33300988; PMCID: PMC8643401.
  17. Mehta S, Dresner R, Gandhi V, Chen PJ, Allareddy V, Kuo CL, Mu J, Yadav S. Effect of positional errors on the accuracy of cervical vertebrae maturation assessment using CBCT and lateral cephalograms. J World Fed Orthod. 2020 Dec;9(4):146-154. doi: 10.1016/j.ejwf.2020.09.006. Epub 2020 Nov 6. PMID: 33162355.
  18. Woods PS, Morin AA, Chen PJ, Mahonski S, Xiao L, Hurley M, Yadav S, Schmidt TA. Automated Indentation Demonstrates Structural Stiffness of Femoral Articular Cartilage and Temporomandibular Joint Mandibular Condylar Cartilage Is Altered in FgF2KO Mice. Cartilage. 2021 Dec;13(2_suppl):1513S-1521S. doi: 10.1177/1947603520962565. Epub 2020 Oct 3. PMID: 33012179; PMCID: PMC8804844.
  19. Azami N, Chen PJ, Mehta S, Kalajzic Z, Dutra EH, Nanda R, Yadav S. Raloxifene administration enhances retention in an orthodontic relapse model. Eur J Orthod. 2020 Sep 11;42(4):371-377. doi: 10.1093/ejo/cjaa008. PMID: 32065225; PMCID: PMC7485273.
  20. Upadhyay M, Hakami Z, Posada L, Chen PJ. A mini-implant-supported s-spring for unilateral molar distalization. J Clin Orthod. 2020 Jul;54(7):410-418. PMID: 32966246.
  21. Alshatti H, Chen PJ, Feldman JA, Upadhyay M, Yadav S. Mini-Implant-Assisted En Masse Protraction of Maxillary Posterior Segment. Turk J Orthod. 2019 Sep;32(3):182-189. doi: 10.5152/TurkJOrthod.2019.18058. Epub 2019 Sep 1. PMID: 31565695; PMCID: PMC6756562.
  22. Dutra EH, O'Brien MH, Chen PJ, Wei M, Yadav S. Intermittent Parathyroid Hormone [1-34] Augments Chondrogenesis of the Mandibular Condylar Cartilage of the Temporomandibular Joint. Cartilage. 2021 Oct;12(4):475-483. doi: 10.1177/1947603519833146. Epub 2019 Mar 22. PMID: 30897936; PMCID: PMC8461153.
  23. Chang J, Chen PJ, Dutra EH, Nanda R, Yadav S. The effect of the extent of surgical insult on orthodontic tooth movement. Eur J Orthod. 2019 Nov 15;41(6):601-608. doi: 10.1093/ejo/cjz006. PMID: 30828725; PMCID: PMC7317287.