MDS (Oral Medicine and Radiology)
People’s Dental College and Hospital, Kathmandu, Nepal

Dr. Rinky Nyachhyon is a highly experienced specialist in Oral Medicine and Maxillofacial Radiology, with over 20 years of clinical, academic, and research experience. She completed her Master in Dental Surgery (MDS) in Oral Medicine and Radiology from Manipal College of Dental Sciences, Mangalore (under Kathmandu University) in 2010, following her Bachelor’s in Dental Surgery (BDS) in 2001.

She currently serves as Professor and Head of Department of Oral Medicine and Radiology at People’s Dental College and Hospital, Kathmandu, where she leads clinical practice, academic teaching, and departmental research.

Academic Qualifications

• MDS – Oral Medicine and Radiology, Manipal College of Dental Sciences, Mangalore (Kathmandu University), 2010
• BDS – Bachelor in Dental Surgery, Manipal, 2001

Professional Experience

• Professor, People’s Dental College and Hospital (2023–present)
• Associate Professor, PDCH (2016–2023)
• Assistant Professor/Lecturer, PDCH (2010–2016)

Current Roles & Responsibilities

• Head of Department, Oral Medicine and Radiology, PDCH
• Member Secretary, Institutional Review Committee (IRC), PDCH (2010–present)

Registrations

• Specialty Registration No. 3201 (2010) – Nepal Medical Council
• Permanent Registration No. 3201 (2002) – Nepal Medical Council

Publications

Dr. Nyachhyon has authored multiple peer-reviewed articles in national and international journals focusing on:

1. Joshi N₁, Shrestha S₂, Prajapati K₄, Wagle SD₅, NyachhyonR₆, Sundas S₇. Presence of Extra Canal in Permanent Mandibular First Molar. Journal of Chitwan Medical College. 2022;12(42):8-11
2. Nyachhyon R₁, Joshi N₂, Raina S₃, Pradhan A₄. Assessment of radiographic errors made while taking intraoral periapical radiographs at tertiary care centre. J Nepal Dent Assoc. 2022 Jan-Jun;22(34):10-4
3. Luitel A₁, Bali H₂, Nyachhyon R₃, Gurung K₄, Shrestha R₅, Rijal A₆, Subedi R₇. Determination and Classification of Intra- oral Photostimulable Phosphor Plate Artifacts in Dental Radiology: A Retrospetive Study.2022 Jan-Jun;22(34):20-4
4. Sakya P₁, Nyachhyon R₂, Pradhan A₃, Tamrakar R₄, Acharya S Morphology of Condyle- A radiographic study. Journal of Chitwan Medical College. 2022;12(39);41-5
5. Nyachhyon R₁, Joshi U₂, Mainali A₃,SakyaP₄. Compression of the Inferior Alveolar Canal by Mandibular Third Molar: A Descriptive Cross-sectional Study. J Nepal Med Assoc. 2022;60(245):26-30
6. Nyachhyon R.Evaluation of Dental Age in Nepali Children using Demirjian’s 7-Teeth Method. Orthodontic Journal of Nepal.2017;7(2):37-40
7. Nyachhyon R1,Sumanth KN 2,Ongole R 3Expression of CD1a by Langerhans cells in oral mucosa of submucous fibrosis patients and arecanut/gutkha chewers. J Nepal Dent Assoc. 2014;14(2):1-6
8. Nyachhyon R1, Boaz K2, Sumanth KN3Minor salivary gland changes in oral submucous fibrosis(OSMF): Retrospective pilot study. J Nepal Dent Assoc. 2011; 12(1): 26-8