Dr.Deenadayalan Purushotaman

Dr.Deenadayalan Purushotaman, MDS, MFDS

Professor
Name Dr.Deenadayalan Purushothaman
Designation Professor
E-Mail ID deenadap@srmist.edu.in
Under Graduation College & Year Sri Ramachandra Medical College and Research Institute, 2005.
Post Graduation College & Year Sri Ramachandra Medical College and Research Institute, 2011
Teaching Experience 13 Years
Expertise Invisalign, Cleft orthodontics, Cephalometrics
Area of Interest Clear Aligners, TAD’s, Accelerated Orthodontics
No. of Publications 70
Ph.D Part Time PhD Scholar - ON GOING
SCOPUS ID 57837724100
ORCID ID 0000-0003-3103-2075
  • MFDS RCPS Glasgow 2025
  • Fellow IADR 2024
  • Academic Council Chairman IOS 2025-2026
  • EC member IOS 2018- 2019, 2019-2021, 2023-2024, 2025-2026
  • EC member ISDR 2019-2021, 2012- 2024, 2024- present
  • "Bisphenol A release from orthodontic adhesives and its correlation with The degree of conversion" Deenadayalan purushothaman, Vignesh Kailasam, run B Chitranajan.AJODO;2015;147;29-36.
  • *Upper airway dimension and sleep effiency - 3D imaging analysis and Assessment of the nasopharyngeal appliance" Venkat R, Vasanthkumar M, Balakrishanan D, Deenadayalan P.UJDR 2015:26:451-61.
  • Repercussion of Non mouth wash on surface charecterization of NIT arch wires, IJDR 2017:28;671-4.
  • Relating HBN and W angle with Sagittal Skeletal Parameters in Chennai population International Journal of Dental Science and Innovative Research (IJDSIR) Volume - 2, Issue - 5, September October - 2019, Page No. : 382 - 387
  • Obstructive Sleep Apnea - Hypoapnea Syndrome: A Review International Journal of Dental Science and Innovative Research (IDSIR) Volume - 2, Issue - 6, November - December - 2019, Page No.: 326 - 339
  • 3D Technology: The Third Dimension In Orthodontics International Journal of Dental Science and Innovative Research (NDSIR) Volume - 4, Issue - 6, December - 2019, Page No. : 32 40
  • Comparison of Surface Roughness of Silver Nanoparticle Coated Orthodontic Bracket and Conventional Stainless Steel Bracket - A Scanning Electron Microscope Study International Journal of Dental Science and Innovative Research (IDSIR) Volume - 2,Issue - 6, November - December - 2019, Page No. : 217 - 221
  • Evaluation of Soft Tissue Measurements in Various Skeletal Malocclusions of Chennai Population- A Cephalometric Study International Journal of Dental Science and Innovative Research (IDSIR) Volume - 2, Issue - 6, November - December - 2019, Page No.: 373 - 380
  • Friction Mechanics - A Review International Journal of Dental Science and Innovative Research (IDSIR) Volume - 5, Issue - 1, February = 2020, Page No. : 46 - 55
  • Frictionless Mechanics - A Review International Journal of Dental Science and Innovative Research (UDSIR) Volume - 5, Issue - 1, February - 2020, Page No, : 128 - 145
  • Orthodontic intrusion of anterior teeth: Basics and Biomechanics, International Journal of Dental Science and Innovative Research (UDSIR) Volume - 3, Issue - 2, March - 2020, Page No, :210 - 216
  • Quadrilateral analysis applied to Chennai population with Deep bite - International journal of scientific research, Volume - 3, Issue - 2, April - 2020, Page No. : 201 - 210.
  • Quadrilateral analysis applied to a city population with Anterior open bite - Indian journal of Dental Research – May 2020
  • Aerosols in Orthodontics - Covid 19. International Journal of Dental Science And Innovative Research (UDSIR) Volume - 3, Issue - 4, August - 2020, Page No.: 270- 279.
  • Cephalometric floating norms for the MMBP-WITS and beta Angle among the Chennai population - International journal of Scientific research, Volume-9, issue -9, September 2020.
  • Intra Oral Molar Distalization Devices - International journal of current Science research. Volume: 6; Issue: 9; Sep-2020; pp 1987-2004
  • Invisalign: A Review International journal of current science research Volume: 6; Issue: 10; October-2020; pp 2022-2039. ISSN: 2454-5422
  • Recent Advanced Esthetic Laser Procedures In Orthodontics: A Literature Review. January - February 2021 RJPBCS 12(1) Page No. 197-205
  • Open Bite Malocclusion - A Review Article International journal of current Science research Volume: 6; Issue: 11; November-2020; pp 2050-2066. ISSN: 2454-5422
  • Covid-19 Awareness Among The Patients Visiting Orthodontists International Journal of Pharmaceutical Research | Jan - Mar 2021 | Vol 13 Issue 1:4544-4550
  • Short  Communication  A True aesthetic orthodontic archwire : Optiflex. Vijay Adith C , Ashok P, Deenadayalan P. ; Journal of positive school psychology ;2022 ; 4492-4494
  • A survey study on the changes in food consumption habits of the patients during fixed orthodontic treatment ; Dr.Nidhi Angrish , Tanya Duggal , Dr.Deenadayalan P ,Dr.Akshay Tandon , Dr.Deepak Chandrasekharan; International Journal of Mechanical Engineering , May 2022; Vol 7 No.5 ;ISSN:0974-5823
  • Survey on the various orthodontic retention practices by general dental practioners/ orthodontists ; Dr.Akshay Tandon ,N.Aishwarya Balaputri , Dr. Deenadayalan, Dr.Nidhi Angrish , Alden Schynder Jason , Dr.Deepak Chandrasekharan; International Journal of Mechanical Engineering ;May 2022; Vol 7 No.5; ISSN: 0974-5823
  • To assess the surface changes and the release of nickel ions from Nickel – titanium (niti) and chromium ions from stainless steel (SS) orthodontic wires on exposure to Betadine Mouthwash ; Deenadayalan P, Sebastian Abraham , Deepak Chandrasekaran , Nidhi Angrish , Katepogu Praveen ; Journal of Positive School Psychology 2022, Vol 6, No 2 , 265-271
  • Stability in rapid maxillary expansion : A systematic review of Randomised Controlled Trials ; Dr.Deepak Chandrasekharan, Dr.Dhivya Dilip Kumar, Dr.Deenadayalan Purushothaman, Dr.Akshay Tandon , Dr.Nidhi Angrish , Dr.Krithika, Dr.Katepogu Praveen ;Specialusis ugdymas /Special Education 2022 1 (43)
  • Distraction osteogenesis in orthodontics; Dr. Akshay Tandon, Dr. Nidhi Angrish, Dr. Deenadayalan P., Dr. Deepak C., Dr. Katepogu Praveen International journal of mechanical engineering; vol 7 no 6 june 2022 ISSN: 0974-5823 pg 30-36
  • A RETROSPECTIVE STUDY OF PATIENT SATISFACTION WITH ORTHODONTIC TREATMENT Dr. Katepogu Praveen, Jahnavi.GSK, Dr. Dhivya.M, Dr. Deepak Chandrasekharan, Dr. Krithika.A, Dr. Deenadayalan. P international journal of mechanical engineering; vol 7 no 6 june 2022 ISSN: 0974-5823 pg 41-45
  • MANAGEMENT OF DEEP BITE- A REVIEW Dr. Nidhi Angrish, Dr. Akshay Tandon, Dr. Deenadayalan P., Dr. Deepak C., Dr. Katepogu Praveen International journal of mechanical engineering; vol 7 no 6 june 2022 ISSN: 0974-5823 pg 37-40
  • Orthodontic management of the ectopic erupted maxillary canine Dr. Katepogu Praveen Dr. A. Sujana, Dr. Deenadayalan. P , Dr. Deepak Chandrasekharan, Dr. Akshay Tandon , Dr. Nidhi Angrish; international journal of mechanical engineering; vol 7 no 6 june 2022 ISSN: 0974-5823 pg 46-53
  • Enamel Surface Roughness Evaluation after Bracket Debonding: Comparison between Light Cure and Self Cure Adhesive Resin 3Dimensional Profilometric Study. Deepak Chandrasekharan, Chandan Sourabh , Deenadayalan, Katepogu Praveen, Indian Journal of Dental Research, Issue 01 , Volume 33 pg 80-84, January-March 2022
  • Effect of ER, CR: YSGG laser debonding on enamel surface changes in stainless steel and ceramic brackets- An in vitro study Rao A, Deenadayalan P, Deepak C, Dilipkumar D, Angrish N, Shetty SS. Effect of ER, CR: YSGG laser debonding on enamel surface changes in stainless
  • steel and ceramic brackets- An in vitro study. J Orthodont Sci;12: 7, 2023
  • Comparison of surface topography changes from conventional metal brackets and selfligating metal brackets after immersion in three different mouthwashes using atomic force microscopy: An in vitro study Thulasiram SR, Chandrasekharan D, Angrish N, Krithika A,
  • Praveen K, Deenadayalan P. An in vitro study. J Pharm Bioall Sci 2023; 15: S63640 2023
  • Comparison of stress distribution and displacement pattern among two different mini implant assisted rapid palatal expanders (MARPE’s)- A micro computerized tomography (μ- CT) Finite element methodology study (FEM) Dr. Elamvaluthi Mani, Dr. Akshay Tandon , Dr.Deenadayalan Purushothaman, Dr. Nidhi Angrish, Dr. Krithika. A, Dr.katepogu Praveen, Dr. Deepak Chandrasekharan, Journal of Clinical Otorhinolaryngology, Head, and Neck Surgery, Vol: 27 Issue: 1, 2023
  • Comparison of ion release from conventional metal brackets and self ligating metal brackets after immersion in three different mouthwashes Dr. S.R.T. Sakthivel Ram , Dr. Nidhi Angrish , Dr. Deenadayalan Purushothaman , Dr. Akshay Tandon, Dr. Krithika. A, Dr. Katepogu Praveen, Dr. Deepak Chandrasekharan, Journal of Clinical Otorhinolaryngology, Head, and Neck Surgery, Vol.: 27 Issue: 1, 2023
  • Evaluation of surface structural changes and anti bacterial effect of silver oxide, zinc oxide and titanium oxide coated nanoparticles on stainless steel miniscrews to that of conventional stainless steel miniscrews- An in vitro study Dr. Syed E Shihaab Noor, Dr. Deenadayalan Purusothaman, Dr. Krithika A, Dr. Akshay Tandon, Dr. Nidhi Angrish, Dr. Praveen K, Dr. Deepak Chandrasekharan, An in vitro study, Journal of Clinical Otorhinolaryngology, Head, and Neck Surgery, Vol.: 27 Issue: 1, 2023
  • Orthopantomographic analysis for assessment of mandibular asymmetry and reliability of gonial angle in varying growth trends among Chennai population Dr. S. Syed Shihaab E Noor , Dr. Akshay Tandon , Dr. C. Deepak , Dr. P. Deenadayalan , Dr. Praveen K , Dr. Nidhi
  • Angrish ,Dr. Krithika. A European chemical bulletin, 12(Special Issue 3), 6374 –6380, 2023
  • Comparison of panoramic radiograph and lateral cephalogram in assessing gonial angle and ramal length in patients undergoing orthodontic treatment in south india An retrospective study. Dr. Muskan salgia, Dr. Nidhi Angrish , Dr. Deepak Chandrasekharan , Dr. Akshay
  • Tandon, Dr. Katepogu Praveen , Dr. Deenadayalan.P , Dr. A. Krithika, Comparison of panoramic radiograph and lateral cephalogram in assessing gonial angle and ramal length in patients undergoing orthodontic treatment in south india- An retrospective study, European chemical bulletin, 12(Special Issue 3), 6403 –6406, 2023
  • Occupational stress among visiting orthodontists in Chennai, India- A survey based study Dr. Deepak chandrasekharan, Dr. Deenadayalan P, Dr. Akshay Tandon, Dr. Nidhi Angrish, Dr. A. Krithika, Dr. Katepogu Praveen, European chemical bulletin, Volume 12(Special Issue 03), 6385 –6388 (2023)
  • Surface changes of ceramic brackets exposed to different solution (prophylactic mouthwashes and beverages)- An in vitro study Dr. Elamvaluthi Mani, Dr. Deepak Chandrasekharan, Dr. Akshay Tandon , Dr. Nidhi Angrish, Dr. Krithika. A , Dr. Katepogu Praveen , Dr. Deenadayalan Purushothaman, European chemical bulletin, 12(Special Issue 3), 6415 –6420, 2023.
  • Changes in salivary function after placement of fixed orthodontic appliances. Dr. Akshay Tandon, Dr. Katepogu Praveen, Dr. Deepak Chandrasekharan Dr. Deenadayalan. P, Dr. Nidhi Angrish, Dr.Krithika. A, European chemical bulletin, 12(Special Issue 03), 6407 – 6414, 2023
  • Opinion and different perspectives among orthodontists and general dentists on clear aligners in treatment of various malocclusions- A survey study. Dr. Aacaashnathan A., Dr.Nidhi Angrish, Dr. C. Deepak , Dr.Akshay Tandon , Dr. Praveen K, Dr.Krithika. A , Dr P. Deenadayalan, Opinion and different perspectives among orthodontists and general dentists on clear aligners in treatment of various malocclusions- A survey study,European chemical bulletin, 12(Special Issue 3), 6397 -64, 2023
  • A survey on awareness of malocclusion among the general population in Chennai. Dr.Krithika.A , Dr. C. Deepak , Dr P. Deenadayalan , Dr.Akshay Tandon , Dr.Nidhi Angrish Dr. Katepogu Praveen, European chemical bulletin, 12(Special Issue 3), 6389 – 6396, 2023
  • Evaluation of Wound Healing Property of the Ethanolic Extract of Glycyrrhiza Glabra on Vero Cell Lines Using In Vitro Scratch Assay Test , Ishika Roy, Karuppur Thiagarajan Magesh, Mayilvakanam Sathyakumar, Annamalai Sivachandran Deenadayalan Purushothaman, Ravi Aravindhan, Journal of Pharmacy and Bioallied Sciences | Volume 15 | Supplement 1 | July 2023
  • A Survey on the COVID‐19 Awareness and Vaccination Acceptance/ Hesitance Among the Transgender Population in Various Districts of Tamilnadu, Alden Jason S, KT Magesh, A Sivachandran, R Aravindhan, M Sathyakumar, Purushothaman Deenadayalan, Journal of Pharmacy and Bioallied Sciences | Volume 14 | Supplement 1 | July 2022
  • Bibliometric Analysis of Dental Caries Detection, Ganesh C, Victor Samuel A, Deenadayalan Purushothaman, Magesh K T, Vivek N, Cureus 15(6): e40741. June 21 2023
  • Bibliometric Study on Temporary Anchorage Devices in Orthodontics, Palani Vinodhini, Chandrasekharan Deepak, Katepogu Praveen, et al. J Res Med Dent Sci, 2023,11(11):29-36.
  • Effectiveness of clear aligners in orthodontic treatment - a review- dr. bharathi priya.m1, dr. deenadhayalan purusothaman2 , dr. akshay Tandon3 , dr. nidhi angrish4 , dr.katepogu praveen5, dr. deepak chandrasekharan6 . Eur. Chem. Bull. 2023, 12(Special Issue10), 3572 –3576
  • Surgery first orthognathic approach (SFOA) – a review- Dr. Dhinesh Rajendran1, Dr.Deenadayalan Purusothaman2, Dr. Akshay Tandon3, Dr. Nidhi Angrish4 , Dr. Katepogu Praveen5, Dr. Deepak Chandrasekharan6. Eur. Chem. Bull. 2023,   12(Special Issue 10), 3577–3582
  • Enmasse retraction in orthodontics – a review article- Dr. Ponnar C. K, Dr. Deenadayalan Purusothaman2, Dr. Akshay Tandon3, Dr. Nidhi Angrish4 , Dr. Katepogu Praveen5, Dr.Deepak Chandrasekharan .China Petroleum Processing and Petrochemical Technology Catalyst Research Volume 23, Issue 2, September 2023 Pp. 737-751
  • Bibliometric analysis of peer‑reviewed literature on friction in orthodontics.Munusamy LR, Chandrasekar D, Tandon A, Praveen K, Angrish N, Deenadayalan P, et al.SRM J Res Dent Sci 2024;15:32-8.
  • A BIBLIOMETRIC ANALYSIS ON WHITE SPOT LESIONS (WSLs) IN FIXED ORTHODONTICS., Dr. Harini Ramaswamy1, Dr. Deepak2, Dr. Nidhi Angrish3, Dr AkshayTandon4, Dr Praveen Katepogu5 & Dr. Deenadayalan Purushothaman, International Journal of General Medicine and Pharmacy (IJGMP) ISSN (P): 2319–3999; ISSN (E): 2319–4006 Vol.13, Issue 1, Jan–Jun 2024; 1–8
  • A Comparative Analysis Of Treatment Outcomes Of Powerscope And Advansync2 In Class II Division 1 Malocclusion: A Retrospective Study,Dr. Pragyan Mishra1, Dr. Deenadayalan Purushothaman2, Dr. Akshay Tandon3, Dr. Nidhi Angrish4,Dr. Katepogu Praveen5, Dr. Deepak Chandrasekharan6*/ Afr. J. Bio. Sc. 6(4) (2024)
  • A Modified Kim’s Approach Of Correcting Openbite In Different Skeletal Bases –A Case Series,Dr. Swethha V K1, Dr. Deenadayalan Purushothaman2, Dr. Akshay Tandon3, Dr. Nidhi Angrish4, Dr.Reshma Mohan5 Dr. Deepak Chandrasekharan6*Afr. J. Bio. Sc. 6(4) (2024)
  • Incidence Of Accidental Bracket Debonding During Fixed Orthodontic Treatment: A Systematic Review.Harithaarani Sundaram1, Akshay Tandon2, Deepak Chandrasekharan3, Deenadayalan Purushothaman4,Katepogu Praveen5, Reshma Mohan6, Nidhi Angrish7*2024, 30(1), 2074- 2978
  • Soft Tissue Changes After Mandibular Setback And Malar Augmentation For Class III Skeletal Patient-Case Report,Dr.Nivetha Samruthi1, Dr. Deenadayalan Purushothaman2, Dr. Akshay Tandon3, Dr. Nidhi Angrish4,Dr. Katepogu Praveen5,Dr. Deepak Chandrasekharan Afr. J. Bio. Sc. 6(4) (2024)
  • Survey study on patient's expectations and opinions of fixed orthodontic treatment.Abishek Nagaraj Priya1, Katepogu Praveen2, Deepak Chandrasekharan3, Deenadayalan Purushothaman4,Akshay Tandon5, Reshma Mohan6, Nidhi Angrish7*2024, 30(1), 1992 -2000
  • Implications of Lingual Orthodontics Compared to Conventional Orthodontics Sneha Nandakumar , Akshay Tandon , Deepak Chandrasekaran , Deenadayalan Purushothaman ,Praveen Katepogu , Reshma Mohan , Nidhi Angrish,Cureus 16(10): e72588. DOI 10.7759/cureus.72588.
  • Evaluation of the Impact of Smoking on Orthodontic Treatment .Simi S , Reshma Mohan , Deepak Chandrasekaran , Deenadayalan Purushothaman , Akshay Tandon ,Nidhi Angrish , Praveen KatepoguS S, Mohan R, (November 11, 2024)Cureus 16(11):e73431. DOI 10.7759/cureus.73431
  • Evaluation of Colour Stability in Orthodontic E-Chains in Various Solutions: An in Vitro StudyPavithra Dharumalingam1, Dr. Nidhi, A2, Dr. C. Deepak3, Dr. Deenadayalan, P4, Dr. Reshma Mohan2, Dr. Akshay, T2, Dr.K. Praveen2*
  • Evolution And Implementation Of Artificial Intelligence InOrthodontics – A Literature ReviewBarnini Dasgupta, Nidhi Angrish2, Deepak Chandrasekharan3 DeenadayalanPurushothaman4 Katepogu Praveen5, Reshma Mohan6, Akshay Tandon7*
  • Pain Level in Clear Aligners and its Effects in Speech- Literature Review.Dhanu Sri T1Nidhi Angrish2, Deepak Chandrasekharan3 Deenadayalan Purushothaman4Katepogu Praveen5, Reshma Mohan6, Akshay Tandon7
  • Anchorage and Stability of Orthodontic MiniImplants in Relation to Length and Types of ImplantsSnehaa Selvaraj , Akshay Tandon , Deepak Chandrasekaran , Deenadayalan Purushothaman ,Praveen Katepogu , Reshma Mohan , Nidhi Angrish
  • “An in-Vitro Study Comparing The Shear Bond Strength of Four Commercially Available Bonding Materials”, Pavithra K.G, Praveen Katepogu, Deepak Chandrasekharan, Deenadayalan Purushothaman, Akshay Tandon, Nidhi Angrish, Reshma Mohan, IJDSIR- April – 2025, Volume – 8, Issue – 2, P. No. 36 – 44.
  • 64.Effect of Varying Thickness of Clear Aligners in Orthodontic Therapy - A Review S Redarshini, Nidhi Angrish, Deepak Chandrasekaran,Deenadayalan Purushothaman, Praveen Katepogu, Reshma Mohan, Reshmma V, Akshay Tandon -International Journal of Research and Review [Indexed, Peer-Reviewed Journal] Volume 12; Issue: 11; November 2025
  • Isolation of Microorganisms in Used Orthodontic Aligners Using Culture Media in the South Indian Population – An Observational Study Dr. M. S. Suwethaa1; Dr. Purushotaman Deenadayalan2; Dr. C. Deepak3; Dr. Akshay T.4; Dr. Nidhi. A.5; Dr. Praveen6; Dr. Reshma Mohan7  Volume 10, Issue 8, August – 2025 International Journal of Innovative Science and Research Technology ISSN No:-2456-2165
  • Correlation of Mouth Breathing Habit with Naso respiratory Obstruction: A Review SudharsanaV, Nidhi Angrish, Deepak Chandrasekaran, Deenadayalan Purushothaman, Praveen Katepogu, Reshma Mohan, Kaviya Priya, Akshay Tandon Quest Journals Journal of Medical and Dental Science Research Volume 12~ Issue 11 (November 2025) pp: 15-21 ISSN(Online): 2394-076X ISSN (Print):2394-0751
  • Enamel Surface Alterations After Orthodontic Debonding: A Comprehensive Review of Bracket Materials, Future Perspectives and Comparisons Ashwinnathan 1, Dr. Deenadayalan Purushothaman 2, Dr. Deepak Chandrasekaran 3, Dr. Nidhi Angrish 4, Dr. Praveen Katepogu 5, Dr. Reshma Mohan 6, Dr. Kavya Priya 7, *Dr. Akshay Tandon 8  Global Journal of Research in Dental Sciences ISSN: 2583-2840 (Online) Volume 05 | Issue 05 | Sept. – Oct. | 2025
  • Medications in Orthodontics: Promotors, Suppresors and Clinical Considerations 1Dr. Nayana Setty*, 2Dr. Deepak Chandrasekharan, 3Dr. Deenadayalan Purusothaman, 4Dr. Akshay Tandon, 5Dr. Nidhi Angrish, 6Dr. Katepogu Praveen and 7Dr. Reshma Mohan  Global Journal of Research in Dental Sciences ISSN: 2583-2840 (Online) Volume 05 | Issue 05 | Sept.-Oct. | 2025
  • Comparative Analysis of Direct and Indirect Bonding Modalities in Orthodontics: Advances and Clinical Implications – A Review 1 Dr. M. Hariis*, 2 Dr. Deepak Chandrasekharan, 3 Dr. Deenadayalan Purusothaman, 4 Dr. Akshay Tandon, 5 Dr. Nidhi Angrish, 6 Dr. Katepogu Praveen and 7 Dr. Reshma Mohan  Global Journal of Research in Dental Sciences ISSN: 2583-2840 (Online) Volume 05 | Issue 05 | Sept. – Oct. | 2025
  • Aligner Recycling: - Exploring the Processes and Methods – A Narrative Review Vigneshwaran K1, Selvaganesh L2, Dr. Deepak Chandrasekaran3, Dr. Deenadayalan Purushothaman4, Dr. Akshay Tandon5, Dr. Nidhi Angrish6, Dr. Reshma Mohan7, Dr. Kaviya Priya8, *Dr. Praveen Katepogu Global Journal of Research in Dental Sciences ISSN: 2583-2840 (Online) Volume 05 | Issue 05 | Sept. – Oct. | 2025

On Going Research

  • Evaluation of frictional resistance of conventional ceramic brackets and ceramic self-ligating brackets using 0.019 x 0.025” stainless steel archwires, coated with various friction reducing materials, under various conditions: an invitro study”

Patents

  • Dr. Deenadayalan. P, Application Number : 202341009785a, Title of the Patent : Bracket Holder With Positioning Jig, Year of Publication 2023