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01/07/08

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PATENTS

  • Invention: Fiber Optic Biosensor (FOBS). Nanyang Technological University assignee, Year 2002, No: 200201691-3.

  • Invention: A Photosensitising Composition And Uses Thereof. National University of Singapore assignee, Year 2005. PCT Patent Application No. PCT/SG2006/000154.

International Journal Publications

  1. A. Asundi & A. Kishen*. Biomechanics of endodontic endosseous implant- a photoelastic evaluation. Endodontics & Dental Traumatology, 1999; 15: 83-87.
  2. Anand Asundi & Anil Kishen*. In vivo strain and in vitro stress distribution in dental supporting structures- a strain gauge and photoelastic analysis. Archives of Oral Biology, 2000; 45: 543-550.
  3. A. Kishen*, U. Ramamurty, A. Asundi. Experimental studies on the nature of property gradients in human dentine.  Journal of Biomedical Materials Research, 2000; 51: 650-659.
  4. A. Asundi & A. Kishen*. Photoelastic and Image processing analysis on the stress distribution in Dento-osseous system.  Journal of Engineering in Medicine, 2000; 214: 659-667.
  5. Asundi & Anil Kishen*. Digital photoelastic investigations on the tooth-bone interface. Journal of Biomedical Optics, 2001; 6 (2); 224-230.
  6. A. Kishen* & A. Asundi. Investigations of thermal property gradients in the human dentine. Journal of Biomedical Material Research, 2001; 55: 121-130.
  7. Krishnakumar K, V M Murukeshan, A. Kishen, A. Asundi. A novel opto-digital method for obtaining curvature fringes in quasi-real time. Optical Engineering letters, 2001; 3: 340-341.
  8. A. Kishen*, VM. Murukeshan, A. Asundi. Analysis on the nature of thermally induced deformation in human dentine by Electronic Speckle Pattern Interferometry (ESPI). Journal of Dentistry, 2001; 29: 531-537.
  9. A. Kishen* & A. Asundi. Photomechanical investigations on post-endodontically rehabilitated teeth. Journal of Biomedical Optics, 2002; 7: 262-270. 
  10. Pradeep AR*, Subba Rao CV, Parameswaran A, Kishen A*, Lim CS. Scanning electron microscopic and energy dispersive spectrometric investigations on the effect of XeCl excimer laser on human dentin with smear layer. Journal of Oral Rehabilitation, 2002; 29:1003-1009.
  11. MS. John*, Anil Kishen*, Lim Chu Sing, Anand Asundi. Determination of bacterial activity using an evanescent wave fiber optic sensor, Applied Optics 2002; 34, 7334-7338.
  12. A. Kishen*¸ A. Asundi. Biomimetics in dental restorations via photonics. Journal of X Ray Science & Technology, 2002; 10 (3-4), 153-166.
  13. Kishen*, A. Asundi. Optics in dental photobiomechanics, Asian Journal of Physics, 2002; 11(4), 441-448 (Invited article).
  14. P.V. Preejith, CS Lim, A. Kishen MS John, A Asundi. A fiber optic evanescent wave based biosensor for total protein detection, Biotechnology Letters 2003; 25(2), 105-110.
  15. Kishen*, VM Murukeshan*, V Krishnakumar, CS Lim, A. Asundi. Digital Speckle Pattern Interferometry and thermographic analysis on the thermal response of human teeth. Journal of Optics & Lasers in Engineering, 2003; 39 (4), 489-500.
  16. JA. Griggs, JC. Wataha, A. Kishen. Effect of hydrolyzed surface layer on the cytotoxicity and chemical resistance of a low fusing porcelain, Dental Materials, 2003; 19 (5), 353-358.
  17. A. Kishen*, M.S. John*, C.S. Lim. A. Asundi. Development and application of a Fiber Optic Biosensor (FOBS) to monitor mutans streptococci activity in human saliva, Biosensors & Bioelectronics 2003; 18 (11), 1371-1378.
  18. JA. Griggs, A Kishen, Kim Nga Le. Mechanism of strength increase for a hydrothermal porcelain, Dental Materials 2003; 19: 625-631.
  19. A. Kishen*, GV Kumar, NN Chen. Stress-strain response in human dentine: rethinking fracture predilection in post-core restored teeth. Dental Traumatology. 2004; 20 (2): 90-100.
  20. Kishen A*, Chen NN, Tan L, Asundi A. Chairside sensor for rapid monitoring of Enterococcus faecalis activity.  Journal of Endodontics. 2004; 30(12):872-5.
  21. A. Kishen*, A. Asundi. Experimental investigation on the role of water in the mechanical behavior of structural dentine. Journal of Biomedical Material Research 2005; 73A, 192-200.
  22. A. Kishen*, A. Asundi. Photomechanical investigations on the stress-strain relationship in dentine macrostructure. Journal of Biomedical Optics 2005 (May 2005 e-pub).
  23. A. Kishen*, KBC Tan, A Asundi. Digital moiré interferometric investigations on the deformation gradients of enamel and dentine: An insight into non-carious cervical lesions. Journal of Dentistry (May 2005 e-pub).
  24. S. George, A. Kishen*, KP Song. The role of environmental changes on monospecies biofilm formation on root canal wall by Enterococcus faecalis. Journal of Endodontics 2005  Sep;38(9):597-603.
  25. A. Kishen. Periapical biomechanics and the role of cyclic biting force in Apical Retrograde Fluid Movement. International Endodontic Journal 2005 Sep;38(9):597-603.
  26. Sum CP, Neo J, Kishen A. What we leave behind in root canals after endodontic treatment: some issues and concerns. Aust Endod J. 2005 Dec;31(3):94-100.
  27. Kishen A, George S, Kumar R. Enterococcus faecalis mediated biomineralized biofilm formation on root-canal-dentine.  J Biomed Mater Res A. 2006 May;77(2):406-15.
  28. Kishen A. Mechanisms and risk factors for fractures in endodontically treated teeth. Endodontic topics 13 (1), 57-83.
  29. Kishen A, Rafique A. Investigations on the dynamics of water in the macrostructural dentine. J Biomed Opt. 2006 Sep-Oct;11(5):054018.
  30. Kishen A*. Vedantum S. Hydromechanics in dentine: Role of dentinal tubules and hydrostatic pressure on mechanical stress-strain distribution. Dental Materials 2007 Jan 6 [E pub].
  31.  George S, Kishen A*. Advanced Non Invasive Light Activated Disinfection: Assessment of cytotoxicity on fibroblast versus antimicrobial activity against Enterococcus faecalis. Journal of Endodontics 2007;33(5):599-602.
  32.  George S, Kishen A*. Biophysical Characterization of Photosensitizer in Different Formulations for Improved Light Activated Disinfection in Endodontics. Journal of Biomedical Optics 2007;12(3):034029.
  33.  George S, Kishen A*. Effect of Tissue Fluids on the Hydrophobicity of E. faecalis and their Adherence to Dentine. Journal of Endodontics 2007 Dec;33(12):1421-5..
  34. George S, Kishen A*. Influence of Photosensitizer Solvent on the Mechanisms of Photo Activated Killing of Enterococcus faecalis. Photochemistry and Photobiology  2007 (in press).

Invited lectures in conferences/ meetings

1.       Kishen A. Bacterial biofilm: Endodontic perspectives. Symposium on Restorative Triads PREP 2007, Coorg, Karnataka, India, 12-13 October 2007.

2. Kishen A. Endodontic disinfection: Present and future. Asian Endodontic Forum, Asian Endodontic Key Opinion leaders meeting, Phuket, Thailand, 18-20 May 2007.

3. Kishen A. Improved photodynamic therapy to disinfect infected teeth. PHOTORADCHEM 2007, Kottayam, India, 8-11 February 2007.

4.  Kishen A. What happens after endodontics: certain biological and mechanical perspectives. F James Marshall Endodontic Study Group, Portland, 20 January 2007.

5. Kishen A. Disinfection methods in endodontics and restoration of endodontically treated teeth: recent research. Post graduate seminar, Oregon Health & Science University, Portland, 19 January 2007.

6.    Kishen A. Bacteria-biomaterial interaction: Can mathematical models work? Workshop on Moving Interface Problems and Applications in Fluid Dynamics, Institute of Mathematical Sciences, National University of Singapore, 9 Jan 2007.

7.   Kishen A. Current disinfection methods in endodontics: do they work? Clinical Society Meeting, Balaji Dental College, Chennai, India, 26 December 2006.

8. Kishen A. Mechanisms and risk factors for fracture predelication in endodontically treated teeth. 21st National conference of the Federation of Operative Dentistry & 24th National conference of Indian Endodontic Society, Mumbai, India, 22-24 December 2006.

9. Kishen A. Biomaterial Centered Infections. Workshop on Biomaterials & Biomedical Devices, Kolkata, India, 12-13 December 2006.

10. Kishen A. Hydromechanics in dentine. International Conference on Design of Biomaterials (BIND 06), Indian Institute of Technology, Kanpur, India. 9-11 December 2006.

11. Kishen A. Advanced Non Invasive Light Activated therapy for endodontic disinfection. Endodontic Forum (Malaysian Endodontic Society – Society for Endodontists Singapore), Kula Lumpur, Malaysia, 4-5 November 2006.

12. Kishen A. Influence of hydration in dentine: the missing link. First International Conference on Tissue Mechanics & Biomaterials, Waikoloa, Hawaii, USA, 11-14 December 2005.

13. Kishen A. Fiber optic spectrophotometry to monitor early enamel demineralization and remineralization in vitro. Saratov Fall Meeting, Saratov 04, Russia, October 2005.

14. Kishen A. Biophotonics in Dentistry: a changing paradigm. 7th Photonics Forum, Singapore 2005.

15. Kishen A, Tan KBC, Asundi A. Photomechanical studies on non-carious cervical lesions of the teeth. Saratov Fall Meeting, Saratov 04, Russia, October 2004.

16. Kishen A, Asundi A. Fiber Optic Micro Bend Sensor for Crack Detection in Human Tooth, Saratov Fall Meeting, Saratov 03, Russia, October 2003.

17. Kishen A, Asundi A. Optical Techniques to study bifunctional adaptation in human dentine. International Conference on Laser Applications and Optical Metrology (ICLAOM-03), New Delhi, Dec 2003.

18. Kishen A, Lim CS, Asundi A. A fiber optic biosensor to monitor mutans streptococci in human saliva, Saratov Fall Meeting, Saratov 02, Russia, October 2002. Published in: v. 5068 - SFM02: Optical Technologies in Biophysics and Medicine IV, Editor: V. Tuchin, SPIE, Washington 2003.

19. Kishen A, Lim CS, Asundi A. Biomimetics in dental restorations via photonics, Plenary lecture at the Saratov International Workshop on Biophotonics 2002, Saratov, Russia, 2002.

20. Kishen A. Restoration of Endodontically Treated Teeth: An Engineering Paradigm, 4th Annual Scientific Meeting, National Dental Center, Singapore, November 2002.

21. Kishen A. Optics in Biosensors, Science 02 Public lectures series (Sponsored by A Star), Singapore, September 2002.

22. Kishen A. What happens after Endodontics? - A fresh engineering paradigm, for the Singapore Endodontic Society, November 1999.

23. Kishen A, Asundi A. Digital Photoelasticity for dental application, International Congress on Medical Diagnostic Techniques & Procedures, Indian Institute of Technology, Madras, India, Narosa Publishing House: New Delhi, 371-381, 1999.

24. Kishen A. Dentine as a functionally graded restorative material, at the National Dental Center, Restorative Dentistry Symposium, in Singapore, August 1999.

25. Kishen A, Asundi A. Strain distribution in dental structures. 2nd Scientific Meeting of the Biomedical Engineering Society, Singapore, 1999.

26. Kishen A. Biomechanics in post endodontic rehabilitation. Asia Pacific Endodontic Confederation - Asia Pacific Dental Congress, held in Singapore, 1999.

27. Kishen A. Post-Endodontic Restorative Materials. Continuing Dental Education Program, held at the Tamilnadu Dr. MGR Medical University, Madras, June 1996 [Invited Lecture]. Published in: Materials Used in Dentistry. Ed. S. Kanappan, Publisher: Tamilnadu Dr. M.G.R. Medical University, Madras, India, 1996.

  Publications in Conferences

28.     Shrestha A, Tahir R, Kishen A. Optical sensor based system to monitor caries activity. Proceedings of SPIE -- Volume 6633 Biophotonics 2007: Optics in Life Science, Jürgen Popp, Gert von Bally, Editors, 663317 (2007).

29. George S, Kishen A. Optimization of an advanced non-invasive light activated disinfection strategy. Proceedings of SPIE-V 6633 Biophotonics 2007: Optics in Life Science, Jürgen Popp, Gert von Bally, Editors, 663318 (2007).

30.  Sum CP, Mohanty SK, Gupta PK, Kishen A. Laser scanning confocal microscopy and laser tweezers-based experiments to understand uentine-bacteria interactions. BIOS 07, Photonics West, San Jose, California, USA, 21-22 January 2007.

31.  Kishen A, Vedantam S, Rafique A. Hydromechanics in dentine: Role of dentinal tubules and hydrostatic pressure. IADR, Brisbane, 28 June to 1 July 2006. 

32.  George S, Kishen A. Can EDTA pretreatment protect Enterococcus faecalis against the antimicrobial effect of Calcium hydroxide? IADR, Brisbane, 28 June to 1 July 2006.

33. Kishen A, Rafique A. A fiber optic microbend sensor to monitor tooth structure loss. BIOS 06, Photonics West, San Jose, California, USA, 21-24 January 2006.

34. Rafique A, Kishen A. Dynamics of water in structural dentine. BIOS 06, Photonics West, San Jose, California, USA, 21-24 January 2006.

35. Kishen A, Tahir R, Neo J. Rapid Optical Sensors for Dentistry. Combined Scientific Meeting, Singapore (SingHealth Group and National Healthcare Group), November 5, 2005.

36. Sum CP, Kishen A, Neo J. Various chemicals and adherence of Enterococcus  faecalis to root canal dentine substrate. IADR-SEA (10-16), pp 55, September 1-4, Malacca, Malaysia 2005.

37. George S, Kishen A, Lim YC. Dynamics and inflammatory potential of Enterococcus faecalis biofilm on root canal. IADR-SEA (IP-023), pp 85, September 1-4, Malacca, Malaysia 2005.

38. Kishen A. Investigations on the role of biting loads on Apical Retrograde fluid movement. IADR, Baltimore March 2005.

39. George S, Song KP, Kishen A. In vitro characterization of biofilm formed by Enterococcus faecalis on root canal wall, IADR, Baltimore March 2005.

40. Kishen A, George S, Sum CP. Periapical dynamics: Possible cause of persistent periapical periodontitis. NUH Annual Scientific Meeting 2004.

41. Kishen A, Asundi A. Moire interferometric investigation on the role of water in the mechanical properties of the teeth. ICEM 04, December 2004, Singapore.

42. Kishen A, Asundi A. Hydromechanics in human dentine. IADR-SEA, Koh Samuai, Thailand, September 2004.

43. George S, Song KP, Kishen A. Monospecies biofilm model for persistent endodontic infection, SES-MES Annual Meeting, Singapore, May 2004.

44. Kishen A, Tan KBC, Asundi A. Deformation of dental hard tissues: An insight into non carious cervical lesions. (International Associational of Dental Research, Honolulu, Hawaii), March 2004.

45. Kishen A, John MS, Lim CS, Asundi A. Fiber optic evanescent wave based microbial sensor for dental application, Biophotonics, International Symposium on Photonics & Application, vol. 4597 (Proceedings of the SPIE) pp. 16–21, Singapore 2001.

46. Kishen A, John MS, Lim CS, Asundi A. Dental caries determination using fiber optic spectroscopy, 4th Singapore General Hospital-Nanyang Technological University Symposium, Singapore, 2001.

47. Kishen A, Lim CS, Asundi A. Thermo-mechanical characterization of a biocomposite, International Conference on Composite Engineering, Spain, 2001.

48. Kishen A, Lim CS, A. Asundi. Three dimensional biofunctional adaptation in human tooth, SPIE Complex Adaptive Structures, Florida, SPIE vol. 4512 (Proceedings of the SPIE –The international Society of Optical Engineering), 2001.

 49. Griggs JA, Kishen A. Influence of hydrolyzation on mechanical properties of a hydrothermal glass.  Journal of Dental Research (Publisher: International Association of Dental Research, Japan, Abstract # 915): 80: 641, 2001.

50. Kishen A, Murukeshan VM, Asundi A. Optical techniques for the evaluation of thermo-functional gradients in human dentine. SPIE's: Laser Interferometry- Application, 4101B-57(Proceedings of the SPIE –The international Society of Optical Engineering), San Diego 2000.

51. Kishen A, Asundi A. Thermo functional adaptation in human dentine, 3rd Nanyang Technological University – Singapore General Hospital Symposium, Singapore 2000.

52. Kishen A, Asundi A. Fractographic investigations on human dentine. Journal of Dental Research (Publisher: International Association of Dental Research), 2000; 79: 1324-1324.

53. Kishen A, Asundi A. Bio-functional adaptation of human dentine, IEEE - Engineering in Medicine & Biology Society, NJ, USA, vol. 2: pp. 765 (The proceeding of the IEEE – The Institute of Electrical and Electronics Engineers), 1999.

54. Kishen A, Asundi A. Biomechanical studies on the functional gradients of dentine structure. Asia Pacific Dental Congress, Singapore, 1999.

55. Kishen A, Subba Rao CV, Parameswaran A. In vivo investigations on the occlusal bite pressure variation with human age. International Congress of Forensic Odontology, Chennai, India, 1998.

56. Asundi A, Kishen A. Digital image analysis of a dental triangle. 2nd International Conference on Control Automation Robotics & Vision 1998 (ICARCV), Singapore, 1998.

57. Kishen A, Radhakrishnan S. Biomechanics of dental Implant, IEEE- Engineering in Medicine and Biology Society, 3: 1017-1020 (The proceeding of the IEEE – The Institute of Electrical and Electronics Engineers), 1997.

58. Kishen A. Survival of the Endodontic endosseous stabilizers - a biomechanical study. 51st Indian Dental Congress, Coimbatore, India, 1997.

59. Kishen A, Parameswaran A. Improved Endodontic stabilizer - Biofunctional & Clinical study-5th National Conference of Biomechanics, Indian Institute of Technology, Madras, India, 1996.

60. Kishen A, Parameswaran A, Subba Rao CV. Management of Root Fractures with Poor Prognosis - A recent approach using Endodontic stabilizers. State conference of the Indian Dental Association, Tiruchirapalli, India, 1996.

61. Kishen A, Subba Rao CV, Parameswaran A. Effect of variation in tooth crown root ratio on dental supporting structures -In vivo strain gauge analysis. 8th National Conference of Indian Society for Dental Research, Mangalore, India, 1995.

62. Kishen A, Parameswaran A. Environmental Mercury Pollution - First National conference of health & environment, Kumbakonam, India, 1995.

63. Kishen A, Parameswaran A, Mohan Kumar GC, Ramaachandran J. Stress distribution pattern of a single rooted tooth-photoelastic and strain gauge analysis - 9th Annual conference of Federation of Operative Dentistry of India, Calcutta, 1994.

64. Kishen A, Parameswaran A, Mohan Kumar GC, Ramaachandran J. Stress distribution pattern in a single rooted tooth - A two-dimensional photoelastic study. All India Inter Dental Scientific meet, Madras, India, 1994.

65. Kishen A, Parameswaran A. Biofunctional consideration in an improved endodontic endosseous stabilizer, 8th National Conference of the Federation of Operative Dentistry of India, Bangalore, 1994.

66. Pandiarajan G, Parameswaran A, Sukumar VG, Kishen A. An In vitro evaluation of dentinal Shear bond strength and micro leakage of recent light cure glass ionomer to conventional glass ionomer cement. 7th National Conference of the Federation of Operative Dentistry of India, Madras, 1993.

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