이인복 In-Bog Lee   교수 / D.D.S.， Ph.D.
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치과보존학교실 / 치과보존학 / 치과생체재료과학
· Major : 보존수복학
· E-mail : inboglee@snu.ac.kr
· Tel : 02-2072-3953
· Laboratory : 치과용 복합재료 및 생역학 연구실
Current Research Interests

최근 심미에 대한 환자들의 요구가 증가함에 따라 복합레진을 이용한 심미수복이 크게 증가하고 있다. 본 연구실에서는 복합레진의 물리적 성질과 복합레진 수복 시 일어날 수 있는 생역학적 현상을 측정하고， 보다 나은 임상적 결과를 가져올 수 있는 수복재료의 개발과 임상술식을 연구하고 있다.

1. 치과용 복합레진의 광중합 시 선형 및 체적 중합수축， 탄성계수 변화를 측정할 수 있는 장치의 개발 및 측정.
2. 복합레진의 점탄성에 관한 유변학적 연구와 Rheometer의 제작 및 측정.
3. 와동의 기하학적 형태 및 수복 방법에 따른 치아 교두의 변형을 측정.
4. C-factor， 복합레진의 점성， 탄성계수 및 측정 장치의 Compliance 변화에 따른 중합수축응력의 측정.
5. Laser 변위센서를 이용한 복합레진의 수축 및 교두 변형， X-Y table 과 Servo motor를 이용한 치아 교합면 형상의 3 차원 측정.
6. Computer vision 을 이용한 복합레진 표면의 입자 운동의 추적， 중합수축 벡터의 측정과 시공간적 분석.
7. CAD/CAM 을 이용한 Computerized restoration의  연구.

8. Dentinal fluid flow의 실시간 측정을 이용한 Tooth desensitizer의 효용성 평가.

9. Acoustic Emission 방법을 이용한 치과용 접착제의 de-bonding 역학 연구. 

10. Stereo camera를 이용한 악운동 Kinematics의 분석

Research Methodology

1. 각종 센서와 Actuator를 이용한 계측 장치 개발.

2. 레이저 광학 기술을 응용한 3차원 형상 계측 및 display 기술.

3. Computer vision과 Labview programming.

4. Arduino 마이크로콘트롤러와 Processing language를 이용한 지능형 계측시스템의 개발.

 

본 연구실이 제작한 측정 장비들

  1. Volume shrinkage measurement instrument

  2. Axial shrinkage measurement instrument

  3. Composite shrinkage stress - strain analyzer

  4. Cusp deflection measurement system

  5. Vertical oscillation rheometer

  6. Laser 3D profilometer

  7. Rotational rheometer

  8. Nano-flow measurement system

  9. Strain gage measurement system

  10. Acoustic Emission analyzer

  11. Computer vision System for measuring Optical flow (Shrinkage Vector)

  12. Composite shrinkage stress- strain analyzer II

Publication / Patent

Published articles in international journals

1. In-Bog Lee, Chung-Moon Um. Thermal analysis on the cure speed of dual cured resin cements under porcelain inlays. Journal of Oral Rehabilitation 28(2);186-197, Feb.2001

2. In-Bog Lee*, Ho-Hyun Son, Chung-Moon Um. Rheologic Properties of flowable, conventional hybrid, and condensable composite resins. Dental Materials 298-307, 19(4); Jun. 2003

3. In-Bog Lee*, Byung-Hoon Cho, Ho-Hyun Son, Chung-Moon Um. A new method to measure the polymerization shrinkage kinetics of light cured composites. Journal of Oral Rehabilitation, 32(4):304-314, Apr. 2005.

4. Jong-Hyuk Lee, Chung-Moon Um, In-bog Lee*. Rheological properties of resin composites according to variations in monomer and filler composition. Dental Materials, Dent Mater;22(6), 515-26, Jun. 2006.

5. In-Bog Lee*, Byung-Hoon Cho, Ho-Hyun Son, Chung-Moon Um. The effect of consistency, specimen geometry and adhesion on the linear polymerization shrinkage measurement of light cured composites. Dental Materials, 22(11), 1071-1079, Nov. 2006.

6. Mi-Ra Lee, Byung-Hoon Cho, Ho-Hyun Son, Chung-Moon Um, In-Bog Lee*. Influence of cavity dimension and restoration methods on the cusp deflection of premolars in composite restoration. Dental Materials, 23(3), 288-295, Mar. 2007.

7. In-Bog Lee*, Byung-Hoon Cho, Ho-Hyun Son, Chung-Moon Um. Rheological characterization of composites using a vertical oscillation rheometer. Dental Materials, 23(4), 425-432, Apr. 2007.

8. Sue Hyun Lee1, Juhea Chang1, Jack Ferracane2, In-Bog Lee*. Influence of instrument compliance and specimen thickness on the polymerization shrinkage stress measurement of light-cured composites. Dental Materials, 23(9), 1093-1100, Sep. 2007.

9. Ayman Ellakwa, Nakyeon Cho, In Bog Lee*. The effect of resin matrix composition on the polymerization shrinkage and rheological properties of experimental dental composites. Dental Materials, 23(10), 1229-1235, Oct. 2007.

10. In Bog Lee*, Woong An, Juhea Chang, Chung Moon Um. Influence of ceramic thickness and curing mode on the polymerization shrinkage kinetics of dual-cured resin cements. Dental Materials, 24(8), 1141-1147, Aug. 2008.

11. Junkyu Park, Juhea Chang, Jack Ferracane, In Bog Lee*. How should composite be layered to reduce shrinkage stress; incremental or bulk filling? Dental Materials, 24(11),1501-1505, Nov. 2008.

12. In Bog Lee*, Juhea Chang, Jack Ferracane. Slumping resistance and viscoelasticity prior to setting of dental composites. Dental Materials, 24(12),1586-1593, Dec. 2008.

13. Sun-Young Kim, Jack Ferracane, Hae-Young Kim, In-Bog Lee*. Real-time Measurement of Dentinal Fluid Flow during Amalgam and Composite Restoration. J of Dentistry 38(4):343-351, 2010.

14. In-Bog Lee*, Sun-Hong Min, Sun-Young Kim, Jack Ferracane. Slumping tendency and rheological properties of flowable composites. Dental materials, 26(5), 443-448, May. 2010.

15. Min-Ho Kim, Sun-Hong Min, Jack Ferracane, In-bog Lee*. Initial dynamic viscoelasticity change of composites during light curing. Dental materials, 26(5), 463-470, May. 2010.

16. Sun-Hong Min, Jack Ferracane, In-Bog Lee*. Effect of shrinkage strain, modulus, and instrument compliance on polymerization shrinkage stress of light cured composites during the initial curing stage. Dental materials, 26(10), 1024-1033, Oct. 2010.

17. In-Bog Lee*, Sun-Hong Min, Deog-Gyu Seo. A new method to measure the polymerization shrinkage kinetics of composites using a particle tracking method with computer vision. Dental materials, 28(2), 212-218, Feb, 2012.

18. Youngchul Kwon, Jack Ferracane, In-Bog Lee*. Effect of layering methods, composite type, and flowable liner on the polymerization shrinkage stress of light cured composites. Dental materials, 28(7), 801-809, July, 2012.

18-1. Hyang-Ok Lee, In-Bog Lee*. Rheological properties of polyvinylsiloxane impression materials before mixing and during setting related to handling characteristics. Korea-Australia Rheology Journal, 24(3), 211-219:2012.

19. Sun-Young Kim, Eun-Joo Kim, Duck Su Kim, In-Bog Lee*.

"The Evaluation of Dentinal Tubule Occlusion by Desensitizing Agents: A Real-Time Measurement of Dentinal Fluid Flow Rate and SEM". Operative Dentistry, 38(4), 419-428: July/August, 2013.

20. Nak-Yeon Cho, Jack Ferracane, In-Bog Lee*. Acoustic emission analysis of the tooth-composite interfacial debonding. Journal of Dental Research, 92(1), 76-81, Jan 2013.

21. Hyun-Jeong Kweona, Jack Ferracaneb, Kyongok Kangc, Jan Dhontc, In-Bog Leea*. Spatio-temporal analysis of shrinkage vectors during photo-polymerization of composite. Dental materials, 29(12), 1236-1243, Dec 2013.

22. Ryan Jin-Young Kim, Nak-Sam Choi, Jack Ferracane, In-Bog Lee. Acoustic emission analysis of the effect of simulated pulpal pressure and cavity type on the tooth-composite interfacial de-bonding. Dental materials, 30(8), 876-883, Aug 2014.

23. Ryan Jin-Young Kim, Yu-Jin Kim, Nak-Sam Choi, In-Bog Lee. Polymerization shrinkage, modulus, and shrinkage stress related to tooth-restoration interfacial debonding in bulk-fill composites. J Dent 43, 430-439, Apr 2015.

24. Min-Ho Kim, Ryan Jin-Young Kim, Woo-Cheol Lee, In-Bog Lee. Evaluation of dentinal tubule occlusion after laser irradiation and desensitizing agents application.  Am J Dent, 28(5), 303-308, Oct 2015.

25. YJ Kim, Ryan JY Kim, J Ferracane, IB Lee. Influence of the compliance and layering method on the wall deflection of simulated cavities in bulk-fill composite restoration. Operative Dentistry, 2016, Accepted

 

Patent (특허)

1. 안면측정기 10-2012-0065992 (2014.3.14)