| 2022 | | Radiographic Changes of Mandibular Cortical Bone in Bisphosphonate Drug Holiday | 이대훈, 이정근 |
| 2020 | | Relationship on anti-thrombotic drug to periodontal disease | 이정근, 천승희 |
| 2020 | | Relationship between Osteoporosis and Periodontal disease in woman over 50 years | 고은혜, 이정근 |
| 2020 | | Regenerative Effect of Recombinant Human Bone Morphogenetic Protein-2/Absorbable Collagen Sponge(rhBMP-2/ACS) after Sequestrectomy of Medication-Related Osteonecrosis of the Jaw(MRONJ) | 민송희, 이정근 |
| 2019 | | Satisfaction survey of Gyeonggi-do free mobile dental care | 이정근, 홍혜림 |
| 2018 | | The relationship between Nutrition status and Periodontal disease in Korean adult: based on The Korea national health and nutrition examination survey in 2013 | 이정근, 전주은 |
| 2017 | | Influence of Periodontal Infection upon the Stage of MRONJ | 이정근, 홍윤표 |
| 2017 | | Influence of DISC behavioral type on job satisfaction and turnover intention on Dental hygienist. | 도유정, 이정근 |
| 2017 | | The relationship between Glycemic control and Periodontal disease in Korean adult | 이정근, 주미선 |
| 2016 | | Correlation between clinical symptoms and MRI findings in patients with TMJ internal derangement | 이정근, 정영욱 |
| 2016 | | 약제관련 악골괴사에 관한 임상적 연구 | 김유리, 이정근 |
| 2015 | | The Efficacy of the Graft Materials after Sinus elevation | 이정근, 정태민 |
| 2015 | | A study on relationship between subjective periodontal health status and objective periodontal index among adult | 이정근, 정해림 |
| 2014 | | Effect of extraction time and impaction type on complication after extraction of lower third molars | 이정근, 최문선 |
| 2014 | | A Study on etiologic factors for tooth extraction and extraction age of patients visiting a university hospital dental clinic in suwon | 이정근, 조선화 |
| 2013 | | The evaluation of the reproducibility of mock surgery using plaster model and lateral cephalometric radiograph in sagittal split ramus osteotomy | 이병효, 이정근 |
| 2011 | | Effectiveness of autogenous tooth bone used as a graft material for regeneration of bone in minipig | 이정근, 정혜린 |
| 2009 | | 생활성물질이 코팅된 치과임플란트 골 유착 효과에 관한 실험적 연구 | 양근용, 이정근 |
| 2009 | | 악관절 질환에게서 추출한 관절낭액의 proinflammatory cytokine의 농도변화 | 이정근, 조영숙 |
| 2008 | | Comparative Study on Alveolar Bone Level of Maxillary Molar Area and Anatomical Variation of Maxillary Sinus with CT Image | 이두한, 이정근 |
| 2007 | | An Investigation of Heat Transfer to the Implant-Bone Interface and Marginal Gingiva During Preparation of Implant Abutments in the Mouth: in vitro study | 김인수, 이정근 |
