Jian Li

ORCID: 0000-0003-4858-8539
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About
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Research Areas
  • Oral microbiology and periodontitis research
  • Dental Health and Care Utilization
  • Dental Implant Techniques and Outcomes
  • Dental materials and restorations
  • Dental Erosion and Treatment
  • Dental Research and COVID-19
  • Endodontics and Root Canal Treatments
  • Dental Trauma and Treatments
  • Pediatric health and respiratory diseases
  • Elbow and Forearm Trauma Treatment
  • Periodontal Regeneration and Treatments
  • Shoulder and Clavicle Injuries
  • Shoulder Injury and Treatment
  • Reconstructive Surgery and Microvascular Techniques
  • Dental Radiography and Imaging

China Medical University
2019-2025

Sichuan University
2024

West China Hospital of Sichuan University
2024

Northeastern University
2022

Shenyang University
2022

Visual impairment is an important disability affecting a substantial proportion of people globally. The aim this study was to assess the oral health status visually impaired schoolchildren in northeast China, and investigate influencing factors. performed 2015, according criteria methods used Third National Oral Health Epidemiological Survey China. One hundred three from only special school for blind China were included study. examinations caries deciduous permanent teeth, periodontal...

10.1186/s12903-019-0752-2 article EN cc-by BMC Oral Health 2019-04-27

Retention performance is a prerequisite for the protective effect of custom-made mouthguards (MGs). The current study aimed to evaluate influence palatal extensions and brands on retention MGs provide theoretical basis designing comfortable MGs. Using an optimized fully dentate maxillary anatomical teaching model, two sports (Erkoflex (E) Supsmile (S)) were created, with each brand preparing three identical splints, resulting in total six groups (E18, E28, E38, S18, S28, S38) margin...

10.1186/s12903-025-05786-w article EN cc-by-nc-nd BMC Oral Health 2025-03-17

Abstract Background Visual or hearing impairments in students seriously affect their quality of life. The aim this study was to identify oral hygiene status and its influencing factors on visual Northeast China. Methods This conducted May 2022. A total 118 visually impaired 56 from China were included via census. Oral examinations questionnaire-based surveys teachers conducted. caries experience, prevalence gingival bleeding dental calculus. questionnaires three parts: Social demographics...

10.1186/s12903-023-02923-1 article EN cc-by BMC Oral Health 2023-04-26

Objectives . To investigate the prevalence and factors promoting caries in primary dentition of 3-5-year-old children Northeast China. Materials Methods Data 1,229 aged 3 to 5 years were randomly selected. The other indicators assessed, results analyzed by SPSS. A questionnaire was also given children’s guardians ascertain potential risk associated with caries. Results decayed, missing, filled teeth (dmft) index 3, 4, old 3.17, 5.13, 6.07, respectively, while rate 62.16%, 75.89%, 87.28%...

10.1155/2020/5315236 article EN cc-by BioMed Research International 2020-05-11

Dental caries is one of the most common chronic diseases observed in elderly patients. The development preventive strategies for dental individuals vital.The objective present study was to construct a generalized regression neural network (GRNN) prediction model risk assessment among geriatric residents Liaoning, China.A stratified equal-capacity random sampling method used randomly select 1144 (65-74 years) (gender ratio 1 : 1) China. Data oral assessment, including characteristics, and...

10.1155/2020/5348730 article EN cc-by BioMed Research International 2020-12-07

Objectives The present study investigated the prevalence and factors contributing to dental caries in 12–15-year-old adolescents northeast China provide information for promotion programmes. Design, setting participants A cross-sectional survey including examination questionnaire was performed Liaoning province, China. 3731 school participated survey. School were randomly selected received a clinical oral completed questionnaires that assessed their health-related behaviours attitudes....

10.1136/bmjopen-2020-044758 article EN cc-by-nc BMJ Open 2021-11-01

To evaluate the clinical outcomes after implant restoration in posterior region of severe periodontitis patients and to investigate factors natural tooth affecting from perspective improving periodontal health, which may provide a reference for practice.

10.3760/cma.j.cn112144-20231120-00257 article EN PubMed 2024-04-09

Introduction Low bone density and lack of medial support are the two most important factors affecting stability locking plate fixation for osteoporotic proximal humeral fractures (PHFs). This study aimed to compare biomechanical characteristics PHILOS plates combined with calcar screws, cement, fibular allografts, strategies treating PHFs column instability. Methods A three-part PHF (AO 11-B3.2) model metaphyseal loss was generated using 40 synthetic humeri fixed via four distinct...

10.3389/fbioe.2024.1463047 article EN cc-by Frontiers in Bioengineering and Biotechnology 2024-09-25

Abstract Background Children aged 6–9 years are vulnerable to dental caries due age-related limitations and a lack of adequate knowledge regarding oral health hygiene practices. This study aimed establish cohort children between 6 9 conducted 12-month follow-up examine the combined effect pit fissure sealant (PFS) application education on their status. Methods A with was in Liaoning province, China. multi-stage stratified cluster sampling approach employed study. The enrolled 6- 9-year-old...

10.1186/s12903-023-03467-0 article EN cc-by BMC Oral Health 2023-10-27

Abstract Objectives The present study aimed to simulate the influence of palatal extension a custom-made mouthguard (MG) on protecting dentoalveolar structures and provide theoretical basis for designing comfortable MG. Materials Methods Based finite element analysis (3D-FEA) method, five groups maxillary models wearing MG were established —no side (NP), gingival margin (G0), 2 mm from (G2), 4 (G4), 6mm (G6) 8mm (G8). A cuboid was created ground, gradually increasing force applied 0N 500N...

10.21203/rs.3.rs-2037524/v1 preprint EN cc-by Research Square (Research Square) 2022-09-24
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