Qingfei Meng

ORCID: 0000-0001-9638-8641
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About
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Research Areas
  • Dental materials and restorations
  • Endodontics and Root Canal Treatments
  • Dental Implant Techniques and Outcomes
  • Dental Erosion and Treatment
  • Oral and Maxillofacial Pathology
  • Head and Neck Cancer Studies
  • Cancer Diagnosis and Treatment
  • Phenothiazines and Benzothiazines Synthesis and Activities
  • Dental Anxiety and Anesthesia Techniques
  • Neuroscience and Neuropharmacology Research
  • Laser Applications in Dentistry and Medicine
  • Salivary Gland Tumors Diagnosis and Treatment
  • Peptidase Inhibition and Analysis
  • Oral microbiology and periodontitis research
  • Head and Neck Surgical Oncology
  • Cholinesterase and Neurodegenerative Diseases
  • Epilepsy research and treatment
  • Chemical Synthesis and Analysis
  • Dental Trauma and Treatments
  • Lung Cancer Treatments and Mutations

Xuzhou Central Hospital
2013-2024

Xuzhou Medical College
2020-2024

Qingdao University of Science and Technology
2021-2023

Southeast University
2018

Nanjing Medical University
2017

Dental fluorosis is a dental condition caused by excessive intake of fluoride during enamel formation, which can lead to color abnormalities or defects on the tooth surface. The resultant abnormal appearance ranges in severity from mildly white and opaque dark brown, substantially affects patients’ esthetic characteristics self-confidence. Treatment methods include whitening restoration. This clinical report describes use minimally invasive technique 22-year-old woman with moderate...

10.1177/0300060520967538 article EN cc-by-nc Journal of International Medical Research 2020-10-01

The purpose of this study was to evaluate the effect ferrule design on fracture resistance endodontically treated mandibular first premolars after simulated crown lengthening and orthodontic forced eruption methods restored with a fiber post-and-core system. Forty extracted were decoronated create lingual-to-buccal oblique residual root models, 2.0 mm height lingual dentine wall coronal cemento-enamel junction, buccal surface at junction. roots divided randomly into five equal groups....

10.1186/s12903-018-0549-8 article EN cc-by BMC Oral Health 2018-05-10

This in vitro study aimed to evaluate the effect of sodium hypochlorite (NaOCl) and ethylene diamine tetraacetic acid (EDTA) as pretreatments on resin infiltration efficacy resistance enamel white spot lesions (WSLs). Enamel blocks prepared from buccal surfaces sound human premolars were placed a demineralisation solution for 3 days establish artificial WSLs. All with WSLs randomly divided into four groups (n = 40 per group): RI (Control): only. N/RI: 5.25% NaOCl pretreatment + infiltration;...

10.1186/s12903-024-05238-x article EN cc-by-nc-nd BMC Oral Health 2024-11-27

This study aimed to investigate the effects of different ferrule heights and crown-to-root ratios on fracture resistance endodontically-treated premolars restored with fiber post or cast metal system.Eighty extracted human mandibular first single root canal were treated endodontically cut from 2.0 mm above buccal cemento-enamel junction, create horizontal residual roots. The roots randomly divided into two groups. in group FP a post-and-core system, while MP system. Each was five subgroups...

10.1186/s12903-023-03053-4 article EN cc-by BMC Oral Health 2023-06-03

The objective of this study was to evaluate the effect Er:YAG laser irrigation on push-out bond strength fiber posts root dentine. Sixty extracted human mandibular first premolars were collected and decoronated. residual roots received endodontic treatment. treated randomly divided into three groups according different protocols: group LAI (Er:YAG laser-activated irrigation), PUI (passive ultrasonic irrigation, positive control), CSI (conventional syringe negative control) (n = 20). Each two...

10.1007/s10103-022-03542-y article EN cc-by Lasers in Medical Science 2022-03-14

Abstract Background To investigate the effects of different ferrule heights and crown-to-root ratios on fracture resistance endodontically-treated premolars restored with two post-and-core systems. Methods Eighty extracted human mandibular first single root canal were treated endodontically cut from 2.0 mm above buccal cemento-enamel junction, to create horizontal residual roots. The roots randomly divided into groups. in group FP a fiber system, while MP cast metal system. Each was five...

10.21203/rs.3.rs-2649757/v1 preprint EN cc-by Research Square (Research Square) 2023-03-20

Objective To assess the application value of prosthesis assisting postoperative brachytherapy for jaw bone neoplasms. Methods From May 2012 to September 2017, 31 advanced malignant tumor patients with defects treated at Stomatology Department Xuzhou Central Hospital were retrospectively analyzed. All scanned by means computed tomography. Three-dimensional models reconstructed using a treatment planning system and design prostheses radioactive seeds was then implemented. Changes volume...

10.3877/cma.j.issn.1674-0785.2018.10.006 article EN Chin J Clinicians(Electronic Edition) 2018-05-15

Objective The purpose of this study was to evaluate the effect ferrule design on fracture resistance endodontically treated mandibular first premolars after simulated crown lengthening restored with a fiber post-and-core system. Methods Twenty-four extracted and were decoronated at 2.0 mm above cemento-enamel junction, then title surface made from lingual buccal side. The roots divided randomly into three equal groups, according table random numbers. control group incompletely...

10.3877/cma.j.issn.1674-1366.2018.01.005 article EN Chin J Stomatol Res(Electronic Edition) 2018-02-01
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