Yifeng Qian

Yifeng Qian

Department Of Oral And Cranio-Maxillofacial Surgery, Ninth People’s Hospital, Shanghai Jiao Tong University School Of Medicine, No. 639 Zhizaoju Road, Shanghai, 200011 China ...

Direct Impact

Concepts for which Yifeng Qian has direct influence:

oral cancer
syndromic micrognathia
orthognathic surgery
patient-specific implants
gingival thickness
tooth loss
ambient temperature

External impact

Concepts related to the work of other authors for which Yifeng Qian has influence:

african americans
gingival regeneration
concentrated growth
surgical navigation
schneiderian membrane thickness
hiv infection
facial asymmetry

Prominent publications by Yifeng Qian

KOL-Index: 61 BACKGROUND: Earlier studies have not given clear results of concentrated growth factor (CGF) on gingival thickness (GT) in periodontal accelerated osteogenic orthodontics (PAOO). This randomized controlled trial aimed to evaluate the effects of CGF on GT in patients with thin gingival phenotype undergoing PAOO. METHODS: Forty four patients presenting 264 anterior mandibular teeth were ...
Known for
Lateral Incisors | Intergroup Comparison | Collagen Membrane | Paoo Trial
KOL-Index: 24 Accurate reduction is of vital importance in the treatment of zygomaticomaxillary complex (ZMC) fractures. Computer-assisted navigation systems (CANS) have been employed in ZMC fractures to improve the accuracy of surgical reduction. However, randomized controlled trials on this subject are rare and the benefits of CANS remain controversial. The aim of this study was to compare reduction ...
Known for
Navigation-Aided Surgery | Preoperative Computed Tomography | Thirty-Eight | Yaw
KOL-Index: 22 Purpose: There has been growing interest in the association between periodontitis and systemic disease. In recent years, however, inconsistent results have also been found by case-control studies for the role of periodontitis in the development of oral cancer. This study aimed to examine whether periodontitis was an independent risk factor for oral cancer with a ≥75-year age group cohort. ...
Known for
Aged ≥75 | Older Retrospective | Periodontitis Tooth
KOL-Index: 16 BACKGROUND: The seasonal variation of oral diseases has been observed in life, but the influences of oral diseases associated with non-optimal ambient temperature were unknown. OBJECTIVE: To examine whether non-optimum ambient temperature is associated with increased risks of oral diseases. METHODS: We conducted a time series study based on outpatient data from the Shanghai Health ...
Known for
Non-Optimum Ambient Temperature | 7 Days | -3 | Distributed Lagged Nonlinear Models
KOL-Index: 14 Micrognathia is a common craniofacial deformity which represents hypoplastic development of the mandible, accompanied by retrognathia and consequent airway problems. Usually, micrognathia is accompanied by multiple systematic defects, known as syndromic micrognathia, and is in close association with genetic factors. Now, large quantities of pathogenic genes of syndromic micrognathia have ...
Known for
Precise Diagnosis | Classification Syndromic | Hypoplastic | Omim
KOL-Index: 11 BACKGROUND: The maxilla position is essential for the aesthetic and functional outcomes of orthognathic surgery. Previous studies demonstrated the advantages of patient-specific implants in orthognathic surgery. However, more data are needed to confirm the superiority of patient-specific implants over surgical splints created with computer-aided design/computer-aided manufacturing (CAD/CAM). ...
Known for
Position Cad | Implant Splint
KOL-Index: 9 ObjectiveFew studies investigating associations between fine particulate air pollution and hemorrhagic stroke have considered subtypes. Additionally, less is known about the modification of such association by factors measured at the individual level. We aimed to investigate the risk of fatal intracerebral hemorrhage (ICH) incidence in case of PM2.5 (particles ≤ 2.5 μm in aerodynamic ...
Known for
Methodsdata | Acute Stroke Database | Time-Stratified Case-Crossover Approach | Fatal Intracerebral Hemorrhage
KOL-Index: 3 BACKGROUND: Inconsistent results have been found on the association between air pollution and stroke mortality. Additionally, evidence on people who are potentially sensitive to air pollution-associated stroke mortality is limited. METHODS: Daily stroke mortality of adults aged over 65 between 2003 and 2008 in Shanghai, China were collected. The time-stratified case-crossover approach was ...
Known for
Relation Air | Exposure No2 | Dioxide So2

Department of Oral and Cranio-Maxillofacial Surgery, Ninth People’s Hospital, Shanghai Jiao Tong University School of Medicine, No. 639 Zhizaoju Road, Shanghai, 200011 China College of Stomatology, Shanghai Jiao Tong University, National Center for S

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