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Chinese Journal of Dental Research

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https://read.qxmd.com/read/30746535/occurrence-of-maxillary-central-diastema-between-tooth-supported-and-implant-supported-prostheses-a-5-year-clinical-follow-up
#1
De Li Li, Shi Ying Li, Zhi Hui Tang, Yu Wei Wu, Liang Zhong Li
A 27-year-old patient with a history of maxillary anterior tooth trauma presented with a maxillary central diastema between tooth- and implant-supported prostheses that had been in use for 5 years. The all-ceramic crowns were placed in 2012 after rigorous occlusal adjustment. Evaluations were carried out at 0, 2, 3, 4 and 5 years post restoration. The central diastema between the natural teeth and the implant-supported prosthesis on teeth 11 and 12 was first observed 2 years after implantation. After 5 years, the distance was found to have increased, with anterior occlusion and esthetic changes having taken place...
2019: Chinese Journal of Dental Research
https://read.qxmd.com/read/30746534/evaluation-of-paste-containing-gentamicin-amoxicillin-and-metronidazole-in-endodontic-treatment-of-primary-molars-in-vivo
#2
Keyura Parakh, Raghavendra Manjunath Shetty
OBJECTIVE: To evaluate and compare the efficacy of gentamicin, amoxicillin and metronidazole (GAM) antibiotic paste in noninstrumentation and instrumentation techniques in infected primary molars. METHODS: Sixty primary molars in children of 4 to 8 years were selected and divided into four groups: teeth without any periapical or furcation involvement undergoing pulpectomy by noninstrumentation (Group N1) and instrumentation (Group N2) technique using GAM antibiotic paste; teeth with periapical or furcation involvement undergoing pulpectomy by noninstrumentation (Group R1) and instrumentation (Group R2) technique using GAM antibiotic paste...
2019: Chinese Journal of Dental Research
https://read.qxmd.com/read/30746533/diffusion-weighted-magnetic-resonance-imaging-in-odontogenic-keratocysts-preliminary-study-on-usefulness-of-apparent-diffusion-coefficient-maps-for-characterization-of-normal-structures-and-lesions
#3
Ichiro Ogura, Ken Nakahara, Yoshihiko Sasaki, Mikiko Sue, Takaaki Oda
OBJECTIVE: To investigate the usefulness of diffusion-weighted magnetic resonance imaging (DWI) in odontogenic keratocysts, especially apparent diffusion coefficient (ADC) maps for the characterisation of normal structures and cystic lesions in the jaw. METHODS: Sixteen patients who underwent magnetic resonance imaging (MRI) for the diagnosis of a cystic lesion in the jaw were included in this prospective study. DWI was performed on a 1.5 T unit with b factor of 0 and 800 s/mm2, and ADC maps were generated...
2019: Chinese Journal of Dental Research
https://read.qxmd.com/read/30746532/cost-effectiveness-analysis-of-comprehensive-oral-health-care-for-severe-early-childhood-caries-in-urban-beijing-china
#4
Yan Yi Xie, Meng Lin Cheng, Meng Ru Xu, Yan Si, Tao Xu
OBJECTIVE: To evaluate the cost-effectiveness of comprehensive oral health care for severe early childhood caries (S-ECC) in urban Beijing, China. METHODS: A randomised cluster sampling method was used to select 187 children aged 3 to 5 years with S-ECC from two kindergartens in urban Beijing. Comprehensive oral health care and questionnaires for the parents/guardians were provided to the test group, while an oral health examination and questionnaires for the parents/guardians were provided to the control group...
2019: Chinese Journal of Dental Research
https://read.qxmd.com/read/30746531/statistical-analysis-of-current-oral-health-care-and-dental-education-resources-in-china
#5
Da Li Liu, Yu Feng Xie, Rong Shu
OBJECTIVE: To collect information and statistical data regarding the current oral health care and dental education resources in China. METHODS: Electronic databases were searched and a literature review conducted. The homepages of relevant universities and colleges were visited to collect dental education information. In addition, private conversations with related experts were conducted. RESULTS: Compared with the 3rd National Oral Health Survey (2005), the ratio of gingival bleeding in individuals aged 33 to 44 years has increased in the last 10 years...
2019: Chinese Journal of Dental Research
https://read.qxmd.com/read/30746530/morphologic-analysis-of-maxillary-sinus-floor-and-its-correlation-to-molar-roots-using-cone-beam-computed-tomography
#6
Ya Qiong Zhang, Xue Bing Yan, Yuan Meng, Ya Ning Zhao, Deng Gao Liu
OBJECTIVE: To analyse the anterior extension of the maxillary sinus, distribution of the sinus septa and vertical relationship between the maxillary sinus and molar roots using cone beam computed tomography (CBCT). METHODS: Imaging data of 970 consecutive patients who underwent CBCT scans were retrospectively collected. The anterior border, septa distribution of the maxillary sinus and relationship between the maxillary sinus and molar roots were analysed. The root-sinus relationship was divided into three types; the roots protruding into the sinus or touching the floor without a bony barrier was defined as Type I root-sinus relationship...
2019: Chinese Journal of Dental Research
https://read.qxmd.com/read/30746529/clinical-efficiency-and-patient-preference-of-immediate-digital-impression-after-implant-placement-for-single-implant-supported-crown
#7
Dan Ni Guo, Yu Shu Liu, Shao Xia Pan, Peng Fei Wang, Bing Wang, Jian Zhang Liu, Wen Hui Gao, Yong Sheng Zhou
OBJECTIVE: To evaluate the time efficiency and patient preference of three impression techniques by comparing immediate digital impression performed directly after implantation with regular digital impression and conventional implant impression performed 3 months after implantation. METHODS: Twenty consecutive patients with a missing single molar or premolar who received implant treatment were recruited into this prospective self-controlled clinical trial. Three different impression techniques were performed after implant surgery on all the participants: An intraoral scanning (IOS) impression performed immediately after implant placement (immediate digital impression) was compared with a regular digital impression and a classic polyether impression (conventional implant impression) performed 3 months after implant surgery...
2019: Chinese Journal of Dental Research
https://read.qxmd.com/read/30746528/association-between-periodontal-biotype-and-clinical-parameters-a-cross-sectional-study-in-patients-with-skeletal-class-iii-malocclusion
#8
Wu Di Jing, Li Xu, Xiao Xu, Jian Xia Hou, Xiao Tong Li
OBJECTIVE: To evaluate the prevalence of periodontal biotypes in patients with skeletal Class III malocclusion and to explore its association with age, gender, other periodontal clinical parameters and width of keratinized gingiva (WKG). METHODS: Data were collected for the buccal-middle site of 310 anterior teeth from 26 subjects who received periodontally accelerated osteogenic orthodontics (PAOO) surgery before orthodontic treatment. Univariate and multivariate analysis were performed to calculate and test the correlations between periodontal biotype and age, gender and bleeding index (BI), gingival recession (GR), plaque index (PLI), probing depth (PD) and WKG...
2019: Chinese Journal of Dental Research
https://read.qxmd.com/read/30264046/oral-health-status-of-12-year-olds-from-regions-with-and-without-coverage-of-the-national-oral-health-comprehensive-intervention-program-for-children-in-china
#9
Chao Yuan, Xiao Zhe Wang, Xiang Yu Sun, Xing Wang, Xi Ping Feng, Bao Jun Tai, De Yu Hu, Huan Cai Lin, Bo Wang, Yan Si, Chun Xiao Wang, Wen Sheng Rong, Wei Jian Wang, Shu Guo Zheng, Xue Nan Liu
OBJECTIVE: To investigate the oral health status and related factors of 12-year-olds from regions with and without coverage of the National Oral Health Comprehensive Intervention Program in China by means of analysing national data from the 4th National Oral Health Survey. METHODS: Data of 12-year-olds participating in the 4th National Oral Health Survey of China were used for statistical analysis. Children who were recruited in the survey completed a dental examination and filled in a questionnaire...
2018: Chinese Journal of Dental Research
https://read.qxmd.com/read/30264045/report-of-the-national-investigation-of-resources-for-oral-health-in-china
#10
Xiang Yu Sun, Chao Yuan, Xiao Zhe Wang, Xing Wang, Xi Ping Feng, Bao Jun Tai, De Yu Hu, Huan Cai Lin, Bo Wang, Yan Si, Chun Xiao Wang, Wen Sheng Rong, Wei Jian Wang, Xue Nan Liu, Shu Guo Zheng
OBJECTIVE: To investigate the current status and distribution of resources for oral health in China, by means of analysing national data from the National Investigation of Resources for Oral Health. METHODS: The National Investigation of Resources for Oral Health in China was performed in 2015, in parallel with the 4th National Oral Health Survey of China (2015 to 2016). A structured questionnaire on resources for oral health was used to collect the data of professional institutions and stomatological/dental workforce in each province...
2018: Chinese Journal of Dental Research
https://read.qxmd.com/read/30264044/utilisation-of-oral-health-services-and-economic-burden-of-oral-diseases-in-china
#11
Meng Lin Cheng, Meng Ru Xu, Yan Yi Xie, Xiao Li Gao, Hui Jing Wu, Xing Wang, Xi Ping Feng, Bao Jun Tai, De Yu Hu, Huan Cai Lin, Bo Wang, Shu Guo Zheng, Xue Nan Liu, Wen Sheng Rong, Wei Jian Wang, Chun Xiao Wang, Yan Si
OBJECTIVE: To evaluate the use of oral health services, the economic burden of oral diseases and related influential factors in China. METHOD: Using the multistage, stratified, equal proportion, random sampling method in the 4th National Oral Health Survey of China conducted in 2015 to 2016, residents aged 3 to 5 years, 12 to 15 years, 35 to 44 years, 55 to 64 years, and 65 to 74 years respectively were recruited, clinically examined and answered a questionnaire...
2018: Chinese Journal of Dental Research
https://read.qxmd.com/read/30264043/oral-health-knowledge-attitudes-behaviour-and-oral-health-status-of-chinese-diabetic-patients-aged-55-to-74-years
#12
Chun Xiao Wang, Li Li Ma, Yang Yang, Meng Ru Xu, Xing Wang, Xi Ping Feng, Bao Jun Tai, De Yu Hu, Huan Cai Lin, Bo Wang, Shu Guo Zheng, Xue Nan Liu, Wen Sheng Rong, Wei Jian Wang, An Si, Zhi Xin Li
OBJECTIVE: To understand the oral health knowledge, attitude, behaviour and oral health status of Chinese diabetic patients so as to facilitate the development of oral health education programmes for diabetic patients in China. METHOD: A face-to-face questionnaire was conducted for 1,024 diabetic patients and 8,030 non-diabetic people aged 55 to 74 years old in order to understand their oral health knowledge, attitudes, and behaviour. Oral health examination was implemented including caries, gingival bleeding, dental calculus, periodontal attachment loss, etc...
2018: Chinese Journal of Dental Research
https://read.qxmd.com/read/30264042/factors-impacting-the-oral-health-related-quality-of-life-in-chinese-adults-results-from-the-4th-national-oral-health-survey
#13
Qing Hui Zhi, Yan Zhou, Ye Tao, Xing Wang, Xi Ping Feng, Bao Jun Tai, De Yu Hu, Bo Wang, Yan Si, Chun Xiao Wang, Shu Guo Zheng, Xue Nan Liu, Wen Sheng Rong, Wei Jian Wang, Huan Cai Lin
OBJECTIVE: To explore the clinical and socio-demographic factors influencing oral health-related quality of life (OHRQoL) of Chinese adults in the 4th National Oral Health Survey. METHODS: Multistage stratified cluster sampling and PPS method were used in sampling and 4720 adults aged 35 to 44 years were recruited. The study subjects completed a structured questionnaire in an interview and underwent a clinical examination. The questionnaire was a Putonghua version of the General Oral Health Assessment Index (GOHAI) and was completed by the interviewer on the site of the 4th National Oral Health Survey...
2018: Chinese Journal of Dental Research
https://read.qxmd.com/read/30264041/status-of-tooth-loss-and-denture-restoration-in-chinese-adult-population-findings-from-the-4th-national-oral-health-survey
#14
Jing Guo, Jing Hao Ban, Gang Li, Xing Wang, Xi Ping Feng, Bao Jun Tai, De Yu Hu, Huan Cai Lin, Bo Wang, Yan Si, Chun Xiao Wang, Wen Sheng Rong, Wei Jian Wang, Shu Guo Zheng, Xue Nan Liu, Sheng Chao Wang
OBJECTIVE: To investigate the status of tooth loss and denture restoration in Chinese adults, analyse the changing trend and provide fundamental data for oral health policy. METHODS: According to the protocol of the 4th National Oral Health Survey, a multistage stratified random cluster-sampling method was used to enrol adult subjects aged 35 to 44, 55 to 64 and 65 to 74 years in all 31 provinces, municipalities and autonomous regions of the mainland of China. The status of tooth loss and denture restoration was investigated...
2018: Chinese Journal of Dental Research
https://read.qxmd.com/read/30264040/the-prevalence-and-associated-factors-of-periodontal-disease-among-35-to-44-year-old-chinese-adults-in-the-4th-national-oral-health-survey
#15
Hao Yun Sun, Han Jiang, Min Quan Du, Xing Wang, Xi Ping Feng, De Yu Hu, Huan Cai Lin, Bo Wang, Yan Si, Chun Xiao Wang, Shu Guo Zheng, Xue Nan Liu, Wen Sheng Rong, Wei Jian Wan, Bao Jun Tai
OBJECTIVE: To assess the current periodontal status of 35 to 44-year-olds from the Chinese population and to analyse potential influence factors on periodontal disease. METHODS: The data of subjects were collected from both urban and rural areas of all 31 provinces, autonomous regions and municipalities of the mainland of China, as part of the 4th National Oral Health Survey. All subjects were aged 35 to 44 years old. In total, 4,410 subjects were enrolled in the present study...
2018: Chinese Journal of Dental Research
https://read.qxmd.com/read/30264039/editorial
#16
Xi Ping Feng, Guang Yan Yu
No abstract text is available yet for this article.
2018: Chinese Journal of Dental Research
https://read.qxmd.com/read/30255173/how-root-caries-differs-between-middle-aged-people-and-the-elderly-findings-from-the-4th-national-oral-health-survey-of-china
#17
Yi Bo Gao, Tao Hu, Xue Dong Zhou, Rui Shao, Ran Cheng, Guo Song Wang, Ying Ming Yang, Xue Li, Bo Yuan, Ting Xu, Xing Wang, Xi Ping Feng, Bao Jun Tai, De Yu Hu, Huan Cai Lin, Bo Wang, Yan Si, Chun Xiao Wang, Shu Guo Zheng, Xue Nan Liu, Wen Sheng Rong, Wei Jian Wang, Wei Yin
OBJECTIVE: To investigate the differences in distribution of root caries and related factors between middle-aged and elderly people in China. METHODS: In this cross-sectional study, a multistage, cluster strategy was used to recruit 4,410 participants (2,197 males and 2,213 females) aged 35 to 44 years and 4,431 participants (2,222 males and 2,209 females) aged 65 to 74 years from all 31 provinces, autonomous regions and municipalities of the mainland of China. The survey was conducted according to the basic methods proposed by the World Health Organization (WHO)...
2018: Chinese Journal of Dental Research
https://read.qxmd.com/read/30255172/dental-caries-in-chinese-elderly-people-findings-from-the-4th-national-oral-health-survey
#18
Yi Bo Gao, Tao Hu, Xue Dong Zhou, Rui Shao, Ran Cheng, Guo Song Wang, Ying Ming Yang, Xue Li, Bo Yuan, Ting Xu, Xing Wang, Xi Ping Feng, Bao Jun Tai, De Yu Hu, Huan Cai Lin, Bo Wang, Yan Si, Chun Xiao Wang, Shu Guo Zheng, Xue Nan Liu, Wen Sheng Rong, Wei Jian Wang, Wei Yin
OBJECTIVE: To investigate the dental caries status and related factors in Chinese elderly people, using data from the 4th National Oral Health Survey of China. METHODS: In this cross-sectional study, a multistage, cluster strategy was used to recruit 4,431participants (2,222 male and 2,209 female) aged 65 to 74 years from all 31 provinces, autonomous regions and municipalities of the mainland of China. The survey was performed according to the diagnostic standard proposed by the World Health Organization (WHO)...
2018: Chinese Journal of Dental Research
https://read.qxmd.com/read/30255171/the-prevalence-and-associated-risk-indicators-of-dental-fluorosis-in-china-findings-from-the-4th-national-oral-health-survey
#19
Yan Zhou, Dong Ru Chen, Qing Hui Zhi, Ye Tao, Xing Wang, Xi Ping Feng, Bao Jun Tai, De Yu Hu, Bo Wang, Chun Xiao Wang, Shu Guo Zheng, Xue Nan Liu, Wen Sheng Rong, Wei Jian Wang, Yan Si, Huan Cai Lin
OBJECTIVE: To explore the prevalence and associated risk indicators of dental fluorosis in the mainland of China. METHODS: Data for this study was obtained from the 4th National Oral Health Survey in China, conducted from 2015 to 2016. The sample population was 12-year-old school students. Study participants were selected using a multi-stage, stratified random sample selection procedure using a sampling frame compiled from geographical distribution of China. The level of dental fluorosis was determined using the Dean index recommended by the World Health Organization (WHO)...
2018: Chinese Journal of Dental Research
https://read.qxmd.com/read/30255170/periodontal-status-of-chinese-adolescents-findings-from-the-4th-national-oral-health-survey
#20
Xi Chen, Wei Ye, Jing Yu Zhan, Xing Wang, Bao Jun Tai, De Yu Hu, Huan Cai Lin, Bo Wang, Yan Si, Chun Xiao Wang, Shu Guo Zheng, Xue Nan Liu, Wen Sheng Rong, Wei Jian Wang, Xi Ping Feng
OBJECTIVE: To investigate the periodontal health status and associated factors of adolescents aged 12 to 15 years old in China. METHODS: A cross-sectional national oral health survey was conducted in 2015-2016. The multi-stage stratified cluster sampling was used to select participants in all 31 provinces, autonomous regions and municipalities in the mainland of China. Each participant received a clinical assessment including periodontal bleeding and calculus, and 15-year-old adolescents received additional examinations including for periodontal pocket depth and attachment loss, using the latest criteria from the Oral Health Survey Basic Methods, as recommended by the World Health Organization (WHO)...
2018: Chinese Journal of Dental Research
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