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Chinese Journal of Dental Research

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https://www.readbyqxmd.com/read/29507914/comparison-of-the-psychological-condition-of-chinese-patients-with-or-without-halitosis-complaints
#1
Jing Wang, Lu He
OBJECTIVE: To investigate the psychological condition of Chinese patients with or without a primary complaint of halitosis. METHODS: The psychological condition of 196 Chinese patients who visited the Department of Periodontics was evaluated using the Cornell Medical Index (CMI) health questionnaire. The breath malodour of all patients was scored using the organoleptic test (OLT). RESULTS: More than half of patients (53.1%) complaining of halitosis actually demonstrated pseudo-halitosis...
2018: Chinese Journal of Dental Research
https://www.readbyqxmd.com/read/29507913/magnetic-resonance-sialography-and-salivary-gland-scintigraphy-of-parotid-glands-in-sj%C3%A3-gren-s-syndrome
#2
Ichiro Ogura, Yoshihiko Sasaki, Takaaki Oda, Mikiko Sue, Kazuhide Hayama
OBJECTIVE: To assess the correlation between conventional magnetic resonance (MR) imaging and MR sialography of parotid glands with salivary gland scintigraphy in patients with Sjögren's syndrome. METHODS: A retrospective study was conducted on eight patients with Sjögren's syndrome who underwent MR imaging and salivary gland scintigraphy. Conventional MR imaging techniques, such as T1-weighted images (T1WI), T2-weighted images (T2WI), and short TI inversion recovery images (STIR) were used for changes of fat signal in the parotid gland, while the MR sialography were used for ducts dilation of the parotid gland...
2018: Chinese Journal of Dental Research
https://www.readbyqxmd.com/read/29507912/optimal-matrix-preparation-methods-for-matrix-assisted-laser-desorption-ionisation-time-of-flight-mass-spectrometry-profiling-of-low-molecular-weight-peptides-in-human-saliva-and-serum-samples
#3
Lu Gao, Yan Gu, Feng Chen, Qing Wei Ma
OBJECTIVE: To develop standard experimental methods to minimise technical variance in matrix preparation for MALDI-TOF MS (matrix-assisted laser desorption/ionisation time-offlight) profiling. METHODS: Matrix factors in saliva and serum samples of 20 healthy volunteers were examined, assuring their peptide components using seven different matrix type/preparation methods, HCCA(a-cyano-4-hydroxycinnamic acid)/SM(sample/matrix), SA(sinapinic acid)/DD(dried droplet), SA/SM, DHB(2...
2018: Chinese Journal of Dental Research
https://www.readbyqxmd.com/read/29507911/magnetic-bead-based-salivary-peptidome-profiling-for-accelerated-osteogenic-orthodontic-treatments
#4
Jia Qi Wu, Jiu Hui Jiang, Li Xu, Cheng Liang, Xiu Jing Wang, Yunyang Bai
OBJECTIVE: To identify a panel of differentially expressed candidate biomarkers for patients undergoing accelerated osteogenic orthodontics (AOO). METHODS: This study included 36 saliva samples taken from six Class III surgical patients at six time points: the date before the corticotomy procedure (T1) and at 1 week, 2 weeks, 1 month, 2 months and 6 months after the procedure (T2, T3, T4, T5 and T6, respectively). After the maxillary dental arch was aligned and levelled, AOO procedures were performed in the maxillary alveolar bone...
2018: Chinese Journal of Dental Research
https://www.readbyqxmd.com/read/29507910/sonic-hedgehog-signalling-activation-contributes-to-alcam-over-expression-and-poor-clinical-outcome-in-patients-with-oral-squamous-cell-carcinoma
#5
Gang Chen, Ming Yan, Rong Rong Li, Wan Tao Chen
OBJECTIVE: To investigate the Sonic Hedgehog (SHH) signalling molecules and activated leukocyte cell adhesion molecule (ALCAM) expression in the mechanisms regulating invasion and metastasis in oral squamous cell carcinoma (OSCC). METHODS: The expressions of SHH signalling molecules Gli family zinc finger 1/2 (Gli1/Gli2), as well as ALCAM expression, was analysed in 101 OSCC patients by immunohistochemistry. The potential relationship between Gli1/Gli2 and ALCAM in regard to invasion and metastasis were studied by western blot, invasion and wound-healing assays...
2018: Chinese Journal of Dental Research
https://www.readbyqxmd.com/read/29507909/utilisation-of-a-bioreactor-for-culture-and-expansion-of-epithelial-cells-without-the-use-of-trypsin-or-enzymes
#6
Atsuko Miyazawa, James Washington, Eve L Bingham, Shiuhyang Kuo, Stephen E Feinberg
OBJECTIVE: To develop a bioreactor for automated culture, maintenance, and collection of normal human keratinocytes using an enzyme-free propagation method. METHODS: The culture of normal human epithelial keratinocytes was compared in two culture methods - a study team-developed automated bioreactor utilising an enzyme-free passage method, and a manual culture method. Cell size, glucose utilisation, and the proliferative capacity of the two cultures were evaluated...
2018: Chinese Journal of Dental Research
https://www.readbyqxmd.com/read/29507908/understanding-of-burning-mouth-syndrome-based-on-psychological-aspects
#7
Moon-Jong Kim, Hong-Seop Kho
Burning mouth syndrome (BMS) is a chronic pain condition characterised by a persistent burning sensation in clinically normal oral mucosa. BMS most commonly occurs in middleaged and elderly women. Various local and systemic factors can cause oral burning symptoms. When all possible local and systemic factors are excluded, burning mouth symptoms can be diagnosed as BMS. Psychophysical tests and histopathological data suggest the involvement of peripheral and central neuropathic mechanisms in BMS etiopathogenesis...
2018: Chinese Journal of Dental Research
https://www.readbyqxmd.com/read/29507907/editorial
#8
Guangyan Yu
No abstract text is available yet for this article.
2018: Chinese Journal of Dental Research
https://www.readbyqxmd.com/read/29181461/platelet-rich-fibrin-with-bone-grafts-for-regeneration-of-bony-defect-following-extraction-of-supernumerary-teeth-a-case-report
#9
Balamanikandasrinivasan Chandrasekaran, Nanditha Suresh, Senthilkumar Muthusamy
Supernumerary teeth are hyperdontic variants due to abnormalities during tooth development. Here, we report a case on regeneration of bony defect, which ensued following extraction of two supernumerary teeth in the mandibular premolar region, using a combination of bone grafts and platelet-rich fibrin. To the best of our knowledge, it is the first time synergistic use of biomaterials with bone grafts have been used for this type of management.
2017: Chinese Journal of Dental Research
https://www.readbyqxmd.com/read/29181460/electrode-placing-sites-affect-pulp-vitality-test-of-human-incisors-and-premolars
#10
Shi Yu Tian, Lin Tang, Chun Yan Zheng
OBJECTIVE: To investigate electric pulp test thresholds at different sites on healthy incisors and premolars and determine appropriate test sites. METHODS: Overall, 47 volunteers aged 20 to 30 years were recruited, and 163 incisors and 140 premolars were tested at several sites with an Electric Pulp Tester. One-way analysis of variance and a Tukey test were used to analyse the threshold values among different tooth types and sites. RESULTS: The lowest threshold value for incisors was identified on the incisal edge...
2017: Chinese Journal of Dental Research
https://www.readbyqxmd.com/read/29181459/gallium-67-scintigraphy-in-differential-diagnosis-of-malignant-tumours-from-non-tumorous-lesions-of-the-maxilla
#11
Ichiro Ogura, Takaaki Oda, Mikiko Sue, Yoshihiko Sasaki, Kazuhide Hayama
OBJECTIVE: To assess the gallium-67 (67Ga) scintigraphy in differential diagnosis of malignant tumours from non-tumorous lesions of the maxilla. METHODS: Nineteen patients with malignant tumours (six cases of squamous cell carcinoma and one case of malignant melanoma) and non-tumorous lesions (seven cases of maxillary sinusitis and five cases of postoperative maxillary changes) in the maxilla underwent 67Ga and bone scintigraphy with CT and MRI. The statistical analysis with respect to comparison between imaging features of 67Ga and bone scintigraphy and maxillary lesions was performed with the Pearson's chi-squared test...
2017: Chinese Journal of Dental Research
https://www.readbyqxmd.com/read/29181458/minimally-invasive-crestal-sinus-lift-technique-and-simultaneous-implant-placement
#12
Xian Zhou, Xiu Lian Hu, Jian Hui Li, Ye Lin
OBJECTIVE: To evaluate the effectiveness and clinical results of a new crestal sinus lift technique used to elevate the sinus floor simultaneously with bone grafts and implant placement. METHODS: Eleven patients underwent this crestal sinus lift technique performed using an SCA KIT. The mean residual bone height was 6.4 mm (range: 4.1 mm to 8.6 mm). Bio-Oss collagen was used as the graft material, and 12 implants were simultaneously placed after sinus augmentation...
2017: Chinese Journal of Dental Research
https://www.readbyqxmd.com/read/29181457/comparison-of-real-time-quantitative-pcr-with-a-chairside-test-for-streptococcus-mutans-assessment
#13
COMPARATIVE STUDY
Yihong Li, Prakaimuk Saraithong, Zhou Chen, Erica Leung, Komkham Pattanaporn, Ananda Dasanayake
OBJECTIVE: To compare two methods for Streptococcus mutans detection and quantification in the human oral cavity: a chairside commercial test and a molecular-based real-time quantitative polymerase chain reaction (qPCR) method. METHODS: A total of 688 whole saliva samples were collected from 344 children aged 3 and 5 and their biological mothers. Caries status was examined using a World Health Organisation survey method. S. mutans levels were measured using the Dentocult SM Strip mutans test and scored as colony forming units per millilitre of saliva...
2017: Chinese Journal of Dental Research
https://www.readbyqxmd.com/read/29181456/a-review-of-excessive-sugar-metabolism-on-oral-and-general-health
#14
REVIEW
Kai Foo Chow
Stomatologists and dental practitioners, as they are called in different parts of the world according to tradition and history, are basically physicians who specialise in the study and treatment of diseases of the mouth and surrounding structures. They have always been outstanding in advocating the reduction of sugar consumption, mainly due to its direct connection to the pathogenesis of dental caries. Increasingly, it has come to the attention of researchers, epidemiologists and many healthcare workers and professionals that excessive consumption of sugar is also closely tied to the increase in tandem of our current major health issues like obesity, diabetes, heart, liver and kidney disease, and a host of other associated ailments...
2017: Chinese Journal of Dental Research
https://www.readbyqxmd.com/read/29181455/the-new-definition-of-oral-health-and-relationship-between-oral-health-and-quality-of-life
#15
REVIEW
Patrick Hescot
FDI World Dental Federation, which has 200 dental association members in some 130 countries, is the official representative body and voice of more than 1 million clinicians worldwide. It set itself the task of creating a new definition for oral health as a baseline to develop tools to measure oral health and related indicators. The definition allows FDI to position oral health within the global health agenda in areas such as quality of life and wellbeing and the challenge of an ageing population worldwide. Furthermore, it provides an impetus for FDI activities in favour of worldwide periodontal health...
2017: Chinese Journal of Dental Research
https://www.readbyqxmd.com/read/28808702/virtual-simulation-teaching-centre-in-dental-education-a-report-from-fujian-medical-university-china
#16
Hao Yu, Chang Yuan Zhang, Si Hui Zhang, Hui Cheng, Jiang Chen
This report gives a brief introduction to the Virtual Simulation Teaching Centre of Fujian Medical University School of Stomatology (VSFMUSS), China. As one of the best dental simulation laboratories in China, the VSFMUSS aims to train dental students and clinicians to be professionals who are able to provide optimal oral health care by giving them the best virtual patient care experience possible in a nonclinical setting. The features, achievements and future directions of the VSFMUSS are addressed. Moreover, the role of the VSFMUSS was evaluated and discussed based on the students' and faculties' perceptions, rate of employment after graduation, and so on...
2017: Chinese Journal of Dental Research
https://www.readbyqxmd.com/read/28808701/osteosarcoma-of-the-mandible-a-case-report-with-ct-mri-and-scintigraphy
#17
Mikiko Sue, Takaaki Oda, Yoshihiko Sasaki, Ayako Kameta, Yasuo Okada, Ichiro Ogura
Osteosarcomas are especially rare in the mandible and maxilla, representing 1.6% of all bony malignant tumours. In this article, we described a case of osteosarcoma of the mandible. Computed tomography (CT) image showed a well-circumscribed homogeneous mass, with nonhomogeneous contrast enhancement. T1-weighted magnetic resonance imaging (MR) image showed intermediate signal intensity on, and after administration the lesion showed signal intensity lower than muscle. T2-weighted MR image showed heterogeneous high signal intensity...
2017: Chinese Journal of Dental Research
https://www.readbyqxmd.com/read/28808700/effect-of-chlorhexidine-and-ethanol-on-microleakage-of-composite-resin-restoration-to-dentine
#18
Iman Ramezanian Nik, Ehsan Baradaran Naseri, Sara Majidinia, Sara Ramezanian Nik, Mohammad Jafari Giv
OBJECTIVE: To evaluate the effect of chlorhexidine and ethanol on microleakage of composite resin restoration to dentine. METHODS: Class II cavities with dentinal margin were prepared on 96 premolar teeth. All specimens were acid-etched, rinsed and dried. Then the samples were randomly divided into four groups according to pre-treatment of the dentine: no treatment (control group); treatment with 100% ethanol for 60 s (group 2); treatment with 2% chlorhexidine for 60 s (group 3); 100% ethanol for 60 s and then 2% chlorhexidine for 60 s (group 4)...
2017: Chinese Journal of Dental Research
https://www.readbyqxmd.com/read/28808699/association-between-edar-polymorphisms-and-non-syndromic-tooth-agenesis-in-the-chinese-han-population
#19
Yi Ting Chen, Hao Chen Liu, Dong Han, Yang Liu, Hai Lan Feng
OBJECTIVE: To explore the relationship between single nuclear polymorphisms (SNPs) in ectodysplasin A receptor (EDAR) and EDAR-associated death domain (EDARADD) genes and non-syndromic tooth agenesis. METHODS: Ten putative SNPs in EDAR and EDARADD were selected, and a case-control study was conducted in 112 subjects with non-syndromic tooth agenesis and 112 normal control subjects. DNA was obtained from peripheral blood samples. Genotyping was performed by Sanger sequencing...
2017: Chinese Journal of Dental Research
https://www.readbyqxmd.com/read/28808698/subgingival-microbiome-of-gingivitis-in-chinese-undergraduates
#20
Ke Deng, Xiang Ying Ouyang, Yi Chu, Qian Zhang
OBJECTIVE: To analyse the microbiome composition of health and gingivitis in Chinese undergraduates with high-throughput sequencing. METHODS: Sequencing of 16S rRNA gene amplicons was performed with the MiSeq system to compare subgingival bacterial communities from 54 subjects with gingivitis and 12 periodontally healthy controls. RESULTS: A total of 1,967,372 sequences representing 14 phyla, 104 genera, and 96 species were detected. Analysis of similarities (Anosim) test and Principal Component Analysis (PCA) showed significantly different community profiles between the health control and the subjects with gingivitis...
2017: Chinese Journal of Dental Research
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