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Shanghai Journal of Stomatology    2008, 17 (4): 420-424.   Abstract （255）      PDF （932KB）（28668）       Knowledge map    Related Articles | Metrics

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Shanghai Journal of Stomatology    2013, 22 (2): 156-159.   Abstract （181）      PDF （524KB）（3352）       Knowledge map    Related Articles | Metrics

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Shanghai Journal of Stomatology    2008, 17 (6): 648-651.   Abstract （231）      PDF （652KB）（3323）       Knowledge map    Related Articles | Metrics

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Shanghai Journal of Stomatology    2004, 13 (3): 198-200.   Abstract （305）      PDF （517KB）（3158）       Knowledge map    Related Articles | Metrics

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Shanghai Journal of Stomatology    2008, 17 (4): 380-392.   Abstract （126）      PDF （547KB）（2998）       Knowledge map    Related Articles | Metrics

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Shanghai Journal of Stomatology    2009, 18 (6): 661-664.   Abstract （229）      PDF （752KB）（2582）       Knowledge map    Related Articles | Metrics

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Shanghai Journal of Stomatology    2011, 20 (5): 454-458.   Abstract （126）      PDF （764KB）（1595）       Knowledge map    Related Articles | Metrics

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Shanghai Journal of Stomatology    2009, 18 (1): 44-47.   Abstract （205）      PDF （756KB）（1476）       Knowledge map    Related Articles | Metrics

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Experts consensus on diagnostic and therapeutic strategies for malocclusions at early developing stage FANG Bing, JIN Zuo-lin, BAI Yu-xing, WANG Lin, ZHAO Zhi-he, LI Wei-ran, BAI Ding, HE Hong, LIU Yue-hua, HU Min, SONG Jin-lin, CHEN Li-li, CAO Yang, WU Ting-xi, LI Song, LI Huang, SHI Jie-jun, CHU Feng-ting Shanghai Journal of Stomatology    2021, 30 (5): 449-455.   DOI: 10.19439/j.sjos.2021.05.001 Abstract （852）      PDF （861KB）（1296）       Knowledge map    Early orthodontic intervention remains a controversial notion in current dental care regime. Whilst early orthodontic treatment for children is the province for orthodontic specialists, a growing number of general practitioners, who may not possess sufficient specialty knowledge, are also involved, raising the concerns about the propriety and quality of their treatment modalities. However, orofacial development of children and adolescents is in a very complicated environment. Comprehensive theoretical knowledge and a great wealth of practical experience are required to ensure the final treatment effect. The possible complications should be kept under control and fully informed to patients and their parents. In order to unify and standardize early orthodontic treatment protocol and help to promote healthy and orderly development of early orthodontic treatment, this consensus summarized the practical experience of orthodontic experts from many famous colleges and affiliated hospitals for clinical reference. Reference | Related Articles | Metrics

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Classification for mandibular deviation and facial asymmetry and its clinical significance SHEN Gang Shanghai Journal of Stomatology    2021, 30 (1): 1-6.   DOI: 10.19439/j.sjos.2021.01.001 Abstract （1380）      PDF （4956KB）（1089）       Knowledge map    Judged from the clinical manifestations, etiological mechanisms and jaw morphological structures, malocclusions with mandibular deviation and facial asymmetry are classified into three main categories, i.e., those with mandibular positioning factors, those with mandibular condyle defects, and those with jaw congenital deformities. In the first category, three subtypes, including mandibular rotation caused by dentitional irregularities, by dental compensation and by habitual posturing, are further defined. In the second category, mandibular deviation caused by condylar asymmetrical resorption or hyperplasia are defined as the two subtypes. The third category is further divided into two subtypes, i.e., jaw and facial asymmetry resulting from maxillary or mandibular structural deformities. The prime goal of orthodontic therapy is to displace and restore the deviated mandible to its right position, followed by correction of occlusal intercuspation. As an important procedure of the whole treatment protocol, It is critical to detect and localize the correct mandibular position by manipulation and then register it by wax pattern and articulator transferring. For the cases with mandibular functional elements and condylar asymmetrical length, the treatment modalities include orthopedic repositioning of the mandible by using occlusal and bite plane, SGTB and SGHB therapies; for cases with growth and developmental anomalies, orthognathic intervention should be an optimal solution. Reference | Related Articles | Metrics

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The effects of psychological nursing on anxiety of patients in the procedure of impacted teeth extraction TANG Yi-qun,WAN Peng-bo,QU Dong-lin Shanghai Journal of Stomatology    2015, 24 (3): 367-369.   Abstract （384）   HTML （8）    PDF （455KB）（1085）       Knowledge map    PURPOSE: To investigate the effects of psychological nursing on anxiety of patients during extraction of impacted teeth. METHODS: Seventy patients who required impacted tooth extraction were randomly divided into intervention group (n=35) and control group (n=35). In the intervention group, psychological nursing was performed by special nurses before,during and after the surgical procedure; In the control group, patients were informed the general knowledge of the routine treatment and care. Anxiety was evaluate with anxiety scale at the end of surgical procedure. The data was analyzed with SPSS 13.0 software package for χ2 test. RESULTS: The number of patients with anxiety in the intervention group was significantly reduced compared with the control. The difference was statistically significant (P<0.05). CONCLUSIONS: Psychological nursing assists to relieve anxiety of patients during impacted teeth removal. Reference | Related Articles | Metrics

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Comparison of root resorption between self-ligating and conventional brackets using cone-beam CT LIU Yun,GUO Hong-ming Shanghai Journal of Stomatology    2016, 25 (2): 238-241.   Abstract （384）   HTML （5）    PDF （872KB）（1083）       Knowledge map    PURPOSE: To analyze the differences of root resorption between passive self-ligating and conventional brackets, and to determine the relationship between passive self-ligating brackets and root resorption. METHODS: Fifty patients were randomly divided into 2 groups using passive self-ligating brackets or conventional straight wire brackets (0.022 system), respectively. Cone-beam CT was taken before and after treatment. The amount of external apical root resorption of maxillary incisors was measured on CBCT images. Student's t test was performed to analyze the differences of root apical resorption between the 2 groups with SPSS17.0 software package. RESULTS: No significant difference(P> 0.05) in root resorption of maxillary incisors was found between passive self-ligating brackets and conventional brackets. CONCLUSIONS: Passive self-ligating brackets and conventional brackets can cause root resorption, but the difference was not significant. Passive self-ligating brackets do not induce more root resorption. Reference | Related Articles | Metrics Cited: Baidu(9)

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Shanghai Journal of Stomatology    2007, 16 (3): 236-238.   Abstract （463）      PDF （606KB）（1053）       Knowledge map    Related Articles | Metrics

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Shanghai Journal of Stomatology    2003, 12 (4): 260-262.   Abstract （331）      PDF （647KB）（1041）       Knowledge map    Related Articles | Metrics

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Cytotoxicity of a novel endodontic treatment material iRoot BP Plus to human gingival fibroblasts SHI Shuang1, BAO Zhi-fan1, 2, CHEN Xu1, 2, ZHANG Dan-dan1 Shanghai Journal of Stomatology    2014, 23 (6): 681-684.   Abstract （489）   HTML （4）    PDF （490KB）（1016）       Knowledge map    PURPOSE: To compare the cytotoxicity of a novel endodontic treatment material iRoot BP Plus and mineral trioxide aggregate (MTA) to human gingival fibroblasts in vitro. METHODS: Cultured human gingival fibroblasts were exposed to multiple concentrations of material elutes (no dilution, 1:2 dilution, and 1:5 dilution). The test material samples were immersed and incubated in the culture medium for 1, 3 or 7 days at 37℃. The proliferation rate was evaluated using methylthiazol tetrazolium (MTT) assay. Cell relative growth rates were presented as . The data was statistically analyzed by factorial design ANOVA using SPSS 20.0 software package. RESULTS: Cell relative growth rates of the eluates of iRoot BP Plus and MTA in different concentrations ranged from 77.31% to 113.82%. The cytotoxicity grade of both materials was 0 or 1 (no cytotoxicity). There was no significant difference in the relative growth rate in different concentrations of iRoot BP plus and MTA eluates under different elution times (Fconcentration*time*material=1.393, P=0.256). CONCLUSIONS: Both iRoot BP Plus and MTA exhibit minimal level of cytotoxicity. Reference | Related Articles | Metrics Cited: Baidu(2)

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Experimental evaluation of the spraying disinfection efficiency on dental models ZHANG Yi, FU Yuan-fei, XU Kan Shanghai Journal of Stomatology    2013, 22 (4): 399-401.   Abstract （425）      PDF （419KB）（995）       Knowledge map    PURPOSE: To evaluate the disinfect effect after spraying a new kind of disinfectant on the dental plaster models. METHODS: The germ-free plaster samples, which were smeared with bacteria compound including Staphylococcus aureus, Escherichia coli, Saccharomyces albicans, Streptococcus mutans and Actinomyces viscosus were sprayed with disinfectants (CaviCide) and glutaraldehyde individually. In one group(5 minutes later) and another group(15 minutes later), the colonies were counted for statistical analysis after sampling, inoculating, and culturing which were used for evaluation of disinfecting efficiency. ANOVA was performed using SPSS12.0 software package. RESULTS: All sample bacteria were eradicated after spraying disinfectants(CaviCide) within 5 minutes and effective bacteria control was retained after 15 minutes. There was significant difference between the disinfecting efficiency of CaviCide and glutaraldehyde. CONCLUSIONS: The effect of disinfection with spraying disinfectants (CaviCide) on dental models is quick and effective. Reference | Related Articles | Metrics Cited: Baidu(2)

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Expression of HIF-1α in the genioglossus associated with induced bilateral intermittent nasal obstruction in young rats LIU Jiong, CHEN Jin-dong, NIE Ping, SHENG Xiao, ZHAO Yan-hui, XU Xiao-long, TAO Li, ZHU Min Shanghai Journal of Stomatology    2014, 23 (2): 138-142.   Abstract （217）   HTML （2）    PDF （981KB）（994）       Knowledge map    PURPOSE: To investigate the expression of HIF-1α in the genioglossus associated with induced bilateral intermittent nasal obstruction in young rats. METHODS: Thirty 4-week-old SD rats were employed and equally divided into 3 groups. In group A, both nostrils were occluded by nose plugs. In group B, the right nostril was occluded. In group C, no obstruction of the nose was performed as control group. The obstruction time was from 8 am to 12 am everyday, and the period was 21 d and 55 d. The genioglossus was taken for HE, and immunohistochemical staining was used to detect the expression of HIF-1α. The data was analyzed with SPSS 13.0 software package. RESULTS: The rats were sacrificed at the 21th day and 55th day, respectively. The expression of HIF-1α in group A was significantly higher than that in group B and group C, and became stronger with the increasing of obstruction time. CONCLUSIONS: Oral breathing caused by bilateral intermittent nasal obstruction in young rats results in overexpression of HIF-1α in the genioglossus. Reference | Related Articles | Metrics Cited: Baidu(1)

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Shanghai Journal of Stomatology    2011, 20 (2): 213-216.   Abstract （107）      PDF （864KB）（982）       Knowledge map    Related Articles | Metrics

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A study on the thickness of buccal bone in the mandible of different vertical facial type in adults using cone-beam CT GU Yong-jia,LU Sheng-nan,XIA Wen-qian,ZHANG Ting,SHI Hui,GAO Mei-qin Shanghai Journal of Stomatology    2015, 24 (3): 335-337.   Abstract （502）   HTML （2）    PDF （431KB）（978）       Knowledge map    PURPOSE: To provide some references of using micro-implant anchorage in clinical orthodontic treatment, the thickness of buccal bone of mandible of different vertical facial type in adults with cone-beam CT(CBCT) were measured. METHODS: Initial 3-dimensional images of 45 adult patients (15 men, 30 women)were reoriented by using a standardized protocol, and divided into 3 groups by angle of mandibular plane (G1: high angle,15 patients; G2: average angle, 15 patients; G3: low angle, 15 patients). After signing the informed consent form, three measurement points were defined at 4, 6, and 8mm from the alveolar crest in each measurement area. Statistical analysis was performed with SPSS11.0 software package. RESULTS: The thickness of buccal bone in mandible was thinner in G1 than in G2, and was thinnest in G3. The cortical bone thickness was thickest at the 8 mm level and thinnest at the 4mm level. CONCLUSIONS: The study suggested that the cortical bone thickness at 4mm level from the alveolar crest was safe for implantation. It is more stable when the distance of implants was more away from the alveolar crest. Patients with low mandibular plane angle should use self-tapping micro-implant anchorage. Reference | Related Articles | Metrics Cited: Baidu(1)

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Shanghai Journal of Stomatology    1995, 4 (3): 125-128.   Abstract （384）      PDF （2519KB）（969）       Knowledge map    Related Articles | Metrics