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20 July 2008, Volume 35 Issue 4 Previous Issue    Next Issue

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An epidemiological investigation of car ies in population in Qinghai province HU Yong, LI Zi - kun, GUO Min- hua Inter J Stomatol. 2008, 35 (4):  355-355～357.  Abstract ( 1843 )   HTML ( 5 )   PDF（pc） (27KB) ( 723 )   Save Objective To investigate the caries status of the population of all ages in Qinghai province and as a baseline data of dental incidence, thus to provide scientific basis for the establishment of oral health care. Methods Referring to the guideline for the 3rd National Oral Health Survey, the method of multistage, stratified, equal capacity, simple random sampling was first carried out in population included subjects aged 5, 12, 35- 44 and 65- 74 years in Qinghai province. Results The prevalence rate of deciduous teeth dental caries in 5- yearold children was 71.63% and dmft was 3.30. The prevalence rate of permanent teeth dental caries in 12, 35- 44 and 65- 74 years old people was 22.63%, 64.47% and 73.89% respectively. The mean number of permanent teeth dental caries in 12, 35- 44 and 65- 74 years old was 0.40, 2.06 and 3.08 respectively. The prevalence rate filled rate of teeth in the four groups was 1.85%, 2.53%, 8.00% and 3.47% respectively. Conclusion The result shows that caries situation in Qinghai population is not optimistic, and the filling rate of dental caries is very lower. Therefore, oral health education activities should be strengthened. We must take effective measures to reduce the caries prevalence in Qinghai population and to increase the filled rate of caried teeth. Related Articles | Metrics

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Clinic effect and exper ience on r eplacing teeth of ser ious per iodontal diseas GUI He - ming, WANG Wei - wei, DU Li - juan, HUANG Jie - ying, LEI Gong- yuan, LAN Qian Inter J Stomatol. 2008, 35 (4):  358-358～360.  Abstract ( 1797 )   HTML ( 4 )   PDF（pc） (332KB) ( 1344 )   Save Objective To observe clinic effects on replacing teeth of serious periodontal disease by teeth of auto-transplantation instantly after treating two years. Methods To substitute teeth that suffer from serious periodontal disease for auto- transplantation teeth through guided tissue regeneration technique after basic therapy, clinic effects were observed by investigating periodontal index after therapy 6, 12 months and two years. Results Clinic effects on replacing teeth which suffer from serious periodontal disease by 9 teeth of auto- transplantation were very satisfied excepted for 3 teeth that lost after treating 6, 12 months and two years. Conclusion Teeth with serious periodontal disease can be substituted by the third molar teeth that no functions of auto- transplantation in this clinic study. Related Articles | Metrics

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Study on inhibitory effect of matr ine to human salivary adenoid cystic car cinom ZHAO Jun- fang, LI Feng, LI Xin- ming, WANG Hai- bin, FANG Zheng, LI Qing- chuan Inter J Stomatol. 2008, 35 (4):  361-361～362，368.  Abstract ( 1761 )   HTML ( 3 )   PDF（pc） (109KB) ( 864 )   Save Objective To investigate the effects of matrine on inhibition of cell proliferating in human adenoid cystic carcinoma cell line ACC-M. Methods ACC-M was cultured in vitro by different concentration matrine. Inhibitory effect of proliferation was investigate in light microscope, by the way of MTT and flow cytometry analysis. Results Proliferation of ACC-M cells was inhibited obviously and cell cycle was arrested by treatment of matrine. Conclusion Matrine could obviously inhibit the proliferation of ACC-M cells. One of mechanisms could be cell cycle arrested for inhibition of cell proliferation. Related Articles | Metrics

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Pr ecaution of complication after wisdom tooth extr action by dexamethasone par t XIONG Shao- qin, TIAN Zheng- dong, REN Chao- yang Inter J Stomatol. 2008, 35 (4):  363-363～364.  Abstract ( 1865 )   HTML ( 6 )   PDF（pc） (19KB) ( 1658 )   Save Objective To discuss effective precaution of complication after wisdom tooth extraction. Methods 200 patients were randomly divided into experimental group and control group, 100 patients in each. Patients in experimental group took 1 tablet of morphine half an hour before the extraction and received partially injection of dexamethasone on soft tissue and they had one tablet of morphine every night three days later. Patients in control group received the extraction without special therapy. The effectiveness was determined by the extent of tumidity, irritation and the limitation of opening mouth at 24, 48 and 72 hours after the extraction. Results The complications of the patients in experimental group were less than that of the patients in control group. Conclusion It is effective to reduce the complication of tooth extraction by morphine taken orally and received partially injection of dexamethasone on soft tissue before the extraction. Related Articles | Metrics

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Physical model of the dental car ies WU Na, SUN Jian- xun, ZHOU Xue- dong Inter J Stomatol. 2008, 35 (4):  365-365～368.  Abstract ( 1372 )   HTML ( 5 )   PDF（pc） (166KB) ( 1153 )   Save The means of the physical model is common used in scientific researches. Meanwhile, it has gone through the whole development of the cariology. Physical model of the caries is of general meaning in the etiology, pathology of caries and its affecting factors. In this article, it mainly refers to the artificial caries experiments, the microbial caries studies and the artificial mouth biofilm models, which play the important roles in the researches of the pathogenesis of caries. Related Articles | Metrics

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Endodontic surgery and aesthetics LIU Xiao- bin1, HOU Ben - xiang2 Inter J Stomatol. 2008, 35 (4):  369-369～371.  Abstract ( 1316 )   HTML ( 6 )   PDF（pc） (24KB) ( 1256 )   Save When non- surgery retreatment failed, endodontic surgery is needed to resaved the tooth. While resolved the function of the tooth, endodontic surgery might produce some defects as well. Such as gingival recession, tissue defects, scar formation and so on. All these defects influence the aesthetics of patients, and how to improve them is now highlighted. This article will give an overview on soft tissue management in endodontic surgery. Related Articles | Metrics

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Resear ch advance of exper imental method of microleakage WEI Wei, CHEN Zuo- liang Inter J Stomatol. 2008, 35 (4):  372-372～374.  Abstract ( 1567 )   HTML ( 4 )   PDF（pc） (28KB) ( 819 )   Save Perfect apical sealing is desirable to prevent the remaining bacteria and their endotoxins from reaching the root apex, and to advance the healing of disease of apical. Apical leakage is considered to be a common cause for endodontic therapy failure. Researchers have evaluated the quality of the apical sealing using dye penetration method, fluid filtration or transportation method, bacteria and toxin infiltration method. The various methodologies used for assessing root canal sealing capacity are critically analyzed, as there are not standardized. Related Articles | Metrics

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Advances on sodium hypochlor ite solution used as root canal ir r igation SHI Yan, YANG Jian Inter J Stomatol. 2008, 35 (4):  375-375～378，392.  Abstract ( 2080 )   HTML ( 15 )   PDF（pc） (45KB) ( 4208 )   Save There are many defects in the alternating use of 3% hydrogen peroxide and saline during and after root canal instrumentation here in most of hospital in China. Sodium hypochlorite（NaClO） is widely used abroad in endodontics because of its strong antimicrobial action and tissue solvent activity. However, NaClO is also a tissue irritant and a toxic agent, and rubber dam is not widely used in China which has deterred its use. This paper reviews the research process in aspects of NaClO used as root canal irrigation which could contribute to popularize its domestic clinical application. Related Articles | Metrics

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The r elationship between the single nucleotide polymorphism in gene locus and th AN Zhi- guo1, ZHANG Hao2, DING Yi2 Inter J Stomatol. 2008, 35 (4):  379-379～382.  Abstract ( 1482 )   HTML ( 4 )   PDF（pc） (35KB) ( 1001 )   Save As a new method to investigate the associativity between the mutation in gene locus and the susceptivity of disease, single nucleotide polymorphism（SNP） has been lauched in many fields. This article will summarize a review about the single nucleotide polymorphism in some gene locus and the susceptivity of periodontitis, a host susceptibility disease. Related Articles | Metrics

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Review on the susceptibility and antimicrobial r esistance of per iodontal pathog MIAO Di1, ZHANG Hui2, XU Yi1 Inter J Stomatol. 2008, 35 (4):  383-383～386.  Abstract ( 1534 )   HTML ( 5 )   PDF（pc） (37KB) ( 869 )   Save Antimicrobial therapy has been widely used as adjunct to periodontal treatment in clinical practice, through the way of systemic administration or local delivery. Reasonable selection of antimicrobial agents plays an important role in antimicrobial therapy. In this review, the susceptibility of periodontal pathogenes to antimicrobial agents and antimicrobial resistance as a consequence of antimicrobial therapy will be described. Related Articles | Metrics

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Progr ess of r esear ch on control of dental erosion LI Wen- qing, ZHAO Wei Inter J Stomatol. 2008, 35 (4):  387-387～389.  Abstract ( 1657 )   HTML ( 6 )   PDF（pc） (26KB) ( 1304 )   Save Dental erosion is defined as irreversible loss of dental hard tissue induced mainly by intrinsic and extrinsic acid not involving bacteria. The disease is prevalent among people. There is difficulty in clinical ocntrol of dental erosion which triggers increasing focus on the problem. In this article, we will make a review about the early diagnosis, risk assessment and prevention of dental erosion. Related Articles | Metrics

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Resear ch development of r adix entomolar is in mandibular fir st molar s YU Gang, YE Ling, HUANG Dingming Inter J Stomatol. 2008, 35 (4):  390-390～392.  Abstract ( 1766 )   HTML ( 8 )   PDF（pc） (28KB) ( 967 )   Save Radix entomolaris（RE）is a supernumerary distolingual root of mandibular molars, mainly in mandibular first molars. RE is partly or completely attached to the distal root of mandibular molars. RE is an usually small short root with a hook, which gratly increase the difficulty of root canal treatment for mandibular first molars. An awareness and identification of the RE can contribute to the successful outcome of root canal treatment in mandibular first molars. Recent years, more and more knowledge for RE is known by us, and there is many research about RE. This article is a review about the research of RE in mandibular first molars. Related Articles | Metrics

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Control of polymer ization shr inkage str ess in composite r esin r estor ations< CHEN Ying, ZHOU Lan, YANG Jin - bo Inter J Stomatol. 2008, 35 (4):  393-393～395.  Abstract ( 1548 )   HTML ( 6 )   PDF（pc） (24KB) ( 1146 )   Save Polymerization shrinkage is the primary negative characteristic of light - cured composite resins which used for cavity filling. The stress caused by shrinkage may have adverse clinical consequence such as postoperative sensitivity, micro- leakage, secondary caries. This review is meant to introduce the research progresses on the factors responsible for polymerization shrinkage stress and the methods of decreasing the stress in clinics. Related Articles | Metrics

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Relation between chronic or al inflammatory diseases and cardiovascular diseases< YU Miao, HAO Yu- qing Inter J Stomatol. 2008, 35 (4):  396-396～398.  Abstract ( 1453 )   HTML ( 3 )   PDF（pc） (27KB) ( 733 )   Save The relationship between chronic oral inflammatory diseases and cardiovascular diseases is increasingly concerned. The evidences from the studies of epidemiology, molecular biology and animal experiment manifests that chronic oral inflammatory diseases is one of the risk factor of cardiovascular diseases. This review will briefly summarize the relation between chronic oral inflammatory diseases and cardiovascular diseases, from periodontitis, dental caries and dental pulp diseases. Related Articles | Metrics

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Resear ch progr ess of phosphate- r egulating gene with homologies to endopeptida REN Li- bin, YE Ling, TAN Hong Inter J Stomatol. 2008, 35 (4):  399-399～401，407.  Abstract ( 1292 )   HTML ( 4 )   PDF（pc） (39KB) ( 1366 )   Save Phosphate- regulating gene with homologies to endopeptidase, on the X- chromosome（PHEX） is tightly correlated with renal phosphate homeostasis and bone, dentin mineralization. PHEX mutations could cause morphological abnormality severely of bone and dentin, such as rickets, interglobular dentin, widen predentin and so on. This review summarizes the possible mechanisms of PHEX involving biological mineralization and phosphate metabolic homeostasis. Related Articles | Metrics

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Resear ch progr ess of dental pulp stem cells and its application in tissue engin LIU Lu, LING Jun-qi Inter J Stomatol. 2008, 35 (4):  402-402～404.  Abstract ( 1436 )   HTML ( 6 )   PDF（pc） (28KB) ( 920 )   Save Ongoing investigations suggest dental pulp stem cells（DPSC） are progenitor cell population with high proliferative capacity, self- renewal property and multilineage differentiation potential, which are capable to differentiate into several lineages under specific stimuli and drive tissue repair and regeneration. Therefore, the aim of this study is to summarize the biological characteristics, specific markers of DPSC and its application in tissue engineering. Related Articles | Metrics

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Cytotoxicity of dental mater ials used in endodontic ther apy WANG Li, YIN Shi-hai Inter J Stomatol. 2008, 35 (4):  405-405～407.  Abstract ( 1799 )   HTML ( 7 )   PDF（pc） (31KB) ( 2225 )   Save Biocompatibility of root canal disinfectants and root canal filling materials used in endodontic therapy attracts increasing attention. Cytotoxicity of materials have been successfully used in evaluation of material′s biocompatibility. This is a review about cytotoxicity of root canal irrigants, intracanal medicaments, root canal filling materials, root canal filling materials and perforation repair materials. Related Articles | Metrics

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The role of stromal cell der ived factor - 1 and its r eceptor CXCR4 in the migr GONG Qi- mei, JIANG Hong- wei, LING Jun- qi Inter J Stomatol. 2008, 35 (4):  408-408～410，420.  Abstract ( 1415 )   HTML ( 4 )   PDF（pc） (37KB) ( 1268 )   Save Stromal cell derived factor- 1（SDF- 1）is an important regulator of morphogenesis and chemiotaxis that related to both hematopoietic and non- hematopoietic stem cells. It has been recently shown that SDF- 1 binding to its receptor（CXCR4） is important in mediating the migration/homing of adult stem cells, therefore plays a pivotal role in regeneration and reparation after tissue/organ injury. Research advances of SDF- 1/CXCR4 axis in the migration of adult stem cells may provide a new way to study dental pulp stem cells（DPSC）migration, especially in the bone marrow- derived stem cells. Related Articles | Metrics

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Role of cell - mediated immunity in mur ine r esponses to Candida infection HU Yan1, Camile S. Farah2, Robert B. Ashman2 Inter J Stomatol. 2008, 35 (4):  411-411～413.  Abstract ( 1583 )   HTML ( 3 )   PDF（pc） (27KB) ( 800 )   Save The cell- mediated immune（CMI）response involves a complex series of events after antigens enter the body. First, the antigen must be taken up by macrophages or/and dendritic cells and presented to T cells, which become activated as T- helper（CD4 cells） or cytotoxic T cells（CD8 cells）. CD4 cells are classified into two subgroups: Th1 cells, that secrete predominantly interleukin（IL）- 2 and interferon- γ; and Th2 cells, that secrete predominantly IL- 4, IL- 5, and IL- 10. These cytokine secretion profiles distinguish the so- called Th1 or Th2 responses to antigen stimulation. Th1 responses activate neutrophils and macrophages to a candidacidal activity, whereas Th2 responses tend to inhibit a fungicidal state in Candida infection. There is general consensus that CMI is essential for the protection of mucosal tissues from Candida infection although the function of T cells in systemic candidiasis remains contentious. Related Articles | Metrics

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Progr ess in r esear ch on the pathogenesis of drug- induced gingival overgrowth< HUANG Ya- ling1, LI Sheng2, YANG Ming- hua1 Inter J Stomatol. 2008, 35 (4):  414-414～417.  Abstract ( 1713 )   HTML ( 2 )   PDF（pc） (34KB) ( 1167 )   Save Drug- induced gingival overgrowth（DGO） is the gingival hyperplasia and volume enlargement, a side effect associated with 3 types of drugs: anticonvulsants, calcium channel blockers and immunosuppressive agents. It is characterized by some common pathological features. However, the mechanisms of these disorders have not been elucidated. This review focuses on the progress in research on the pathogenesis of DGO at 3 aspects: disruption of homeostasis of collagen synthesis and degradation, imbalance of proliferation and apoptosis of epithelial cell and subepidermal inflammation. Related Articles | Metrics

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Advances in tissue engineer ing of temporomandibular joint condyle FANG Wei1, LONG Xing 1,2 Inter J Stomatol. 2008, 35 (4):  418-418～420.  Abstract ( 1369 )   HTML ( 2 )   PDF（pc） (29KB) ( 801 )   Save Tissue engineering is a promising way to repair tissue defect. The purpose of this review is to provide a summary of advances relevant to tissue engineering of temporomandibular joint condyle. This review consists of histology of condyle, seed cells, cell culture, scaffold, growth factors and bioreactors. Related Articles | Metrics

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Study progr ess on the biological tr ansition of collagen wir e fr ame in acellul LIU Daofeng, ZUO Jin- hua Inter J Stomatol. 2008, 35 (4):  421-421～423.  Abstract ( 1374 )   HTML ( 2 )   PDF（pc） (28KB) ( 1072 )   Save Acellular dermal matrix is an inartificial biomaterial emerging in recent years, and there are some study reports about its application in neurosurgery, otolaryngology, burns, periodontology, et al. We write this review which emphasize on its architecture and character, biological transition after being grafted and turnover mechanism, in order to provide theoretical proofs for the clinical application of acellular dermal matrix. Related Articles | Metrics

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Advances in r esear ch of the etiology and pathogenesis of fibrous dysplasia of b YANG Rong- tao, LI Zu- bing Inter J Stomatol. 2008, 35 (4):  424-424～426.  Abstract ( 1424 )   HTML ( 2 )   PDF（pc） (28KB) ( 655 )   Save Fibrous dysplasia of bone is a developmental disorder of bone that can present in a monostotic or polyostotic form, the etiology remains unclear. According to read all the available literatures on the subject, this article will review the aetiology and pathogenesis of fibrous dysplasia of bone through gene mutation, interleukine-6 mediation, abormality of chromosomes and morphology, developmental dysfunction of bone, stem cell disease and other. Related Articles | Metrics

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Three- component visible- light photoinitiator system LIN Yi- na，LIU Xiao- qing Inter J Stomatol. 2008, 35 (4):  427-427～.  Abstract ( 1260 )   HTML ( 4 )   PDF（pc） (28KB) ( 1813 )   Save Three- component initiator systems can generate both cations and free- radicals, and initiate monomers to polymerize effectively. The dental materials containing these initiator systems show better initiating efficiency and sufficient degree of monomer conversion under visible light irradiation. These initiator systems have advantages both of cationic initiators and of free - radical intiators. The paper is to especially review the components, the characteristics and the developmental trends of the three- component visible- light photoinitiator system. Related Articles | Metrics

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Implantable drug delivery system of insulin WU Xuan1, MA Wei- dong2, LIU Hong- chen1 Inter J Stomatol. 2008, 35 (4):  430-430～432.  Abstract ( 1488 )   HTML ( 5 )   PDF（pc） (26KB) ( 2136 )   Save Implantable drug delivery system, with the feature of slow release and long work time, is an effective route of administration for insulin comparing with oral and injectable administration. The purpose of the present paper is to review the research progresses in the implantable release drug delivery systems, types and character of implantable delivery systems of insulin and the feasibility of its new routes of administration through dental implant and root canal. Related Articles | Metrics

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Resear ch advances of bone tissue engineer ing in stomatology WANG Shao- yi, JIANG Xin - quan, ZHANG Zhi - yuan Inter J Stomatol. 2008, 35 (4):  433-433～436.  Abstract ( 1663 )   HTML ( 8 )   PDF（pc） (35KB) ( 917 )   Save Repairing of oral maxillofacial bone defects caused by trauma, infection, tumour or congenital malformation remains a big challenge. Tissue engineering technique has become a new approach for repairing bone defects. This article reviews recent applications of bone tissue engineering in stomatology. Related Articles | Metrics

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Development in study of tr anscr iption factor cor r elated to differ entiation o YUAN Ya - di, XIE Hao Inter J Stomatol. 2008, 35 (4):  437-437～439.  Abstract ( 1523 )   HTML ( 2 )   PDF（pc） (26KB) ( 1129 )   Save Scleraxis is one of transcription factors associated with development and differentiation in mesoderm. Since it was first isolated in 1995, the studies of Scleraxis were focused on embryogenesis. Considering the origin of periodontium is mesoderm, the effects of Scleraxis on periodontal ligament are interesting. And it is thought that Scleraxis is one of factors associated with differentiation of periodontal ligament cells. Therefore, this review will show contemporary studies in embryology and cytology of Scleraxis. Related Articles | Metrics

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Mechanism of scar less healing of the fetal cleft lip and palate surgery LUO Kun- liang, HUANG Jian- qi Inter J Stomatol. 2008, 35 (4):  440-440～443.  Abstract ( 1317 )   HTML ( 2 )   PDF（pc） (34KB) ( 1000 )   Save Cleft lip and palate is one of the most common congenital anomalies. The surgery for fetal cleft lip and palate has advantages of scarless healing, non- secondary deformity and inducing craniofacial bone growth regularly. The mechanism of scarless healing of the fetal cleft lip and palate surgery has been always the hot spot in recent years. This article gave an overview of this problem. Related Articles | Metrics

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Advances in immunother apy of tongue squamous cell car cinoma LI Yi- lei, FAN Ming- wen Inter J Stomatol. 2008, 35 (4):  444-444～.  Abstract ( 1332 )   HTML ( 4 )   PDF（pc） (29KB) ( 1223 )   Save With the development of immunologic techniques and molecular biology, biological treatment especially the active immune treatment offers a new way to prevent and to cure SCC of tongue. This article will summarize the research progress of tongue SCC, from the aspects of immune cells, tumor antigen and cytokine. Related Articles | Metrics

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Application of image - guided surgical navigation system in or al and maxillofaci GAO Chao, TANG Wei, TIAN Wei- dong Inter J Stomatol. 2008, 35 (4):  447-447～449.  Abstract ( 1487 )   HTML ( 6 )   PDF（pc） (25KB) ( 1696 )   Save Image- guided surgical navigation system which combines the technique of modern imaging, stereotatics, computer and artificial intelligent, has quickly developed and applied recently at home and abroad. This article reviewed concept, basic principle, development, application in oral and maxillofacial surgery, problems and prospect of image- guided surgical navigation system. Related Articles | Metrics

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Resear ch progr ess of tongue allotr ansplantation ZHANG Tong- han, LIAO Gui- qing Inter J Stomatol. 2008, 35 (4):  450-450～452.  Abstract ( 1355 )   HTML ( 3 )   PDF（pc） (27KB) ( 697 )   Save The severe deformity, coloboma and absence of tongue caused by congenital or postnatal diseases are the common clinical problems. There are so many questions to repair the absence in routine methods at present and the effect is not satisfied. Medical scientists gradually looked forward to the tongue allotransplantation. In this article we reviewed the research progresses about the surgery techniques and immunosuppression of the immunologic rejection of tongue allotransplantation. Related Articles | Metrics

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Diagnostic value of positron emission tomogr aphy and computed tomogr aphy in the XU Bo, LI Long- jiang Inter J Stomatol. 2008, 35 (4):  453-453～455.  Abstract ( 1533 )   HTML ( 3 )   PDF（pc） (30KB) ( 711 )   Save Positron emission tomography and computed tomography（PET- CT） is at present the most advanced method for metabolic imaging, and is capable of obtaining optimal anatomic and functional fusion images in a very short time. In comparison with traditional imaging methods, PET- CT can more precisely localize and assess the cervical lymph node metastases from head and neck malignancy as well as unknown primary tumor, thus increasing the accuracy of diagnosis and staging. This review addressed on the research in diagnostic uses of PET- CT for the cervical lymph node metastases from head and neck malignancy. Related Articles | Metrics

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Resear ch of cyclic adenosine monophosphate signal tr ansduction of cells exposed CHEN Yue, LIANG Xing Inter J Stomatol. 2008, 35 (4):  456-456～457，466.  Abstract ( 1318 )   HTML ( 3 )   PDF（pc） (31KB) ( 1675 )   Save Scientists pay much more attention to the biological effects of extremely low frequency electro magnetic field on cells. This review summarized the mechanism of cyclic adenosine monophosphate（cAMP） signal transduction in receptor, signal pathways and physical function. Related Articles | Metrics

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The effect of poster ior teeth loss for temporomandibular joint HUANG Zhuo- shan, LIN Xue- feng Inter J Stomatol. 2008, 35 (4):  458-458～460.  Abstract ( 1420 )   HTML ( 3 )   PDF（pc） (28KB) ( 1184 )   Save The goal to restore tooth- loss includes denture integrity and functional rehabilitation. In recent years, some authors propose remaining anterior and premolar teeth are enough for function of stomatognathic system. Nevertheless, most authors presumed posterior teeth loss effects not only mastication, speech, outlook, but also the stability of temporomandibular joint. Dentists should make proper therapy according to signs and symptoms. This article reviewed the alteration of condyle, articular disc and blood flow after posterior teeth loss. Related Articles | Metrics

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Differ ent washing agents on root canal dentine adhesive effect YAO Ke, LI Yan Inter J Stomatol. 2008, 35 (4):  461-461～463.  Abstract ( 1155 )   HTML ( 4 )   PDF（pc） (29KB) ( 683 )   Save Due to the improvement of the post- core repairing technology, bonding on the root canal wall becomes a hot issue in recent years. The unique anatomy structure of root canal dentin will make it different to the outer dentin on adhesive effect. Different washing agents used on root canal can clean the dentin wall and make it easer to stick with composite resin. Therefore, the research of adhesive effect under different washing agents reported in this review. Related Articles | Metrics

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Relative factor s of the prognosis of autogenous tooth tr ansplantation CHEN Ting, CHEN Ya- ming Inter J Stomatol. 2008, 35 (4):  464-464～467.  Abstract ( 1448 )   HTML ( 7 )   PDF（pc） (30KB) ( 1733 )   Save Autogenous tooth transplantation or autotransplantation, is the surgical movement of a tooth from one location in the mouth to another in the same individual. Although autotransplantation has not been established as a traditional means of replacing a missing tooth and the success is effected by many factors, many studies clearly demonstrate that autotransplantation of teeth should be considered as a excellent option for treatment of an edentulous space. The aim of this article was to summarize the relative factors of its prognosis. Criteria for success and the indications were also discussed. Related Articles | Metrics

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Advances of the application of tissue engineer ing technology in or al implantolo LIAO Da- peng, GONG Ping Inter J Stomatol. 2008, 35 (4):  467-467～470.  Abstract ( 1361 )   HTML ( 3 )   PDF（pc） (39KB) ( 770 )   Save Oral implantology and tissue engineering are two rapidly advancing subjects. With the crossing development of these two subjects, tissue engineering technology was broadly applied in the field of oral implantology. This article reviewed the advances of the application of tissue engineering technology in the field of oral implantology. Related Articles | Metrics

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Resear ch advances on all- cer amic fixed par tial dentur es GAO Wen- ling, XIA Hai- bin, LI Zhi- yong Inter J Stomatol. 2008, 35 (4):  471-471～473.  Abstract ( 1440 )   HTML ( 7 )   PDF（pc） (27KB) ( 972 )   Save Due to the excellent aesthetic appearance and biocompatibility, all- ceramic materials are used extensively, not only in veneers, inlays, post cores, crowns, but also in fixed partial dentures（FPD） by dentists and patients who desire for metal- free restoration. Owing to limitation of the properties of these materials such as brittleness, flexural strength and fracture toughness, all - ceramic fixed partial dentures are used limitedly in clinic. However, the materials and technology of all- ceramic FPD have developed recently, and the in vitro and clinical study reports increased significantly, which showed all- ceramic FPD had a bright promising application. This article reviewed the research data on three kinds of all- ceramic FPD materials. Related Articles | Metrics

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Resear ch progr ess of cr estal bone absorption of implant and platform switching SUN Ping, GU Zhi - yuan Inter J Stomatol. 2008, 35 (4):  474-474～476.  Abstract ( 1771 )   HTML ( 4 )   PDF（pc） (25KB) ( 969 )   Save The crestal bone loss about 1.5 mm to 2 mm of two- stage implant at 1 year following implant restoration has been used as a reference for evaluating implant success for many years. But the mechanism of crestal bone loss remains unknown. By applying platform switching in implant restoration there appears to be little or no crestal bone loss. This review summarized the research progress of this area. Related Articles | Metrics

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Resear ch progr ess on chincup ther apy in or thodontic pr actice CHENG Min1, CHEN Xiao- bin2, ZOU Shujuan 1 Inter J Stomatol. 2008, 35 (4):  477-477～479.  Abstract ( 1636 )   HTML ( 6 )   PDF（pc） (2451KB) ( 1159 )   Save Chincup therapy, a kind of extra- oral appliance in orthodontic practice, is effective to control functional mandibular protraction, to do orthopaedic treatment of skeletal mandibular protrution and skeletal open bite, and to reduce side- effect of maxillary rapid expansion. So far, there are many studies to search for this appliance on its indication, long- time effectiveness, biomechanic mechanism and so on. The topic was some information of recent research on chincup therapy. Related Articles | Metrics