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20 March 2007, Volume 34 Issue 02 Previous Issue    Next Issue

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47, XXX Syndrome and Its Genetic Counseling Methods PAN Si- su1, LI Wei2. Inter J Stomatol. 2007, 34 (02):  77-80.  Abstract ( 2906 )   HTML ( 27 )   PDF（pc） (35KB) ( 3723 )   Save The cause and the phenotypes of 47, XXX syndrome are discussed. XXX syndrome majorly derives from the maternal nondisjunctional errors during meiosis I or II, while 46, XX/47, XXX mosaic are caused by the nondisjunctional errors in zygotic mitosis during early embryonic development. Unlike other sex chromosome aneuploidy, there are no characteristic physical features for triple X patients. They are always female, usually taller than average in height, normal or delayed intelligent development, mostly fertile with no specific medical problems. 47, XXX syndrome is suggested to be associated with various diseases, but no significant evidence has shown the correlation between them. Genetic counseling is usually given to the 47, XXX patients and their parents concerning about the potential developmental and medical risks of this syndrome. Related Articles | Metrics

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Cur r ent Molecular Technologies for Char acter izing Or al Microbial Ecology CHU Min， LIANG Jing - ping. Inter J Stomatol. 2007, 34 (02):  81-83.  Abstract ( 1094 )   HTML ( 5 )   PDF（pc） (26KB) ( 838 )   Save Bacteria have been recognized to play the primary etiological role in the development of some oral diseases. The advances in molecular technologies have extended the data about the characteristics of oral microorganisms and the role of suspected pathogens in the diseases. This paper intended to review the fundamental principle of the main molecular methods that have been used in the study of oral microbial ecology. Moreover, advantages and limitations of current molecular techniques are also discussed. Related Articles | Metrics

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New Resear ch of the Relationship between Diabetes and Car ies ZHOU Rong- jing, WU Hong- kun, ZHOU Xuedong. Inter J Stomatol. 2007, 34 (02):  84-86.  Abstract ( 1303 )   HTML ( 6 )   PDF（pc） (26KB) ( 1383 )   Save Diabetes, characterized with hyperglycemia, may lead to many complications, such as ketoacidosis, hypertension, atherosclerosis, eye diseases, diabetic nephropathy. Diabetes is one of the factors which are responsible for periodontal disease, and this opinion has been approved by many researchers. However, there is still dissension when it comes to the relationship between diabetes and caries. Majority of researchers consider that diabetes may lead to high caries prevalence, but there is still opposite point. In our article, we expatiated the new development about the relationship between diabetes and caries. Related Articles | Metrics

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Molecular Biology Basis of Maintaining Per iodontal Ligament Structur e and Functional Homeostasis WU Li-ping, LING Jun-qi. Inter J Stomatol. 2007, 34 (02):  87-89.  Abstract ( 1313 )   HTML ( 6 )   PDF（pc） (27KB) ( 1304 )   Save Periodontal ligament contain multipotent stem cells which can differentiate into osteoblasts/cementoblasts, and responsible for remoldeling, trauma repair and regeneration of periodontal tissue. In the mean time, periodontal ligament have a capacity to inhibit mineralization, maintain structure and functional homeostasis. We summarized the differentiation capability of periodontal ligament cells and molecular biology basis of maintaining periodontal ligament structure and functional homeostasis. Related Articles | Metrics

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Research Advance of Porphyromonas gingivalis and Toll- like Receptors SUN Ying, SHU Rong. Inter J Stomatol. 2007, 34 (02):  90-93.  Abstract ( 1208 )   HTML ( 5 )   PDF（pc） (37KB) ( 1439 )   Save Porphyromonas gingivalis is one of the periodontal pathogens, and can produce a lot of bacterial components. Toll- like receptors is a kind of trans- membrane protein which can recognize many pathogen associated molecular patterns, and is very important in innate immunity. This article will review the lasted researches on the relationship of Porphyromonas gingivalis and Toll- like receptors. Related Articles | Metrics

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Resear ch Development of the Relationship between Actinobacillus actinomycetemcomitans and Apoptosis in Periodontitis ZHANG Di- ya, LI Sheng- lai，CHEN Li- li. Inter J Stomatol. 2007, 34 (02):  94-96.  Abstract ( 1531 )   HTML ( 5 )   PDF（pc） (39KB) ( 1318 )   Save Periodontitis is a common and frequently encountered disease. However, its mechanism is remain unclear. Apoptosis is triggered by special signaling molecules and is a highly regulated form of programmed cell death under control of genes. A larger number of studies approve that apoptosis plays an important role in the progress of periodontitis. Actinobacillus actinomycetemcomitans, one of the main pathogenic bacteria of periodontitis produces several virluence factors. The relationship between virluence factors of Actinobacillus actinomycetemcomitans and apoptosis, Actinobacillus actinomycetemcomitans and a variety of cells in periodontal tissue was reviewed. Related Articles | Metrics

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Periodontal Regener ation by Gene Ther apy DING Pei- hui, CHEN Li- li. Inter J Stomatol. 2007, 34 (02):  97-99.  Abstract ( 1365 )   HTML ( 5 )   PDF（pc） (28KB) ( 1238 )   Save Safe, effective approaches for periodontal regeneration are the focus of scientists research around the periodontal area. Unfortunately, the science of periodontal regeneration is still in its infancy, with all current or emerging therapies having serious limitations. It is believed that the future advances in periodontal regeneration will likely incorporate therapies that mimic critical aspects of natural bone formation processes, using the tool of gene therapy and tissue engineering. This review will summarize current knowledge of gene therapy approaches for periodontal regeneration. Related Articles | Metrics

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Research Progress of Human Immunodeficiency Virus Infection/Acquir ed Immunodeficiency Syndrome-related Oral Diseases LIU Yi，WU Hong- kun, ZHOU Xue- dong. Inter J Stomatol. 2007, 34 (02):  100-103.  Abstract ( 1407 )   HTML ( 8 )   PDF（pc） (36KB) ( 2258 )   Save Acquired immunodeficiency syndrome （AIDS） performance on oral cavity is one of the most important reference to diagnose AIDS. The majority of human immunodeficiency virus（HIV）- infected patients have symptoms in oral cavity, however, these symptoms are often ignored. Currently, the main oral infectious diseases related with HIV infection include oral mucosal disease, periodontal disease, salivary gland disease and caries. In this paper, research progress of HIV- infected/AIDS- related oral disease will be summarize. Related Articles | Metrics

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Study of the Relationship between Condyle Position and Temporomandibular Joint Disc Li- juan, LI Jian. Inter J Stomatol. 2007, 34 (02):  104-106.  Abstract ( 1083 )   HTML ( 5 )   PDF（pc） (28KB) ( 934 )   Save Internal derangement is one of the most common disorders of the temporomandibular joint. The position of the mandibular condyle in temporomandibular joint disk displacement has been debated. Many researchers investigate the problem from different angles. This article reviews the general situation of temporomandibular joint internal derangement, the relationship between condyle position and disc displacement and the diagnostic value of condyle position in temporomandibular joint internal derangement. Related Articles | Metrics

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Research Progress of the Canal Isthmus in the Root Canal System GU Li- sha, LING Jun- qi. Inter J Stomatol. 2007, 34 (02):  107-109.  Abstract ( 1220 )   HTML ( 6 )   PDF（pc） (29KB) ( 1131 )   Save An isthmus is defined as a narrow, ribbon- shaped communication between two root canals that contains pulp tissues. It can act as a bacterial reservoir which is difficult to prepare, shape and fill, and thus accounts for the failure of root canal therapy. The location and treatment of the canal isthmus may be a prerequisite to successful surgical endodontics. Now, with the adjunct of dental operating microscope and endoscope in routine endodontic procedures, clinicians can view the resected root surface better, identify and prepare the isthmus. The recognition and management of the canal isthmus may be advantageous in increasing the success rate of surgical endodontics. Related Articles | Metrics

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Development of Expr ession of Glucose Tr anspor ter-1 in Infant Hemangiomas CAI Yu, ZHAO Yi- fang. Inter J Stomatol. 2007, 34 (02):  110-111.  Abstract ( 1082 )   HTML ( 3 )   PDF（pc） (28KB) ( 1263 )   Save Glucose transporter - 1（GLUT- 1） is the main carrier protein of transporting the glucose in mammalian cell, which is closely correlated with metabolism. In recent research, it is found that GLUT- 1 is the special symbol of endothelial cell of the infant hemangiomas. Therefore, the development and significance of the expression of GLUT- 1 in infant hemangiomas will be summarized in this article. Related Articles | Metrics

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Establishment of Animal Model of Or al Carcinoma ZHENG Yan- li，LIU Jin- zhong. Inter J Stomatol. 2007, 34 (02):  112-115.  Abstract ( 1548 )   HTML ( 15 )   PDF（pc） (35KB) ( 3561 )   Save Establishing a similar human being oral carcinoma animal model may provide important application in research on the prognosis and development of oral carcinoma. Animal model of oral squamous cell carcinoma may lay a good basis for experimental study. In this article, we integrated with home and abroad research data in recent years to review the method，process in establishment of animal model of oral carcinoma. Related Articles | Metrics

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Molecular Mechanism of Pain in Temporomandibular Disorders JIAO Guo- hua, ZHANG Zhi- guang. Inter J Stomatol. 2007, 34 (02):  116-118.  Abstract ( 1280 )   HTML ( 2 )   PDF（pc） (27KB) ( 1721 )   Save Temporomandibular disorders are attributed to multiple factors which is mainly characterized by pain. But there is no big breakthrough in the therapy of it just because the mechanism of it is not understood completely as yet. In recent years, the molecular mechanism of pain in the temporomandibular disorders has becoming a hot and focal point in national and abroad, so the review on it was made. Related Articles | Metrics

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Association between Inter feron Regulatory Factor - 6 Gene Polymorphisms and Non - syndromic Cleft Lip and Palate HUANG Yong- qing, SHI Bing. Inter J Stomatol. 2007, 34 (02):  119-121.  Abstract ( 1135 )   HTML ( 2 )   PDF（pc） (27KB) ( 1362 )   Save Many researchers have reported 10- 20 genes and loci involved in non- syndromic cleft lip and palate since 1980s. Among these, interferon regulatory factor- 6（IRF- 6）was the most valuable gene contributing to non- syndromic cleft lip and palate to date. Here，it was briefly generalized the structures，functions，and polymorphisms of IRF- 6 gene，especially progress in association of V274I mutation and non- syndromic cleft lip and palate. Related Articles | Metrics

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Investigative Progr ess of Pathogenesis of Hemangioma YU Tao, GAO Qing- hong, WEN Yu- ming. Inter J Stomatol. 2007, 34 (02):  122-124.  Abstract ( 1180 )   HTML ( 2 )   PDF（pc） (26KB) ( 1485 )   Save Hemangioma is a commonly benign tumour for infants and children. This tumor is characterized by high incidence and considerable detriment. Along with the development of molecular biology, many scholars have been researching the pathogenesis through cell, cell factor, gene, estrogen, protease and its inhibitor. This article reviews the investigative progression of this area. Related Articles | Metrics

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Advanced Resear ch of Method of Model Establishment and Application of Finite Element Method in Stomatology YIN Wei, LI Si - qun Inter J Stomatol. 2007, 34 (02):  125-130.  Abstract ( 1647 )   HTML ( 6 )   PDF（pc） (99KB) ( 1078 )   Save Finite element method which can analyze the stress of model accurately and fast has been applied in study of oral biomechanics recently. The advanced research of establishing model and application of this method will be reviewed in this article. Related Articles | Metrics

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Clinical Development of Implant Prosthesis for the Patients with Special Intermaxillary Relationships ZHANG Heng，SHI Bin. Inter J Stomatol. 2007, 34 (02):  127-130.  Abstract ( 1137 )   HTML ( 2 )   PDF（pc） (979KB) ( 1706 )   Save The tooth arrangement and occlusion and facial form are important factors that affect design of implant denture，but these considerations can conflict with implant placement and abutment structure to the patients who have intermaxillary discrepancy. This article summarized the classification of intermaxillary discrepancy and reviewed the treatment plan of this kind cases. Related Articles | Metrics

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Effects of Design of Dental Implant on Immediate Implant and Immediate Loading HUANG Yan, XIAN Su-qin. Inter J Stomatol. 2007, 34 (02):  131-133.  Abstract ( 1272 )   HTML ( 2 )   PDF（pc） (28KB) ( 778 )   Save The key to the success of immediate implant and immediate loading lays in the primary stability of dental implant which decided by the design of dental implant in addition to host factors and iatrogenic factors. This review of the literature attempts to address current issues of theoretical investigation and clinical application in selecting dimension, contour and surface treatment of dental implants, and to find the connection between the factors in immediate implant and immediate loading. Related Articles | Metrics

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Advancement of Dental Magnetic Attachment ZHANG Jun, ZHAO Ke, XIAO Xue Inter J Stomatol. 2007, 34 (02):  134-136.  Abstract ( 1082 )   HTML ( 1 )   PDF（pc） (213KB) ( 1345 )   Save Magnetic attachments are widely used for prosthodontic treatment. Comparing to conventional attachments utilizing mechanical friction, advantage of magnetic attachments include the lack of visible metal frameworks, simplified tooth preparation, and less traumatic lateral force. One of the problems that limited their wide acceptance to clinicians was the low corrosion resistance of the permanent magnet alloy. Recently, development of new magnetic materials as well as improvement of corrosion resistance of magnet has facilitated the application of magnetic attachment. Related Articles | Metrics

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Bolton Index and Bolton Tooth-size Discrepancy XU Xiao- mei, YANG Si- wei. Inter J Stomatol. 2007, 34 (02):  137-139.  Abstract ( 3348 )   HTML ( 9 )   PDF（pc） (501KB) ( 2027 )   Save The Bolton index is usually used to measure the coordination of upper- lower teeth in orthodontic treatment. At the same time, the Bolton index is used to forecast the relation of occlusion after treatment. There are many disputed opinions on Bolton index between the scholars. The purpose of this article to summary the determining factors of Bolton index, the reasons of Bolton tooth - size discrepancy and clinical using of Bolton index and Bolton tooth- size discrepancy. Related Articles | Metrics

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Rapid Canine Distalization and Distraction of the Periodontal Ligament MA Xun，WANG Da- wei. Inter J Stomatol. 2007, 34 (02):  140-142.  Abstract ( 1186 )   HTML ( 5 )   PDF（pc） (24KB) ( 1494 )   Save Rapid canine distalization is summarized in this article，meanwhile it is discussed that rapid canine distalization can be achieved in some weeks with this technique. Due to shorten much time of treatment，the technique has broad prospects in the field of orthodontics. Related Articles | Metrics

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Relationship between Dental Metallic Prosthesis and Magnetic Resonance Imaging Artifact SHAO Chen- ying， YU Li- ying. Inter J Stomatol. 2007, 34 (02):  143-145.  Abstract ( 1215 )   HTML ( 1 )   PDF（pc） (26KB) ( 1640 )   Save Dental metals and alloys are widely used in dental restorations and prosthesis. Some metallic dental materials could cause artifacts on magnetic resonance imaging（MRI） image, which would interfere with demonstration of normal anatomic structures and pathological tissues when undergoing face, jaw and head MRI examination. In this paper, the research progress of the relationship between dental metallic prosthesis and MRI artifact is summarized. Related Articles | Metrics

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Advancement of Biomechanical Par ameter about Per iodontal Ligament in Or thodontics LIU Dong-xu, DONG Zuo-ying, WANG Chun- ling, KOU Bo. Inter J Stomatol. 2007, 34 (02):  146-148.  Abstract ( 1367 )   HTML ( 5 )   PDF（pc） (56KB) ( 1655 )   Save The periodontal ligament has many important mechanical functions, such as supporting teeth, transferring and dispersing biting force. It helps to analysize the stress and strain condition of periodontal tissues in order to improve the treatment system. This article chooses different methods of representative scholars which used to study the modulus of elasticity about the periodontal ligament to review. Related Articles | Metrics

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Cur ative Effects and Exper ience on Tr eating Ser ious Per iodontitis with BAM Ar tificial Bone by Per iodontal Guided Bone Regener ation Technique GUI He- ming，DU Li- juan，HUANG Jie- ying. Inter J Stomatol. 2007, 34 (02):  149-151.  Abstract ( 1305 )   HTML ( 3 )   PDF（pc） (50KB) ( 914 )   Save Objective To observe clinic curative effect on treating serious periodontitis with BAM artificial bone by periodontal guided bone regeneration（PGBR） technique in one year. Methods 45 patients with serious periodontitis, total 67 diseased teeth, were selected from outpatient department for treating with BAM artificial bone by PGBR technique after finishing basic therapy. Clinic curative effects were evaluated after complete therapy 6 and 12 months through rule clinic and X- ray examination. Results Periodontal pocket deep（PD）, gingiva blood index（GBI）, teeth move（TM） and alveolar bone height（AH） of 67 diseased teeth except for 5 removed after treating 6 and 12 months improve much more than before treating. Conclusion PD, GBI, TM and AH of diseased teeth treating with BAM artificial bone evidently improved after finishing therapy one year in our study. Related Articles | Metrics