Journal of International Dental and Medical Research
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Ectodermal Dysplasia Group-Turkey,正常發行
選擇卷期
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The objectives of this cross-sectional study are 1) to compare the Adhesive Remnant Index (ARI) score between metal and ceramic brackets and 2) to compare the mean percentage of the adhesive remnant on the bracket base. The data were obtained from patients who required debonding of fixed orthodontic appliances. The patients were allocated into three groups; 1) conventional metal brackets, 2) self-ligating metal brackets, and 3) self-ligating ceramic brackets. All brackets were mechanically debonded using recommended pliers. After debonding, dental disclosing solution was applied on the adhesive remnant, and ARI score was recorded based on the image analysis measurement of the photograph. All debonded brackets were evaluated under a stereomicroscope, and the percentage of the adhesive remnant on the bracket base was calculated using image analysis. The data was analysed using SPSS version 24.0 and the level of statistical significance set at p ＜ 0.05. A total of 192 brackets which comprised of 64 brackets in each group were evaluated for this study. There was statistically significant difference (p＜0.05) between three types of brackets in the ARI assessment on the tooth surface. The result was consistent with the image analysis of the mean percentage of adhesive remnant on the bracket base. The result showed a statistically significant difference between self-ligating metal brackets and other types of brackets. The self-ligating metal brackets had most adhesive remain on the tooth surface and had the smallest mean of percentage adhesive remnant on the bracket base.
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Dental caries, defined as multifactorial chronic disease, begins with the biofilm microbial complex change that is affected by sugar intake, salivary flow, and behavior. Neutrophils are the first line of defense against microbes. Besides kill microbes by phagocytosis, releases reactive oxygen species (ROS) and contains antimicrobial peptide, neutrophils activation also sets up the immune response. Saponin triterpenoids contained in Centella asiatica demonstrated immunemodulator effects, while pectin isolated from Centella asiatica showed immune-stimulatory activity. To analyze the effectivity of Centella asiatica extract as an immune-modulator in salivary neutrophil proliferation as innate immunity effector cells in severe early childhood caries. Preparation of extract of Centella asiatica were done using and isolation of neutrophils from the saliva of severe early childhood caries (S-ECC) using the magnitude of beads and marker label CD177 were analyzed using flow cytometry. Immune-modulator activity of Centella asiatica extract on salivary neutrophils proliferation was analyzed using MTT assay. Results: Salivary neutrophil proliferation increased after centella extract administration started from 50 μg/ ml. The extract of Centella asiatica effectively increase salivary neutrophil proliferation on administration 50 μg/ ml.
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The Orthodontic Wire has a stainless steel metal content that can undergo corrosion on the inside of the mouth. Corrosion can be influential, bad for the human body and can release ions that can affect the process of corrosion. Stainless steel wire can release chromium ion and ways to reduce the rate of corrosion of materials by using inhibitors. Inhibitors can be extracts from natural materials and are not harmful to the environment. One of them is the extract of star fruit wuluh that has active content can stabilize ions of chromium on the surface of the stainless steel wire and can form a passive layer so that corrosion can be inhibited. To know the ability of inhibition the star fruit wuluh extract power to prevent corrosion on Stainless Steel wire. Materials used artificial saliva and fluid extract of star fruit wuluh. The research was conducted in experimental laboratories with 4 sample treatment group using the extract of star fruit wuluh and 4 sample control group using artificial saliva fluids. The release of chromium ion Atomic Absorption Spectrophotometric instruments used. Cr metal ion release Occurs with the amount of discharge varies from the treatment group and the control group on day 1, 3, 7 and 14 days. An increase in the amount of deposition of chromium ion on each sample research. The release of chromium ion from Stainless Steel wire that is soaked in the extract of star fruit wuluh less than immersed in artificial saliva. Extract of starfruit wuluh have corrosion inhibition against stainless steel wire.
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Bonding material is a coupling agent required in performing composite restoration on caries and dentine erosion. 4-META is one of the materials often used as bonding material. Bonding material contains solvent agent which promotes monomer infiltration to collagen. The most commonly used solvents are acetone and ethanol. The aim of this studies was to determine the chemical bond strength difference between 4- META with ethanol and with acetone on type I collagen. Materials and methods: The sample of this study was divided into three groups: mixture of 4-META and collagen as control group (C); mixture of 4-META, ethanol and collagen (T1); and mixture of 4-META, acetone, and collagen (T2) as treatment groups. The samples from all groups pelleted using KBr before being analyzed by means of FTIR. One Way ANOVA and Tukey HSD test were used to analyze the results data (p＜0.05). Results: Carbonyl absorbance bands peak (P) value of C group was 75.15, while T1 was 47.91 and T2 was 28,18. The smaller P value, the greater the bonding strength of the chemical. The chemical bond strength of the 4-META and acetone bonding material is greater than soluble ethanol on type I collagen.
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Temporomandibular joint disorders (TMD) affect a big proportion of the population. It is multifactorial in origin. The clarification of its associated factors is crucial. Early determination of TMD accompanied with suitable treatment may give good response. The aim of this study is to identify the relationship between demographic parameters, signs and symptoms, diagnosis, detection and treatment with review outcomes. Study sample consists of 71 patients attended Oral Medicine and Oral Pathology clinic. Demographic parameters (age, gender, and profession) were recorded. TMD staging was done based on Wilkes system. Treatment including self-education, occlusal splint, and medication were proposed to patients based on their signs and symptoms. Prosthetic rehabilitation was indicated for free-end extension ridge. Treatment outcomes measure recommended by the International Association of Oral and Maxillofacial Surgeons (IAOMS) was used. Age shows significant relationship with the signs and symptoms of TMD (p ＜0.05). Association between signs and symptoms, diagnosis and stage of detection with the given treatment (p ＜ 0.05) was acquired. Significant correlation existed between signs and symptoms before and after treatment (r = - 0.452). The stage of detection exhibited significant relationship with review outcome. It was worth noted that the outcome during review visit depended on the treatment given according to the signs and symptoms, which were influenced by demographic parameters (p ＜ 0.05). This study had successfully manifested the relationship between demographic parameters, the signs and symptoms complained by TMD patients, the diagnosis, the detection, treatment proposed with findings during review.
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Flaxseed is a natural product with a wide array of anticancer, antibacterial, antiviral and also antifungal properties. Flaxseed extracts; either oil or water based can be incorporated into pharmaceutical compounds to be used in clinical setting. This study aims to compare the in-vitro antifungal effectiveness of flaxseed extract against the commonly used synthetic compound, Nystatin. Methodically, antifungal effectiveness of flaxseed extract and Nystatin was tested upon the Candida albicans culture growth in petri dishes. Disc diffusion method was performed and the zones of inhibition around the disc within each petri dish were measured after 48 hours of incubation period. Oil-based and water-based flaxseed extract types were evaluated using disc diffusion method at different volume per disc (5μl, 10μl and 15μl) and its result was compared to Nystatin's effectiveness. The principle result shows that the oil-based extract exhibited no antifungal activity despite of the increasing quantity used. Interestingly the comparison of mean value for candidal growth inhibition diameter between flaxseed aqueous extract and Nystatin was significant based on p-value less than 0.05. Clearly, Candida albicans growth diameter mean value was greater with higher increment of flaxseed aqueous extract when compared to the Nystatin 100 units control test. The greatest zone of inhibition was seen with 15μl of flaxseed aqueous extract. Thus, water-based flaxseed extract has a great potential to be used as a clinical product to control oral fungal infection while eliminating the unwanted side effects commonly occurring with synthetic products.
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Bone destruction in oral cavity due to trauma, chronic infection, congenital malformations, or surgical procedure have most often been treated using autologous bone-grafting procedure. Another solution emerged in tissue engineering is the use of scaffold. Calcium carbonate is one of potential ceramic materials that have osteoconductive properties that can be used as scaffold constituents. To investigate the comparative bio-degradation value and compressive strength of chitosan, gelatin, and calcium carbonate scaffold with various ratio. The scaffold were made using freeze-drying method. Degradation test was done by dissolving scaffold in PBS containing 1.6 μg/ml of the lysozyme. Compressive strength test is done by using autograft tool with load cell compress machine 100 kN. Degradation rate of scaffolds with ratio 40:60 was lower than scaffolds with 30:70 ratio. Compressive strength of scaffold with ratio 40:60 was higher than 30:70 ratio scaffold. The data were analyzed using T-test and showed significant difference in degradation rate and compressive strength test. The scaffolds with ratio 40:60 have better bio-degradation rate and compressive strength properties than scaffolds with ratio 30:70. The chitosan, gelatin and calcium carbonate scaffolds with ratio 40:60 have potency as an alternative biomaterial in bone tissue engineering.
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Chronic inflammation endures for a long time and may cause oxidative stress which can increase Heat Shock Factor (HSF) and Heat Shock Protein (HSP) 70 expression. Cat fish (Clarias batrachus) oil contains Polyunsaturated Fatty Acids (PUFA) that act as antioxidants. Aim and The aim of this study is to evaluate the antioxidant effect of cat fish oil on oral mucosa chronic inflammation through the expression of HSP70. Rattus novergicus were subject to incision on the buccal mucosa and randomly divided into three groups, Group 1 as the control group, Group 2 (KP1) administered 5% cat fish oil, and Group 3 (KP2) administered 10% cat fish oil. After 3 days, cat oil was applied topically. On day 4, the rats were sacrificed and prepared for immunohistochemical evaluation with the data being analyzed using One Way ANOVA. There was a significant difference in HSP70 expression between KP2 and the control group. 10% cat fish (Clarias batrachus) oil can downgrade HSP70 expression in chronic inflammation of the oral mucosa.
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Stress distribution is one of the most important factor in understanding orthodontic tooth movement. This research aimed to analyze stress distribution of anterior tooth apex and their surrounding alveolar bone during maxillary anterior intrusion using segmented and continuous wires with various miniscrew vertical positions. Six 3D maxillary models were assembled and divided by the type of wires used (continuous and segmented wires) and three different vertical position of the miniscrew (3,5,8 mm). Simulation revealed that a statistically significant difference were found on anterior tooth apex with different miniscrew vertical position within segmented groups, but not in continuous groups (p＜0.05). Meanwhile, stress generated on alveolar bone was not proportioned with the increase of miniscrew vertical position.
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Dental treatment is a situation that can cause stress, and eventually increasing the level of fear in children. Several communicative, advance and pharmacological interventions have been established to manage dental fear and uncooperative behavior in children, and it is more recommended focusing more on the non-pharmacological intervention. The purpose of this test is to evaluate the film and live modeling effects in reducing dental fear in pre-school children. The participants are students of Sekeloa Kindergaten Bandung Indonesia that have never been visit the dentists before. The program consists of five sessions that are divided into two visits, i.e. the visit in classroom and in dental practice room. Assessments before and after the model film simulation and after the treatment testing, each of the children is measured for the DF level using Facial Image Scales. Forty-five children participating in this intervention program. Before the film model simulation there is a balance between the number of children who are afraid and who are not afraid. After the film simulation, the number of children who are afraid is decreased. And so, after the test session, the number is decreasing a lot. The use of modeling video has a beneficial potency for clinical practices in reducing fear.