• Title, Summary, Keyword: conventional treatment

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Current concepts of Laser dentistry (임상가를 위한 특집2 - Current concepts of Laser dentistry)

  • Eun, Hee-Jong
    • The journal of the Korean dental association
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    • v.49 no.11
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    • pp.670-678
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    • 2011
  • Various sorts of dental devices for the dental treatment have been introduced and adopted during past several years. Dental Laser, among all devices, seems to be possible for applying to over the whole treatments and widely employed. Furthermore, this article is to introduce that Dental Laser is intended to care patients secured with the effectual treatment against Conventional procedures based upon its studies. The advantages of Dental Laser treatment-along with LLLT (Low Level Laser Therapy) effect, biostimulation effect, and minimal invasive technique - make the patients reduce their fear of the operation, lighten the inconvenience of post operation, and shorten the treatment period. In particular, it is worth considering that the use of laser-assisted therapies is associated with a marked reduction in the use of analgesics and anti-inflammatory medications compared with conventional procedures. This article is to state advantages and differences of Dental Laser treatment compared with Conventional procedures, and to emphasize to become well-acquainted with the precautions for safety and effective Dental Laser treatment. In case of operating Dental Laser with lack of the instructions, it will cause the unpredicted fatal results; therefore this treatment requires special care in its operation. Henceforward, it is anticipated that infinite treatment protocols will be introduced by applying Dental Laser, and this is to address the utilization of Dental Laser.

Successful Outcome of Breast Cancer Patient Refusing Conventional Treatments: A Case Report

  • Lee, Sanghun;Sohn, Kicheul;Chon, Songha
    • The Journal of Korean Medicine
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    • v.39 no.4
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    • pp.177-182
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    • 2018
  • Background: Breast cancer is a treatable disease, but some women reject conventional treatment in favor of unproven "alternative therapies," which may have serious implications for their survival. Therefore, a process is needed to lead them to more appropriate treatment choices. Case presentation: Here, we present the case of a 51-year-old Korean female diagnosed with early-stage breast cancer (stage IIB, T2N1M0) in Nov. 2015. She refused a standard surgical resection together with chemotherapy and opted instead for moxibustion by nonmedical personnel. Consequently, her preference for alternative therapy without conventional treatment exacerbated her disease. Just a little over a year later, integrative cancer treatment, including chemotherapy based on histological founding, and complementary treatment, comprised of acupuncture, moxibustion, and herbal medicine, were administered for 5 months. Finally, she successfully underwent modified radical mastectomy showing a pathological complete response. She received only adjuvant chemotherapy without any alternative medicine afterwards, and she maintained a good status without recurrence. Conclusion: In the case of breast cancer patients who are resistant to surgery and chemotherapy, integrative therapy considering adverse effects from conventional treatment should be preferred to bitter opposition to alternative medicine.

Net Shape Forming Process for Ball Stud Using High Strength Micro-Alloyed Cold Forging Steel (냉간 비조질강을 이용한 볼 스터드의 정형가공 공정연구)

  • Yoon, D.J.;Choi, H.J.;Lee, H.W.;Lee, G.A.;Jang, B.L.;Seo, S.L.;Choi, S.
    • Transactions of Materials Processing
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    • v.15 no.8
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    • pp.562-567
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    • 2006
  • Micro-alloyed steel or heat-treatment-free used in clean technology have been replacing for conventional quenched-and-tempered structural steels since the micro-alloyed forging steel was developed in early 1970s in Germany for saving money of heat treatment, simplified process, short delivery and good productivity. In this paper, ball stud assembled in steering system for automobile was selected to compare conventional process making heat treatment with new process using high strength micro-alloyed steel without heat treatment. The conventional process for ball stud was composed of a total of 6 steps including upsetting, forward extrusion, machining, burnishing and tread rolling with heat treatment and shot blasting. As opposed to conventional process, newly proposed process for ball stud using the clean technology without heat treatment is simplified such as forward extrusion, heading, upsetting, forming having a flange shape and tread rolling. Also net shape forming process to achieve specified process not to include machined step fur manufacturing the ball stud was applied to newly simplified process since micro-alloyed steel is difficult to be formed.

Influence of Electric Potential on Structure and Function of Biofilm in Wastewater Treatment Reactor : Bacterial Oxidation of Organic Carbons Coupled to Bacterial Denitrification

  • NA BYUNG KWAN;SANG BYUNG IN;PARK DAE WON;PARK DOO HYUN
    • Journal of Microbiology and Biotechnology
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    • v.15 no.6
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    • pp.1221-1228
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    • 2005
  • Carbon electrode was applied to a wastewater treatment system as biofilm media. The spatial distribution of heterotrophic bacteria in aerobic wastewater biofilm grown on carbon electrode was investigated by scanning electron microscopy, atomic force microscopy, and biomass measurement. Five volts of electric oxidation and reduction potential were charged to the carbon anode and cathode of the bioelectrochemical system, respectively, but were not charged to electrodes of a conventional system. To correlate the biofilm architecture of bacterial populations with their activity, the bacterial treatment efficiency of organic carbons was measured in the bioelectrochemical system and compared with that in the conventional system. In the SEM image, the biofilm on the anodic medium of the bioelectrochemical system looked intact and active; however, that on the carbon medium of the conventional system appeared to be shrinking or damaging. In the AFM image, the thickness of biofilm formed on the carbon medium was about two times of those on the anodic medium. The bacterial treatment efficiency of organic carbons in the bioelectrochemical system was about 1.5 times higher than that in the conventional system. Some denitrifying bacteria can metabolically oxidize $H_{2}$, coupled to reduction of $NO_{3}^{-}\;to\;N_{2}$. $H_{2}$ was produced from the cathode in the bioelectrochemical system by electrolysis of water but was not so in the conventional system. The denitrification efficiency was less than $22\%$ in the conventional system and more than $77\%$ in the bioelectrochemical system. From these results, we found that the electrochemical coupling reactions between aerobic and anaerobic reactors may be a useful tool for improvement of wastewater treatment and denitrification efficiency, without special manipulations such as bacterial growth condition control, C/N ratio (the ratio of carbon to nitrogen) control, MLSS returning, or biofilm refreshing.

Effect of Ohmic Heating on Thermal and Water Holding Property of Starches (옴가열이 전분의 열적 특성과 흡수력에 미치는 영향)

  • Cha, Yun-Hwan
    • The Korean Journal of Food And Nutrition
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    • v.27 no.1
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    • pp.112-119
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    • 2014
  • Ohmic heating uses electric resistance heat which occurs equally and rapidly inside food when the electrical current is transmitted into. Prior to the study, we have researched the potato starch's thermal property changes during ohmic heating. Comparing with conventional heating, the gelatinization temperature and the range of potato starch treated by ohmic heating are increased and narrowed respectively. Herein, we have studied thermal property changes of wheat, corn, potato and sweet potato starch by ohmic heating as well as conventional heating. And then we measure the water holding capacity of starches. Annealing of starch is a heat treatment method heated at 3~4% below the gelatinization point. This treatment changes the starch's thermal property. In the DSC analysis of this study, the $T_o$, $T_p$, $T_c$ of all starch levels have increased, and the $T_c$-$T_o$ narrowed. In the ohmic heating, the treatment sample is extensively changed but not with the conventional heating. From the ohmic treatment, increases from gelatinization temperature are potato ($8.3^{\circ}C$) > wheat ($5.3^{\circ}C$) > corn ($4.9^{\circ}C$) > sweet potato ($4.5^{\circ}C$), and gelatinization ranges are potato ($7.9^{\circ}C$), wheat ($7.5^{\circ}C$), corn ($6.1^{\circ}C$) and sweet potato ($6.8^{\circ}C$). In the case of conventional treatment, water holding capacity is not changed with increasing temperature but the ohmic heating is increased. Water holding capacity is related to the degree of gelatinization for starch. This result show that when treated with below gelatinization temperature, the starches are partly gelatined by ohmic treatment. When viewing the results of the above, ohmic treatment is enhanced by heating and generating electric currents to the starch structure.

Mandibular arch orthodontic treatment stability using passive self-ligating and conventional systems in adults: A randomized controlled trial

  • Rahman, Norma Ab;Wey, Mang Chek;Othman, Siti Adibah
    • The korean journal of orthodontics
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    • v.47 no.1
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    • pp.11-20
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    • 2017
  • Objective: This randomized controlled trial aimed to compare the stability of mandibular arch orthodontic treatment outcomes between passive self-ligating and conventional systems during 6 months of retention. Methods: Forty-seven orthodontic patients with mild to moderate crowding malocclusions not requiring extraction were recruited based on inclusion criteria. Patients (mean age $21.58{\pm}2.94years$) were randomized into two groups to receive either passive self-ligating ($Damon^{(R)}$ 3MX, n = 23) or conventional system (Gemini MBT, n = 24) orthodontic treatment. Direct measurements of the final sample comprising 20 study models per group were performed using a digital caliper at the debonding stage, and 1 month, 3 months, and 6 months after debonding. Paired t-test, independent t-test, and non-parametric test were used for statistical analysis. Results: A significant increase (p < 0.01) in incisor irregularity was observed in both self-ligating and conventional system groups. A significant reduction (p < 0.01) in second interpremolar width was observed in both groups. Mandibular arch length decreased significantly (p = 0.001) in the conventional system group but not in the self-ligating system group. A similar pattern of stability was observed for intercanine width, first interpremolar width, intermolar width, and arch depth throughout the 6-month retention period after debonding. Comparison of incisor irregularity and arch dimension changes between self-ligating system and conventional system groups during the 6 months were non-significant. Conclusions: The stability of treatment outcomes for mild to moderate crowding malocclusions was similar between the self-ligating system and conventional system during the first 6 months of retention.

Principles and Applications in Multileaf Collimator for Radiation Therapy (방사선치료에 있어서 Multileaf Collimator의 원리와 그 응용)

  • Chung, Kap-Soo
    • Journal of radiological science and technology
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    • v.21 no.1
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    • pp.24-28
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    • 1998
  • A conventional treatment machine shapes x-ray fields by a set of dense metal collimators(jaws) built into the machine. These collimators are positioned by the therapist using hand controls in the treatment room, and usually remain stationary during treatment. The collimator jaws of treatment machines produce rectangular beams. Conventional beam shaping is accomplished through the use of a combination of these collimator jaws and secondary custom beam blocks attached to the accelerator beyond the collimator Jaws. The jaw positions for a particular field can be retrieved from a computer. One application of this increased capability is replacement of beam blocks for field-shaping with the MLC. There are three basic applications of the MLC. The first application is to replace conventional blocking. A second function of the MLC is related to conformal therapy, adjusting the field shape to match the beam's eye view projection of a planning target volume during treatment. The third application is the use of the MLC to achieve beam intensity modulation. The aim of this paper is to provide basic principle and to state fundamental concepts needed to implement the use of a multileaf collimator in the conventional clinical setting. The use of MLC field shaping is likely to save time and to incur a lower operating cost when compared to the use of beam blocks.

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Effect of Yellowing Times During Yellowing Stage on Physico-chemical Properties of Immature Tobacco Leaves in Bulk Curing (Bulk건조시 미숙엽의 황변시간 조절이 잎담배 이화학성에 미치는 영향)

  • 이철환;진정의;한철수;이승철
    • Journal of the Korean Society of Tobacco Science
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    • v.21 no.1
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    • pp.10-16
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    • 1999
  • Leaves harvested were separated with visual characters into 2 classes such as immature and mature leaves. In the curing process, the prolonged yellowing treatment during yellowing stage was automatically controlled at the different stalk position, and condition of curing process after this period was all the same with conventional ones. In case of prolonged yellowing in immature leaves, increase of price per kg reached to 8 % compared with those of conventional ones. In physical properties, filling capacity and shatter index was decreased with the degree of maturity, and it was equal level in filling capacity of immature leaves between curing method, while shatter index was decreased in prolonged yellowing treatment than that of conventional ones. There was no difference in chemical components between immature leaves of prolonged yellowing and conventional ones. As to the prolonged yellowing of immature leaves, there was decreased in citric and malic acid contents of the nonvolatile organic acids, and it was equal level in all higher fatty acids content of leaves cured by prolonged yellowing treatment compared with in that of conventional curing method. The contents of key compounds such as solanone, damascenone, damascone in the essential oil were lower in prolonged yellowing of immature leaves than those of mature leaves cured by conventional ones.

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Application of Nd-YAP laser to the conventional treatment of periodontal and endodontic combined lesions (Nd-YAP laser를 적용한 치주-근관 복합병소의 치료에 대한 고찰)

  • Kang, He-Kyong;Yoon, Ho-Jung
    • The journal of the Korean dental association
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    • v.47 no.8
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    • pp.479-486
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    • 2009
  • Purpose: The aim of this study was to show the clinical results of combination of Nd-YAP (1340nm) laser therapy with conventional endodontic and periodontal treatment. Materials and Methods: Four patients with chronic advanced periodontitis and endodontic infection were treated with conventional treatment and Nd-YAP laser therapy. Occlusal adjustment and splinting were done for stabilization of the teeth with severe horizontal and vertical mobility. The protocol for periodontal treatment was followed as scaling and root planing, pocket irrigation with 3% $H_2O_2$ and exposure of Nd-YAP laser using 320${\mu}m$ optical fiber with 160mJ/pluse, 30Hz. The other protocol for endodontic treatment was followed as access opening, canal preparation by hand and rotary instrument, canal filling, and exposure of Nd-YAP laser using 200${\mu}m$ optical fiber with 200mJ/pluse, 10Hz and 180mJ/pluse, 5Hz which were used respectively for disinfection and canal filling. The assessments of probing depth, mobility, and radiography were made prior to and after treatment. Result: All of these four clinical cases showed good healing of periodontium, which presented decrease of mobility and pocket depth, and increase of bone regeneration and bone density on the radiography. Conclusion: The bactericidal effect of Nd-YAP laser would provide benefits for improving clinical results that are obtained from conventional therapy.

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A Review of Recent Clinical Research about Banhasasim-tang Combined with Conventional Therapy on Atrophic Gastritis (위축성 위염에 대한 반하사심탕과 표준치료 병용요법의 최신 연구 동향)

  • Lee, Ga-young;Ahn, Su-bin;Jeong, Min-jeong;Jang, In-soo
    • The Journal of Internal Korean Medicine
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    • v.40 no.6
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    • pp.1169-1178
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    • 2019
  • Objective: The purpose of this study was to investigate the effect of combined therapy with Banhasasim-tang and conventional treatment for atrophic Gastritis. Methods: The study collected data of clinical studies of combined therapy with Banhasasim-tang and conventional treatment for atrophic gastritis. Electronic databases were used, including PubMed, Cochrane, CNKI, Wanfang, CINII, J-stage, NDSL, and OASIS. The main search terms included such as "Atrophic Gastritis", "Banhasasim-tang", "BanXia Xiexin Tang". This study only included randomized controlled trials (RCTs) that adopted combined therapy with Banhasasim-tang and conventional treatment for atrophic gastritis. Results: A total of 18 RCTs were selected. They all adopted combined therapy with Banhasasim-tang and conventional treatment for atrophic gastritis. In all the studies, the intervention group significantly improved the score of effective rate, and in the 8 studies, Hp negative conversion rate was significantly improved when Banhasasim-tang was taken. Conclusion: Through the analysis of 18 RCTs, we found Banhasasim-tang combined with conventional therapy were more effective in the positive performance of atrophic gastritis than conventional therapy single contribution. However, due to the low quality of the selected studies and the lack of endoscopy, biopsy, follow-up observation, so there is a slight insufficient to prove its conclusion. Therefore, we hope that more systematic and diverse clinical studies will be conducted.