• Title/Summary/Keyword: Alternative History

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Low Tibial Osteotomy (저위 경골 절골술)

  • Choi, Jun Young;Suh, Jin Soo
    • Journal of Korean Foot and Ankle Society
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    • v.18 no.4
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    • pp.141-146
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    • 2014
  • Low tibial osteotomy is an extra-articular procedure that realigns the mechanical axis, restoring ankle function. It is also an alternative surgical procedure to manage early osteoarthritis of the ankle joint. This can mainly address ankle varus/valgus, as well as procurvatum/ recurvatum, internal/external rotation, equinus, calcaneus, and limb length discrepancy. The authors describe the history, mechanism, indications, and limitations of low tibial osteotomy focused on osteoarthritis of the ankle with varus malalignment reviewing several articles published thus far.

Retreatment of failed regenerative endodontic of orthodontically treated immature permanent maxillary central incisor: a case report

  • Al-Tammami, Musaed Fahad;Al-Nazhan, Saad A.
    • Restorative Dentistry and Endodontics
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    • v.42 no.1
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    • pp.65-71
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    • 2017
  • A revascularization procedure was shown to be the best alternative therapy for immature teeth with necrotic pulp and apical infection. A 12 year old female with a history of trauma to her upper central incisor and a sinus tract was referred for endodontic treatment. She was an active orthodontic patient and had undergone regenerative endodontic treatment for the past 2 years. Clinical examination revealed no response to sensibility, percussion, and palpation tests. The preoperative radiograph showed an open apex and apical rarefaction. The case was diagnosed as previously treated tooth with asymptomatic apical periodontitis. Regenerative endodontic retreatment was performed, and the case was followed for 3 years. Clinical, radiographic, and cone-beam computed tomography follow-up examination revealed an asymptomatic tooth, with evidence of periapical healing and root maturation.

Multi-functionality of honey bees for eco-friendly food production (환경친화적 식량생산을 위한 꿀벌의 다원적 가치)

  • Jung, Chuleui
    • Food Science and Industry
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    • v.55 no.2
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    • pp.166-175
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    • 2022
  • Current food system has developed with the agricultural innovation to feed the increasing population of the world, but with high costs such as environmental contamination and inequality with low sustainability. Human has developed long history of mutualistic interaction with honey bee. This manuscript describes the multi-functionality of honey bee for food production. Firstly honey bee produces honey, bee pollen, royal jelly and propolis which are rich in functionality. Second honey bee serves as the main pollinator for crop production which is worth for 28% of total crop production values in Korea. Lastly honey bee can be an alternative meat produciton system with lower energy, carbon costs but higher nutritional security. This manuscript described those parts and discussed the multi-functionality of honey bees for eco-friendly food security pursuing lowered environmental cost and carbon-zero strategies in the climate change era.

Rhinoplasty with Recycled Dorsum Preservation: Technique and Outcomes

  • Rodriguez, Carlos A.;Al-Sakkaf, Ali M.;Verbauvede, Mauricio
    • Archives of Plastic Surgery
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    • v.49 no.5
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    • pp.563-568
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    • 2022
  • Rhinoplasty is one of the first surgical procedures described with evidence in the history of medicine. At first, these were performed for the reconstruction of traumatic defects caused by punishments, sequels of war, and then it had been reused after suffering from diseases such as syphilis. Many techniques have been developed from the need of aesthetics outcomes in this field. The objective of our work is to describe a modified approach of recycled dorsum preservation procedure that we have proposed as a safe and reliable technique. In this work, we have showed that this technique has a marked advantage of preserving the natural tissue with satisfactory postoperative result. We had no functional complications up to date. We recommend that every specialist in the field of rhinoplasty should be able to use it as a reproducible and feasible alternative.

Treatment of descemetocele with deep keratotomy combined with a nictitating membrane flap in a dog

  • Manbok Jeong
    • Korean Journal of Veterinary Research
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    • v.63 no.2
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    • pp.20.1-20.4
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    • 2023
  • A 10-year-old, spayed female, Maltese dog presented with a 2-day history of severe left eye squint. Slit-lamp biomicroscopy showed a deep corneal defect stained into a doughnut shape together with hypopyon in the anterior chamber. Based on these results, a diagnosis of descemetocele and uveitis in the left eye was made. Deep keratotomy combined with a nictitating membrane flap effectively resolved the descemetocele without complications. The surgical procedures performed on this patient were easy and effective, and could be used as an alternative to graft surgery for descemetocele treatment.

Clinical Features and Treatment of Pediatric Cerebral Cavernous Malformations

  • Ji Hoon Phi;Seung-Ki Kim
    • Journal of Korean Neurosurgical Society
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    • v.67 no.3
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    • pp.299-307
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    • 2024
  • Cerebral cavernous malformation (CCM) is a vascular anomaly commonly found in children and young adults. Common clinical presentations of pediatric patients with CCMs include headache, focal neurological deficits, and seizures. Approximately 40% of pediatric patients are asymptomatic. Understanding the natural history of CCM is crucial and hemorrhagic rates are higher in patients with an initial hemorrhagic presentation, whereas it is low in asymptomatic patients. There is a phenomenon known as temporal clustering in which a higher frequency of symptomatic hemorrhages occurs within a few years following the initial hemorrhagic event. Surgical resection remains the mainstay of treatment for pediatric CCMs. Excision of a hemosiderin-laden rim is controversial regarding its impact on epilepsy outcomes. Stereotactic radiosurgery is an alternative treatment, especially for deep-seated CCMs, but its true efficacy needs to be verified in a clinical trial.

Modeling Viscoelasticity of Acrylonitrile-butadiene Styrene Sheets using Long-short Term Memory Models (장단기 기억 신경망을 이용한 ABS 판재의 점탄성 모델링)

  • Nguyen Vu Doan;Ji Hoon Kim
    • Transactions of Materials Processing
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    • v.33 no.5
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    • pp.354-362
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    • 2024
  • In this paper, the capabilities of recurrent neural networks (RNNs) to describe the viscoelastic properties of acrylonitrile-butadiene styrene (ABS) are investigated. The RNN model was trained using one-dimensional strains and corresponding stress data generated by the finite element method. The optimal model was then employed to predict the viscoelastic behavior of unseen test data. Furthermore, the viscoelastic-based RNN model was tested for extrapolation using other types of strain and corresponding stress data beyond the training set. The agreement between the predicted and actual stresses demonstrates the robust performance of the trained RNN model in predicting different types of strain inputs for larger strain tests, despite being trained only with step strain inputs. Therefore, the use of RNNs can be considered a viable alternative to conventional models for predicting viscoelastic behavior.

Future Tasks and Alternative Teaching-Learning Strategies to Make the Best Use of Home Economics Textbooks in Secondary Schools based on the Newly Revised 2007 Home Economics Curriculum (2007년 개정 교육과정에 기초한 중등 가정과 교과서의 현장 적용을 위한 과제와 대안적 교수-학습 전략)

  • Lee, Soo-Hee
    • Journal of Korean Home Economics Education Association
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    • v.22 no.2
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    • pp.133-153
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    • 2010
  • The purpose of this study is to find out the philosophy embedded in the newly revised 2007 Home Economics curriculum. Furthermore, it analyses the current situation and future tasks of textbooks in view of that philosophy. With this analysis it tries to give alternative teaching-learning strategies for making the best use of the existing textbooks. This study deals with the newly revised 2007 Home Economics curriculum. It also analyses the twelve sorts of textbooks for the first grade students in secondary schools, which are supposed to be based on that curriculum. As a research method this study takes a qualitative approach. As follows are the results of this study. First, in the character and objectives of the curriculum is embedded the critical science perspective of Home Economics curriculum. Second, the current situation and future tasks of the textbooks are analysed with the criteria by Yang, mi-kyung about textbook construction. And we have ascertained the following problems. The current textbooks are not well designed so that teachers have the appropriate orientation, encourage students to nurture the critical thinking abilities, and urge students to employ practical reasoning in the context of society, history and culture. Third, this study proposes five alternative teaching-learning strategies for making the best use of the current textbooks in order to tackle the above-mentioned problems.

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Interaction Patterns in Dialogic Inquiry of Middle School Students in Small Groups in the Natural History Gallery (자연사관 관람에서 중학생 소집단의 대화적 탐구에서 나타나는 상호작용 유형)

  • Jung, Won-Young;Lee, Joo-Youn;Park, Eun-Ji;Kim, Chan-Jong;Lee, Sun-Kyung
    • Journal of the Korean earth science society
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    • v.30 no.7
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    • pp.909-927
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    • 2009
  • Inquiry became an essential methodology in science education. Recently, argumentation becomes more important in inquiry, but inquiry-based teaching in school science would not provide enough opportunities for students to have voluntary and active interactions during inquiry activities. Informal science learning can be an alternative for authentic inquiry. Accordingly, this study aims to find interaction patterns in dialogic inquiry of junior high school students in small groups in the natural history gallery. Inquiry elements and interaction patterns are analyzed with 42 dialogues of 13 small groups. As a result, seven interaction patterns are identified. First, five major interaction patterns were drawn as follows; Sharing questions, asking questions and simple response, asking questions and simple explanation, asking questions-simple explanation-(collecting data)-data based explanation, and asking questions-collecting data-data based explanation. Second, pattern 2, 'asking questions and simple response', is subdivided into three categories; passive and/or evasive response, inaccurate response, and repeated patterns of asking questions-simple response. The results of the study provide different patterns of dialogic interactions in a small group inquiry in informal contexts from formal contexts, and provide foundations to understand middle school students' interactive dialogues of inquiry occurred in the natural history gallery.

History and Concept of Manual Therapy (도수치료의 역사 및 개념)

  • Moon, Sang Ho;Lee, Song;Bae, Dae Kyung
    • Journal of the Korean Orthopaedic Association
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    • v.55 no.1
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    • pp.29-37
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    • 2020
  • Manual therapy has undergone parallel development throughout many parts of the world dating back to ancient times for at least 2,500 years. The earliest historical reference to the practice of manual therapy in Greece, dates back to 400 B.C. Over the centuries, manual medicines have fallen in and out of favor with the medical profession. To truly understand the principle, it is important to know that manual therapy was initially the mainstay of the three leading alternative health care systems, osteopathy, chiropractic, and most notably physical therapy. These were all founded in the latter part of the 19th century in response to the shortcomings in allopathic medicine. Although it has been around for a long time and has been used all over the world, there are a few reports on manual therapy treatment, and most papers provided a low level of evidence. Despite the controversies over manual therapy, its use appears to be increasing gradually. This article reviews the history of manual therapy from ancient times to the present including Korean history, discusses the current state of knowledge on manual therapy, and informs physicians who manage musculoskeletal pain.