• Title/Summary/Keyword: Analog Materials

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Effect of vibratory stimulation on pain during local anesthesia injections: a clinical trial

  • Ghorbanzadeh, Sajedeh;Alimadadi, Hoda;Zargar, Nazanin;Dianat, Omid
    • Restorative Dentistry and Endodontics
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    • v.44 no.4
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    • pp.40.1-40.10
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    • 2019
  • Objectives: This study aimed to assess the effect of DentalVibe on the level of pain experienced during anesthetic injections using 2 different techniques. Materials and Methods: This randomized crossover clinical trial evaluated 60 patients who required 2-session endodontic treatment. Labial infiltration (LI) anesthesia was administered in the anterior maxilla of 30 patients, while inferior alveolar nerve block (IANB) was performed in the remaining 30 patients. 1.8 mL of 2% lidocaine was injected at a rate of 1 mL/min using a 27-gauge needle. DentalVibe was randomly assigned to either the first or second injection session. A visual analog scale was used to determine participants' pain level during needle insertion and the anesthetic injection. The paired t-test was applied to assess the efficacy of DentalVibe for pain reduction. Results: In LI anesthesia, the pain level was 12.0 ± 15.5 and 38.1 ± 21.0 during needle insertion and 19.1 ± 16.1 and 48.9 ± 24.6 during the anesthetic injection using DentalVibe and the conventional method, respectively. In IANB, the pain level was 14.1 ± 15.9 and 35.1 ± 20.8 during needle insertion and 17.3 ± 14.2 and 39.5 ± 20.8 during the anesthetic injection using DentalVibe and the conventional method, respectively. DentalVibe significantly decreased the level of pain experienced during needle insertion and the anesthetic injection in anterior LI and mandibular IANB anesthesia. Conclusions: The results suggest that DentalVibe can be used to reduce the level of pain experienced by adult patients during needle insertion and anesthetic injection.

A study on the expression types and aesthetic formativeness of tassels and fringe in modern bag design (현대 가방 디자인에 나타난 술 장식의 표현유형과 미적 조형성 연구)

  • Kwon, Giyoung
    • The Research Journal of the Costume Culture
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    • v.28 no.4
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    • pp.429-445
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    • 2020
  • The purpose of this study is to provide ideas for the development of bag design by analyzing the expression types and aesthetic formativeness of modern bag design using tassels and fringe given the newtro trend pursuing analog sensitivity in modern society. The methods and scope of this study are as follows. First, the related literature and internet data were reviewed in order to examine the expression types and characteristics of the bags of the West and East. Next, the definition and characteristics of tassel and fringe decoration in terms of the history of clothing were analyzed. Finally, the expression types and aesthetic formativeness of tassels and fringe were derived through the analysis of modern bag design shown in the fashion collections since 2010. The bags decorated with the tassels and fringe bring a variety of visual effects depending on the attachment position, direction and material composition, concentrating the gaze and radiating original style. In this study, the expression of tassels and fringe in modern bag design was classified into three types: surface decoration, shape variability, and object combination. Next, the aesthetic formativeness of modern bag design using tassels and fringe as decorative elements appeared through the mixture of heterogeneous materials and playfulness through imagination, exaggeration through extension of length and volume, and retro characteristics through reinterpretation of tradition. This study is expected to contribute to creative ideas of modern bag design which requires a global sense, which has been used in various cultures for a long time.

Application Types and Meanings of Fashion Engineering in Fashion Brand CuteCircuit (패션 브랜드 CuteCircuit에 나타난 패션 공학의 적용 유형과 의미)

  • Kim, Jang-Hyeon;Kim, Young-Sam
    • Fashion & Textile Research Journal
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    • v.20 no.3
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    • pp.245-256
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    • 2018
  • This study considers application types and meanings of fashion engineering by analyzing CuteCircuit. The conclusions of this study are as follows. The application type of fashion engineering shown in CuteCircuit is first, electronic fashion, which attaches LED or WL on the surface of clothes to express the decorative function in clothes as optical light change, ultimately performing one-dimensional function. Second, interactive fashion is a medium in which clothing connects human beings with other human beings with sensors that can recognize the changes in tactile or movement with the wearer or with a light source that can visualize the emotional changes of the wearer. Third, scientific fashion has emerged as a new type of fashion in which new materials introduced in the field of engineering are fused with clothing to expand functionality and aesthetics. The meanings of fashion engineering in CuteCircuit is first, trying to conceptualize a new beauty as an open fashion that can freely change with the creation of a dual beauty by combining analog and digital sensibility. Second is the external representation of human psychological change or emotional exchange, which helps to form a consensus by understanding and exchanging emotions of different people. Third, reorganization of apparel pursuing integrated value appeared. Clothing, as a connection body in which the human body and the mechanical environment are combined with each other, is reestablished as a product of variable body that can embody an integrated value that includes various characteristics and can be diversified appropriately in any circumstance.

Complication rates and patient satisfaction with removable dentures

  • Bilhan, Hakan;Erdogan, Ozge;Ergin, Selen;Celik, Melahat;Ates, Gokcen;Geckili, Onur
    • The Journal of Advanced Prosthodontics
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    • v.4 no.2
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    • pp.109-115
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    • 2012
  • PURPOSE. The purpose of this clinical study was to evaluate the frequency and type of prosthetic complications in relation to type and properties of removable dentures and to investigate the influence of these complications and several data about the existing dentures on patient satisfaction. MATERIALS AND METHODS. Ninety nine patients (44 males and 55 females) wearing removable dentures have been included in the study. The complications of the patients were recorded; patient satisfaction was determined with a Visual Analog Scale (VAS) and the relationship of complications and patient satisfaction with several data about the dentures such as denture age, type of denture, centric relation and vertical dimension was investigated. Kruskal Wallis, Mann Whitney U and Chi square tests were used for statistical analyses. The results were evaluated statistically at a significance level of $P$ <.05. RESULTS. Need for addition of artificial teeth for dentures with correct centric relations was found to be significantly lower than dentures with wrong centric relations ($P$ <.01). Loss of retention, ulcerations and high vertical dimension affected the VAS chewing ability scores negatively and ulcerations affected the VAS phonation scores negatively ($P$ <.05). CONCLUSION. Considering the results of this study, it can be concluded that loss of retention, ulcerations and high vertical dimension caused patient dissatisfaction. Additionally, dentures with wrong centric relations caused need for addition of artificial teeth.

Open Versus Arthroscopic Technique in the Traumatic Recurrent Anterior Dislocation of the Shoulder (견관절 전방 재발성 탈구에 대한 관혈적 술식과 관절경적 술식의 결과 비교)

  • Kyung, Hee-Soo;Jeon, In-Ho;Kim, Sung-Jung;Yeo, Jun-Young
    • Clinics in Shoulder and Elbow
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    • v.5 no.2
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    • pp.110-117
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    • 2002
  • Purpose: We compared the results of open and arthroscopic Bankart repair in traumatic recurrent anterior dislocation ,3f the shoulder. Materials and methods: We analysed 7 cases underwent open Bankart repair (group I) and 13 cases underwent arthroscopic Bankart repair (group Ⅱ). The average follow-up period was 68.1 months (51-113 months) in group I and 41.1 months (16~57 months) in group Ⅱ. All patients in group I and Ⅱ were non-athletes. We analyzed statistically objective evaluation, such as the stability of shoulder joint, the range of motion, pain, impaired throwing, Bankart rating system by Rowe and subjective evaluation, visual analog scale (VAS) between two groups. Results: In terms of dominant and non-dominant shoulders, the age at initial episode of dislocation, the elapsed time from injury to surgery, the number of preoperative dislocations associated with susceptibility to apprehension. respectively, there was no statistically significant differences between two groups. In group I the average Rowe's scortls was 84.3 and 3 cases (43%) had excellent results,4 cases (S7cfo), good ones. In group H the average Rowe's scores was 87.3 and 7 cases (54%) had excellent results,6 cases, good ones. There was tendency to show more excellent results in group ll, but there was no statistically significant differences. The average VAS were 90.3 points in group I and 88 points in group Ⅱ, which showed also no statistically significant differences. Conclusion: Open and arthroscopic Bankart repairs had no significant difference and showed also good results in travinatic recurrent anterior dislocation of shoulder.

Effectiveness of Temporal Augmentation Using a Calvarial Onlay Graft during Pterional Craniotomy

  • Kim, Yoon Soo;Yi, Hyung Suk;Kim, Han Kyu;Han, Yea Sik
    • Archives of Plastic Surgery
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    • v.43 no.2
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    • pp.204-209
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    • 2016
  • Temporal hollowing occurs to varying degrees after pterional craniotomy. The most common cause of temporal hollowing is a bony defect of the pterional and temporal regions due to the resection of the sphenoid ridge and temporal squama for adequate exposure without overhang. The augmentation of such bony defects is important in preventing craniofacial deformities and postoperative hollowness. Temporal cranioplasty has been performed using a range of materials, such as acrylics, porous polyethylene, bone cement, titanium, muscle flaps, and prosthetic dermis. These methods are limited by the risk of damage to adjacent tissue and infection, a prolonged preparation phase, the possibility of reabsorption, and cost inefficiency. We have developed a method of temporal augmentation using a calvarial onlay graft as a single-stage neurosurgical reconstructive operation in patients requiring craniotomy. In this report, we describe the surgical details and review our institutional outcomes. The patients were divided into pterional craniotomy and onlay graft groups. Clinical temporal hollowing was assessed using a visual analog scale (VAS). Temporal soft tissue thickness was measured on preoperative and postoperative computed tomography (CT) studies. Both the VAS and CT-based assessments were compared between the groups. Our review indicated that the use of an onlay graft was associated with a lower VAS score and left-right discrepancy in the temporal contour than were observed in patients undergoing pterional craniotomy without an onlay graft.

Ultrasound-Guided Proliferative and Local Steroid Injection for Subacromial Bursitis (견봉하 점액낭염에서 초음파 하 증식과 국소 스테로이드 병합 주사 요법)

  • Nam, Ki Young;Moon, Young Lae
    • The Journal of Korean Orthopaedic Ultrasound Society
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    • v.1 no.1
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    • pp.6-9
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    • 2008
  • Purpose: To investigate the effectiveness of injection therapy in the treatment of subacromial bursitis. Materials and Methods: A total of 38 patients with sonographic confirmation of subacromial bursitis were recruited into this study. The shoulder abduction range of motion and visual analog scale (VAS) were compared before injections and 3 wks after the completion of injections. Results: The shoulder range of abduction before injection was $77.89{\pm}14.17$ degrees and improved to $148.68{\pm}13.39$ degrees 3 wks after the injection treatments (P<0.05). VAS before injection was $6.8{\pm}1.4$ and improved to $1.4{\pm}0.8$ 3 wks after the injection treatments (P<0.05). Conclusions: Ultrasound may be used as an adjuvant tool in guiding the needle accurately into the inflamed subacromial bursa. The ultrasound-guided injection technique can result in significant improvement in shoulder abduction range of motion in treating patients with subacromial bursitis.

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Influencing factor on the prognosis of arthrocentesis

  • Kim, Yoon Ho;Jeong, Tae Min;Pang, Kang Mi;Song, Seung Il
    • Journal of the Korean Association of Oral and Maxillofacial Surgeons
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    • v.40 no.4
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    • pp.155-159
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    • 2014
  • Objectives: The purpose of this article is to evaluate factors influencing prognosis of arthrocentesis in patients with temporomandibular joint (TMJ) disorder. Materials and Methods: The subjects included 145 patients treated with arthrocentesis at the Dental Center of Ajou University Hospital from 2011 to 2013 for the purpose of recovering mouth opening limitation (MOL) and pain relief. Prognosis of arthrocentesis was evaluated 1 month after the operation. Improvement on MOL was defined as an increase from below 30 mm (MOL ${\leq}30mm$) to above 40 mm (MOL ${\geq}40mm$), and pain relief was defined as when a group with TMJ pain with a visual analog scale (VAS) score of 4 or more (VAS ${\geq}4$) decreased to a score of 3 or more. The success of arthrocentesis was determined when either mouth opening improved or pain relief was fulfilled. To determine the factors influencing the success of arthrocentesis, the patients were classified by age, gender, diagnosis group (the anterior disc displacement without reduction group, the anterior disc displacement with reduction group, or other TMJ disorders group), time of onset and oral habits (clenching, bruxism) to investigate the correlations between these factors and prognosis. Results: One hundred twenty out of 145 patients who underwent arthrocentesis (83.4%) were found to be successful. Among the influencing factors mentioned above, age, diagnosis and time of onset had no statistically significant correlation with the success of arthrocentesis. However, a group of patients in their fifties showed a lower success rate (ANOVA P=0.053) and the success rate of the group with oral habits was 71% (Pearson's chi-square test P=0.035). Conclusion: From this study, we find that factors influencing the success of arthrocentesis include age and oral habits. We also conclude that arthrocentesis is effective in treating mouth opening symptoms and for pain relief.

Chronic Lateral Ankle Instability: Efficacy of Combination of Ankle Arthroscopic Exploration and Modified Brostrom Operation (족관절 외측 불안정성 재건 시 시행하는 탐험적 관절경의 유용성)

  • Lee, Kyung-Tai;Kim, Jin-Su;Young, Ki-Won;Park, Young-Uk;Kim, Jun-Beom;Kim, Tae-Won;Jo, Jae-Ho
    • Journal of Korean Foot and Ankle Society
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    • v.14 no.2
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    • pp.123-129
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    • 2010
  • Purpose: To evaluate the efficacy of the arthroscopic exploration combined with modified Brostrom operation (MBO) for the treatment of chronic lateral ankle instability (CAI). Materials and Methods: Sixty patients who diagnosed a CAI were performed MBO. We divided to 2 groups, whether simultaneously inspected by arthroscopy (group B) or not (group A). The both group's results were compared according to American Orthopedic Foot and Ankle Society Ankle-hindfoot score (AOFAS), functional ankle score and visual analog scale (VAS) at preoperative and final follow-up period. Results: There were no significant differences of AOFAS, functional ankle score and VAS between both groups at final follow-up. However, in group A, 2 cases associated with medial ankle instability and syndesmotic injuries were did not diagnosed preoperatively, showed poor prognosis. In group B, one case had a permanent peroneal nerve symptom. The match rate of intra-articular lesions between preoperative diagnosis and postoperative arthroscopic diagnosis was 30% in group B. Conclusion: Combination of arthroscopic exploration and MBO is effective strategy for intra-operatively discrimination of intra-articular associated lesions for CAI.

Ankle Lesions, Associated with Anterior Soft Tissue Impingement (전방 연부조직 충돌과 동반된 족관절 병변)

  • Sung, Il-Hoon;Kim, Suk-Hwan;Shim, Kyu-Dong;Lee, Jun-Hwan;Kang, Chang-Nam
    • Journal of Korean Foot and Ankle Society
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    • v.14 no.2
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    • pp.115-118
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    • 2010
  • Purpose: To evaluate clinical features of ankle lesions, associated with anterior soft tissue impingement. Materials and Methods: We retrospectively reviewed 21 patients who had chronic anterior ankle pain as initial symptom and associated ankle lesions with anterior soft tissue impingement. Based on preoperative radiologic findings, physical examination intra-operative findings, appropriate procedures were done for lesions by either arthroscopic or minimal open procedure or combined. Clinical evaluation was done using American Orthopedic Foot and Ankle Society, ankle-hind foot score (AOFAS score) and visual analog scale (VAS) on last follow up. Results: Associated lesion(s) to anterior soft tissue impingement of the ankle were 16 cases of osteochondral lesion of talus, 14 cases of bony impingement, 6 cases of ankle lateral instability, 5 cases of loose body, 4 cases of os subfibulare. AOFAS score was $58.9\;{\pm}\;5.1$ preoperatively and $74\;{\pm}\;9.1$ on last follow up. Clinical satisfaction score using VAS showed excellent in 3 cases, good in 11, fair in 3, poor in 4. Conclusion: The patients who had anterior soft tissue impingement would have various associated lesions on their ankle. In such cases, preoperative counseling for variety of postoperative results would be needed.