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편측 후방 치아 잔존시 의치 설계에 따른 지대치지지 조직과 잔존 치조제의 응력 분석에 관한 연구
안광호,정영완,진태호,Ahn, Kwang-Ho,Jung, Young-Wan,Jin, Tai-Ho 대한치과보철학회 1999 대한치과보철학회지 Vol.37 No.2
This study was peformed to investigate the distribution and magnitude of stress at supporting tissue of abutment teeth and residual ridge tissue with remaining unilateral posterior teeth. Four types of removable partial dentures that included clasp retained removable partial denture, attachment retained removable partial denture, telescopic removable partial denture, and swing-lock partial denture were designed, and strain gauge was used for stress analysis. Each prosthesis was subjected to simulated vertical and oblique load. The following conclusions were drawn from this study. 1. The clasp retained removable partial denture generally distributed simulated vertical force more evenly to the supporting structure. 2. The stress at buccal side of 1st premolar was the lowest in swing-lock partial denture and that was highest in attchment retained removable partial denture. The stress at lingual side of 1st premolar was the lowest in telescopic partial denture. 3. In clasp retained removable partial denture, stress was lower at load site and ridge crest at mid-line, but it was higher at 1st premolar area on vertical load. 4. In attachment removable partial denture, stresses at buccal side of 1st premolar. lingual side of 1st premolar on vertical load, and ridge crest at midline on oblique load were higher. 5. In telescopic removable partial denture, stress at lingual side of 1st premolar was the least in all removable partial dentures, but the stress at load site was higher. 6. In swing-lock removable partial denture, stress at buccal side of 1st premolar was the lowest, and stresses at load site and distal end of residual ridge crest were higher.
반복 장착 철거시 CLASP ARM의 길이가 유지력의 변화에 미치는 영향
안광호,동진근,진태호,Ahn, Kwang-Ho,Dong, Jin-Keun,Jin, Tai-Ho 대한치과보철학회 1991 대한치과보철학회지 Vol.29 No.1
This study was designed to investigate the influence of the clasp arm length on the change of retentive force with repeated placement or removal. The author measured the retentive force of Akers clasp and I-bar clasp in the depth of undercut 0.5mm, 0.25mm, respectively, varying the length of clasp arm, that is, 10mm, 14mm, 17mm in Akers clasp and 16mm, 18mm, 20mm in I-bar clasp. The retentive force was measured just before the placement of removal, after 100 times repeated placement or removal, after 300 times repeated placement or removal. The obtained results were as follows : 1. The shorter the clasp arm, the greater retention in Akers clasp and I-bar clasp(p<0.05). 2. There was decreased retentive force of Akers clasp and I-bar clasp after 300 times repeated placement or removal(p.<0.005). 3. The decreasing rate of retentive force in Akers clasp with 10mm was higher than that with 17mm, after 300 times repeated placement or removal, but there was no statistica difference(p>0.05).
아바타에 대한 꾸밈욕구, 아바타동일시 및 사이트 태도와 충성도에 관한 구조적 모형에 관한 연구
안광호 ( Kwang Ho Ahn ),유창조 ( Chang Jo Yoo ),김수현 ( Su Hyun Kim ) 한국소비자학회 2004 소비자학연구 Vol.15 No.2
This study emprically examined antecedents and consequences of identification between Avatar and its` users. This study hypothesized the relationship between needs for actual and ideal self image maintenance through Avatar as antecedents and site attitude and loyalty as consequences of self-identification. To test these structural relationships, this study conducted survey research. The respondents of this survey were 360 teenage users of Avatar and the data were collected thorough on-line and off-line interviews. The results showed that actual & ideal image consistency significantly influenced self-identification, which in turn affected site attitude and loyalty. Our study also showed the moderating role of decoration level. Only in case of users who decorate their Avatars with the various types of options, ideal image consistency significantly influenced self-identification, and self-identification, in turn, influenced site attitude and loyalty.
쇼핑가치가 점포이미지와 인터넷 쇼핑몰에서의 소비자구매의도 간의 관계에 미치는 영향에 관한 연구
안광호 ( Kwang Ho Ahn ),이윤주 ( Yun Ju Lee ) 한국소비자학회 2002 소비자학연구 Vol.13 No.4
The identification of consumer’s shopping motivation and factors that affect store image is important in designing the internet shopping-mall and operating the store. The purpose of this study is to identify the salient store image variables affecting buying intention of internet shoppers and the differential influence of store image variables on the intention to buy according to consumer’s shopping values. Specifically this study is to find major dimensions that influence the attitude toward a internet shopping mall and intention to buy. Then empirically tests that site image variables may have differential impact on the attitude toward internet shopping mall and intention to buy depending upon hedonic value oriented consumers and utilitarian value oriented consumers. Emipircal results show that shopping value orientation is different between male consumers and female consumers such that male consumers have stronger utilitarian shopping value than female consumers have and female consumers have stronger hedonic shopping values. And segmenting the consumers between hedonic value oriented group and utilitarian value oriented group to understand the differential effect of site image variables, this study found that while in utilitarian value oriented group all site image variable but site atmosphere show emipircaly significant, in hedonic value oriented consumer group only store reliability and site atmospheres have significant influence on intention to buy.
안광호(Kwang-Ho Ahn) 인하대학교 산업경제연구소 1993 경상논집 Vol.7 No.-
소비자의 상표선택행위를 이해하기 위하여 많은 모형들이 개발되었다. 본 연구는 Lilien and Kotler의 관여수준에 따른 선택모형의 분류에 따라 상표선택모형을 Stochastic Choice Model과 Logit-type Model로 나누었다. Stochastic Choice Model은 구매 빈도가 높고 저가의 소비용품을 구매하는 소비자들의 상표선택행위를 분석하는데 적절하며, 모형의 추정은 상표전환자료를 이용해 이루어진다. Logit-type Model은 고관여 제품에 대한 선택행위를 이해하는데 보다 적절한 모형이며, 효용 극대화 이론을 토대로 도출된 상표선택모형으로 80년대 이후 마케팅학계에서 폭 넓게 이용되고 있다. 본 연구는 Stochastic Choice Model의 특성, 주요가정 및 한계점을 다룬 후, 대안적 상표선택 모형인 Logit-type Model의 이론적 근거, 가정 및 마케팅에서 많이 적용되는 모형인 MNL model, MNP model, NL model의 특징등을 자세히 논의한다. 결론에서 Stochastic Choice Model과 Logit-type Model의 개선방향을 제시한다.