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임플란트 지대주 형태와 시멘트 종류에 따른 전부주조금관의 유지력 비교

 정재욱  ;  김지환  ;  김선재  ;  문홍석  ;  심준성 
 대한치과턱관절기능교합학회지, Vol.25(4) : 403-415, 2009 
Journal Title
Issue Date
Convergence angle ; abutment length ; dental implant cement ; retention ; tensile force ; metal die
The purpose of the study is to establish the effect of different abutment shapes and types of cements on the retention of the full veneer casted gold crowns. Metal dies that has the similar shape with the implant abutment were manufactured using a short(5mm) and long(10mm) dies with different convergence angles. Metal dies and gold crowns, which were made from the metal dies, were cemented with Temp-bond, Temp-bond mixed with petroleum jelly, ZPC and Premier implant cement. After that, these were tested for tensile force at the point of separation. The effect of convergence angle changes of different cement types on the retention was studied as well as the effects of the cement type changes with different convergence angles on the retention. In addition, study about the marginal gap of Premier implant cement used for this experiment was conducted. The results are as followed under the in-vitro experimental limits; 1. The retention of the Temp-bond mixed with petroleum jelly decreased as the convergence angle increased, and the retention was weakest among the cements. 2. The retention of ZPC decreased as convergence angle increased. When convergence angle was 5 degrees, ZPC showed stronger retention than Premier implant cement. 3. Premier implant cement had the weakest retention when the convergence angle was 5 degrees but when the convergence angle was 10 degrees, it had the strongest retention. As the angle increased more than 10 degrees, the retention decreased. 4. Premier implant cement showed bigger marginal gap when the convergence angle was 5 degrees than 10 degrees under the experimental condition
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2. College of Dentistry (치과대학) > Dept. of Prosthodontics (보철과학교실) > 1. Journal Papers
Yonsei Authors
Kim, Sun Jai(김선재) ORCID logo https://orcid.org/0000-0002-0828-8008
Kim, Jee Hwan(김지환) ORCID logo https://orcid.org/0000-0002-0872-4906
Moon, Hong Seok(문홍석) ORCID logo https://orcid.org/0000-0001-8118-8145
Shim, June Sung(심준성) ORCID logo https://orcid.org/0000-0003-1428-0122
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