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KMID : 0362419950330020231
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Journal of Korean Academy of Prosthodontics
1995 Volume.33 No. 2 p.231 ~ p.239
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JAW RELATION WITH PERMANENT RECORD BASES IN THE EDENTULOUS PATIENTS
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Heo Yun-Seok
Shin Sang-Wan
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Abstract
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When the complete denture is made, the record base for jaw relation is divided into temporary record base and permanent record base. However, The temporary record base include some disadvantages such as, the lackness of intimate contact between model and base, the lackness of retention during the jaw relation registration, When we obtained jaw relation the permanent record bases made from heat curing resin were utilized. We could get several advantages as follows : 1. The permanent record base provided intimate contact between the model and record base. 2. In fabricating occlusal rim on record base, the dimensional change of record base was little because the permanent record base was lesser influenced to thermal change of occlusal rim than the temporary record base. 3. At the stage of jaw relation, the retention of final denture could be early checked. 4. It could be able to get more accurate registration of jaw relation because all procedure were done on the same base during the jaw relation, artificial teeth arrangement, try-in, and final denture construction. 5. Although there was an inconvenience due to double curing procedure, the shrinkage rate in resin polimerization was relatively reduced so that more dimensional stability could be taken
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KEYWORD
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Temporaryrecordbase, permanentrecordbase, jawrelation, restverticaldimension, occlusalverticaldimension
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