• 제목/요약/키워드: Crown sleeve coping

검색결과 2건 처리시간 0.014초

Double crown retained RPD의 4년 임상 관찰 (DOUBLE CROWN RETAINED REMOVABLE PARTIAL DENTURE - 4 YEARS IN RETROSPECT)

  • 이석형
    • 대한치과보철학회지
    • /
    • 제42권1호
    • /
    • pp.73-82
    • /
    • 2004
  • Statment of problem : Little in known about the importance of selection of various double crowns as retainer in determining the outcome of treatment with double crown retained removable partial denture. Purpose : To obtain information about the effects and the results of this treatment modality. Material and methods : This study describes 61 double crown retained removable partial dentures worn by 51 patients from Samsung Medical Center, Seoul a time ranging between 6 and 48 months and evaluate occlusal contacts on the denture teeth, denture movement, incidence of denture relining, denture retention, fracture of dentures and abutments, hygiene, residual ridge inflammatory changes, number of lost abutment,. interruption of denture use. Results : One tenth of all the restorations were relined. Restorations in 21 arches fractured repeatedly for various reasons . There was no apparent interrelationship between fractures and the five groups. Conclusion : Good prognoses of removable partial dentures were shown in all groups(Kennedy Classes I, II, III, combination and few remaining abutment).