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Titolo:
NOVEL HYDROXYAPATITE-BASED DENTAL COMPOSITES
Autore:
LABELLA R; BRADEN M; DEB S;
Indirizzi:
EASTMAN HOSP,INST DENT,JOINT DEPT BIOMAT SCI,TURNER ST LONDON E1 2AD ENGLAND LONDON HOSP,INST DENT,JOINT DEPT BIOMAT SCI LONDON E1 2AD ENGLAND UNIV LONDON,IRC BIOMED MAT LONDON ENGLAND UNIV LONDON,UNIV LONDON QUEEN MARY & WESTFIELD COLL LONDON E1 4NS ENGLAND
Titolo Testata:
Biomaterials
fascicolo: 15, volume: 15, anno: 1994,
pagine: 1197 - 1200
SICI:
0142-9612(1994)15:15<1197:NHDC>2.0.ZU;2-0
Fonte:
ISI
Lingua:
ENG
Keywords:
DENTAL COMPOSITES; HYDROXYAPATITE; ACRYLIC RESINS; TETRAHYDROFURFURYL METHACRYLATE;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Science Citation Index Expanded
Science Citation Index Expanded
Citazioni:
8
Recensione:
Indirizzi per estratti:
Citazione:
R. Labella et al., "NOVEL HYDROXYAPATITE-BASED DENTAL COMPOSITES", Biomaterials, 15(15), 1994, pp. 1197-1200

Abstract

Newly designed composite resins for dental applications have been studied. The matrix phases were based on 2,2 bis-4(2-hydroxy-3-methacryloyloxypropoxy)phenyl propane and a urethane dimethacrylate. Tetrahydrofurfuryl methacrylate was added as a diluent to both dimethacrylates ina proportion of 30 wt%. Heat-cured composite resins were obtained with filler weight fractions of 60% and 67%. After surface treating hydroxyapatite powder with a silane coupling agent, filler contents of 60%,67% and 80% were employed. These materials were then evaluated for Young's modulus, flexural strength, diametral tensile strength and Vickers hardness. With the exception of Young's modulus, all mechanical properties of the tested materials were significantly improved when a silanized hydroxyapatite filler had been used.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 04/12/20 alle ore 20:08:16