Review of titanate coupling agents and their application for dental composite fabrication

Nidal Wanis Elshereksi, Mariyam Jameelah Ghazali, Andanastuti Muchtar, Che Husna Azhari

Research output: Contribution to journalReview article

5 Citations (Scopus)

Abstract

Silane is a dominant coupler that is widely used in dentistry to promote adhesion among the components of dental composites. Silica-based fillers can be easily silanized because of their similarly ordered structure. However, silane is hydrolytically degraded in the aqueous oral environment and inefficiently bonds to non-silica fillers. Thus, the development of hydrolytically stable dental composites is an important objective in the research on dental materials. Titanate coupling agents (TCAs) exhibit satisfactory interfacial bonding, enhanced homogeneous filler dispersion, and improved mechanical properties of the composites. Titanates also provide superior hydrolytic stability in wet environments, which should be considered in fabricating dental composites. The addition of a small amount of titanates can improve the resistance of the composites to moisture. This paper reviews the effects of the instability of silanes in moisture on the performance of dental composites and presents TCAs as alternative couplers to silanes for fabricating dental composites.

Original languageEnglish
Pages (from-to)539-552
Number of pages14
JournalDental Materials Journal
Volume36
Issue number5
DOIs
Publication statusPublished - 2017

Fingerprint

Dental composites
Coupling agents
Silanes
Tooth
Fabrication
Fillers
Moisture
Dental materials
Dentistry
Dental Materials
Composite materials
Silicon Dioxide
Adhesion
Silica
Mechanical properties
Research

Keywords

  • Aqueous oral environment
  • Dental composite
  • Hydrolytic degradation
  • Silane coupling agent
  • Titanate coupling agent

ASJC Scopus subject areas

  • Ceramics and Composites
  • Dentistry(all)

Cite this

Review of titanate coupling agents and their application for dental composite fabrication. / Elshereksi, Nidal Wanis; Ghazali, Mariyam Jameelah; Muchtar, Andanastuti; Azhari, Che Husna.

In: Dental Materials Journal, Vol. 36, No. 5, 2017, p. 539-552.

Research output: Contribution to journalReview article

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AU - Ghazali, Mariyam Jameelah

AU - Muchtar, Andanastuti

AU - Azhari, Che Husna

PY - 2017

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N2 - Silane is a dominant coupler that is widely used in dentistry to promote adhesion among the components of dental composites. Silica-based fillers can be easily silanized because of their similarly ordered structure. However, silane is hydrolytically degraded in the aqueous oral environment and inefficiently bonds to non-silica fillers. Thus, the development of hydrolytically stable dental composites is an important objective in the research on dental materials. Titanate coupling agents (TCAs) exhibit satisfactory interfacial bonding, enhanced homogeneous filler dispersion, and improved mechanical properties of the composites. Titanates also provide superior hydrolytic stability in wet environments, which should be considered in fabricating dental composites. The addition of a small amount of titanates can improve the resistance of the composites to moisture. This paper reviews the effects of the instability of silanes in moisture on the performance of dental composites and presents TCAs as alternative couplers to silanes for fabricating dental composites.

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