Design of new phosphonic acid monomers for dental adhesives - Synthesis of (meth)acryloxyalkyl 3-phosphonopropionates and evaluation of their adhesion-promoting functions

Kunio Ikemura, Franklin Chi Meng Tay, Nonrihiro Nishiyama, David Henry Pashley, Takeshi Endo

Research output: Contribution to journalArticle

37 Citations (Scopus)

Abstract

The aims of this study were to synthesize new phosphonic acid monomers, and to examine their bonding performance. Four kinds of newly designed phosphonic acid monomers were synthesized, and seven experimental composite-type adhesive resins comprising the synthesized monomers (3 wt%), with BPO/DEPT/BPBA initiator were prepared. Tensile bond strengths of the adhesive resins to enamel and metal were measured with a universal testing machine at a crosshead speed of 1.0 mm/min. The synthesized adhesive monomers were light yellow viscous liquids with 32.5%-49.3% yields, and identified by 1H NMR, IR and elemental analysis to be (meth)acryloxyalkyl 3-phosphonopropionates [R-P (=O) (OH) 2] (5-MPPP, 6-MHPP, 6-AHPP, 10-MDPP). It was found that the newly developed phosphonic acid monomers with BPO/DEPT/BPBA initiator attained strong adhesion to both unetched, ground enamel and sandblasted Ni-Cr alloy with good durability. They exhibited significantly higher bond strengths than conventional phosphorous-containing monomers such as MEPP and VBPA (p <0.01). These findings indicate that the experimental phosphonic acid monomer-containing adhesive resins have potential prosthodontic and orthodontic applications, especially as self-etching, non-rinsing orthodontic adhesive resins.

Original languageEnglish (US)
Pages (from-to)566-575
Number of pages10
JournalDental Materials Journal
Volume25
Issue number3
DOIs
StatePublished - Dec 15 2006

Fingerprint

Dental Cements
Adhesives
Adhesion
Monomers
Acids
Dental Enamel
Resins
Enamels
Prosthodontics
Composite Resins
Tensile Strength
Orthodontics
Metals
Bond strength (materials)
phosphonic acid
Etching
Durability
Nuclear magnetic resonance
Composite materials
Liquids

Keywords

  • Adhesive resin
  • Phosphonic acid monomer
  • Polymerization initiator

ASJC Scopus subject areas

  • Ceramics and Composites
  • Dentistry(all)

Cite this

Design of new phosphonic acid monomers for dental adhesives - Synthesis of (meth)acryloxyalkyl 3-phosphonopropionates and evaluation of their adhesion-promoting functions. / Ikemura, Kunio; Tay, Franklin Chi Meng; Nishiyama, Nonrihiro; Pashley, David Henry; Endo, Takeshi.

In: Dental Materials Journal, Vol. 25, No. 3, 15.12.2006, p. 566-575.

Research output: Contribution to journalArticle

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