Determination of resin cure using infrared analysis without an internal standard

Research output: Contribution to journalArticle

24 Citations (Scopus)

Abstract

Objectives. The purpose of this study was to develop a methodology whereby the monomer conversion of dental restorative resins which contain no functional group acting as an internal standard can be easily using infrared spectroscopy. Methods. Calibration solutions of MMA were made from which the quantification of weight percent methacrylate groups (CH2C(CH3CO) termed (WPMG) could be determined using infrared spectroscopy. The extent of resin cure using the WPMG method consisted of calculating the changes in WPMG pre- and post-cure. The extent of cure of a commercial unfilled bonding resin was calculated using infrared methods utilizing the internal aromatic standard, and also by means of WPMG. Results. WPMG had an identical optical constant for a wide range of monomers: MMA, TEGDMA, EGDMA, HEMA. The extent of monomer conversion using both methods of analysis indicated statistically equivalent results: 75.2 ± 1.0% using an internal standard, and 76.0 ± 1.1% using WPMG. Significance. The methods developed in this study using infrared spectroscopic methods facilitate the determination of cure of dental resins which do not have functional groups to serve as internal standards.

Original languageEnglish (US)
Pages (from-to)282-286
Number of pages5
JournalDental Materials
Volume10
Issue number4
DOIs
StatePublished - Jan 1 1994

Fingerprint

Resins
Infrared radiation
Monomers
Synthetic Resins
Functional groups
Infrared spectroscopy
Optical constants
Methacrylates
Spectrum Analysis
Calibration
Weights and Measures

ASJC Scopus subject areas

  • Materials Science(all)
  • Dentistry(all)
  • Mechanics of Materials

Cite this

Determination of resin cure using infrared analysis without an internal standard. / Rueggeberg, Frederick.

In: Dental Materials, Vol. 10, No. 4, 01.01.1994, p. 282-286.

Research output: Contribution to journalArticle

@article{c5f753e6674b4eadb70c001536f30050,
title = "Determination of resin cure using infrared analysis without an internal standard",
abstract = "Objectives. The purpose of this study was to develop a methodology whereby the monomer conversion of dental restorative resins which contain no functional group acting as an internal standard can be easily using infrared spectroscopy. Methods. Calibration solutions of MMA were made from which the quantification of weight percent methacrylate groups (CH2C(CH3CO) termed (WPMG) could be determined using infrared spectroscopy. The extent of resin cure using the WPMG method consisted of calculating the changes in WPMG pre- and post-cure. The extent of cure of a commercial unfilled bonding resin was calculated using infrared methods utilizing the internal aromatic standard, and also by means of WPMG. Results. WPMG had an identical optical constant for a wide range of monomers: MMA, TEGDMA, EGDMA, HEMA. The extent of monomer conversion using both methods of analysis indicated statistically equivalent results: 75.2 ± 1.0{\%} using an internal standard, and 76.0 ± 1.1{\%} using WPMG. Significance. The methods developed in this study using infrared spectroscopic methods facilitate the determination of cure of dental resins which do not have functional groups to serve as internal standards.",
author = "Frederick Rueggeberg",
year = "1994",
month = "1",
day = "1",
doi = "10.1016/0109-5641(94)90076-0",
language = "English (US)",
volume = "10",
pages = "282--286",
journal = "Dental Materials",
issn = "0109-5641",
publisher = "Elsevier Science",
number = "4",

}

TY - JOUR

T1 - Determination of resin cure using infrared analysis without an internal standard

AU - Rueggeberg, Frederick

PY - 1994/1/1

Y1 - 1994/1/1

N2 - Objectives. The purpose of this study was to develop a methodology whereby the monomer conversion of dental restorative resins which contain no functional group acting as an internal standard can be easily using infrared spectroscopy. Methods. Calibration solutions of MMA were made from which the quantification of weight percent methacrylate groups (CH2C(CH3CO) termed (WPMG) could be determined using infrared spectroscopy. The extent of resin cure using the WPMG method consisted of calculating the changes in WPMG pre- and post-cure. The extent of cure of a commercial unfilled bonding resin was calculated using infrared methods utilizing the internal aromatic standard, and also by means of WPMG. Results. WPMG had an identical optical constant for a wide range of monomers: MMA, TEGDMA, EGDMA, HEMA. The extent of monomer conversion using both methods of analysis indicated statistically equivalent results: 75.2 ± 1.0% using an internal standard, and 76.0 ± 1.1% using WPMG. Significance. The methods developed in this study using infrared spectroscopic methods facilitate the determination of cure of dental resins which do not have functional groups to serve as internal standards.

AB - Objectives. The purpose of this study was to develop a methodology whereby the monomer conversion of dental restorative resins which contain no functional group acting as an internal standard can be easily using infrared spectroscopy. Methods. Calibration solutions of MMA were made from which the quantification of weight percent methacrylate groups (CH2C(CH3CO) termed (WPMG) could be determined using infrared spectroscopy. The extent of resin cure using the WPMG method consisted of calculating the changes in WPMG pre- and post-cure. The extent of cure of a commercial unfilled bonding resin was calculated using infrared methods utilizing the internal aromatic standard, and also by means of WPMG. Results. WPMG had an identical optical constant for a wide range of monomers: MMA, TEGDMA, EGDMA, HEMA. The extent of monomer conversion using both methods of analysis indicated statistically equivalent results: 75.2 ± 1.0% using an internal standard, and 76.0 ± 1.1% using WPMG. Significance. The methods developed in this study using infrared spectroscopic methods facilitate the determination of cure of dental resins which do not have functional groups to serve as internal standards.

UR - http://www.scopus.com/inward/record.url?scp=0028476431&partnerID=8YFLogxK

UR - http://www.scopus.com/inward/citedby.url?scp=0028476431&partnerID=8YFLogxK

U2 - 10.1016/0109-5641(94)90076-0

DO - 10.1016/0109-5641(94)90076-0

M3 - Article

VL - 10

SP - 282

EP - 286

JO - Dental Materials

JF - Dental Materials

SN - 0109-5641

IS - 4

ER -