Glass Ionomers for Direct Bonding: An <i>In Vitro</i> Assessment

Tavas, M. A.; Salem, Nabil

doi:10.1179/bjo.17.3.223

Cited by 18 publications

(3 citation statements)

References 13 publications

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“…The present study indicated that composite resins have a significantly higher bond strength 6.324 ± 0.795 MPa (for I hour) and 9.842 ± 1.058 MPa (for 24 hours) than either of the glass ionomer cements 7,8 Fuji Ortho (conditioned) has recorded bond strengths of 4.774 ± 0.786 MPa (for 1 hour) and 6.993 ± 1.281 MPa (for 24 hours) and Fuji Ortho (unconditioned) recorded a bond strength of 3.092 ± 0.572 Mpa (for 1 hour) and 4.047 ± 0.729 MPa (for 24 hours). 9 Fuji I (conditioned) has shown a slightly more (but statistically not significant) bond strength of 1.714 ± 0.407 MPa (for 1 hour) and 2.467 ± 0.297 MPa (for 24 hours) Pretreatment of enamel surfaces improved the magnitude of adhesion of glass ionomers, 10,11 though not significantly but the present study is not in agreement with the findings 12,13 who reported pretreatment of enamel with polyacrylic acid did not improve the bond strength of glass ionomers.…”

Section: Discussioncontrasting

confidence: 76%

Comparison of Shear Bond Strength of Resin Reinforced Chemical Cure Glass Ionomer, Conventional Chemical Cure Glass Ionomer and Chemical Cure Composite Resin in Direct Bonding Systems: An in vitro Study

Ks¹,

Tp²,

Yugandhar³

et al. 2013

The Journal of Contemporary Dental Practice

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The acid pretreatment and use of composite resins as the bonding medium has disadvantages like scratching and loss of surface enamel, decalcification, etc. To overcome disadvantages of composite resins, glass ionomers and its modifications are being used for bonding. The study was conducted to evaluate the efficiency of resin reinforced glass ionomer as a direct bonding system with conventional glass ionomer cement and composite resin. The study showed that shear bond strength of composite resin has the higher value than both resin reinforced glass ionomer and conventional glass ionomer cement in both 1 and 24 hours duration and it increased from 1 to 24 hours in all groups. The shear bond strength of resin reinforced glass ionomer cement was higher than the conventional glass ionomer cement in both 1 and 24 hours duration. Conditioning with polyacrylic acid improved the bond strength of resin reinforced glass ionomer cement significantly but not statistically significant in the case of conventional glass ionomer cement. How to cite this article Rao KS, Reddy TPK, Yugandhar G, Kumar BS, Reddy SNC, Babu DA. Comparison of Shear Bond Strength of Resin Reinforced Chemical Cure Glass Ionomer, Conventional Chemical Cure Glass Ionomer and Chemical Cure Composite Resin in Direct Bonding Systems: An in vitro Study. J Contemp Dent Pract 2013;14(1):21-25.

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Section: Discussioncontrasting

confidence: 76%

Comparison of Shear Bond Strength of Resin Reinforced Chemical Cure Glass Ionomer, Conventional Chemical Cure Glass Ionomer and Chemical Cure Composite Resin in Direct Bonding Systems: An in vitro Study

Ks¹,

Tp²,

Yugandhar³

et al. 2013

The Journal of Contemporary Dental Practice

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“…ing molar bands [Brown, 1989], However, GIC can also be used to attach orthodontic brackets to teeth without the need of acid-ctching the enamel, thus replacing composite resins of Bis-GMA Type [Tavas, 1990]. The avoidance of the etching procedure with its mineral loss could be ad vantageous in many cases.…”

mentioning

confidence: 99%

Fluoride Concentration in Plaque Adjacent to Orthodontic Appliances Retained with Glass lonomer Cement

Hallgren¹,

Oliveby

Twetman³

1993

Caries Res

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The fluoride concentrations in dental plaque adjacent to orthodontic brackets retained with a glass ionomer cement (GIC) or a resin-based composite were investigated using the split-mouth technique. 48-hour plaque was collected at 3, 8, 28 days and 6 months after the onset of orthodontic treatment. The fluoride content of the plaque samples was determined after a microdiffusion procedure with a fluoride-sensitive electrode. Significantly (p < 0.001–0.05) elevated concentrations of fluoride were found in the plaque samples collected adjacent to GlC-retained brackets compared to plaque sampled from composite-retained brackets on all sampling occasions. The results suggest that GIC-bonded brackets in orthodontic treatment may act as local long-term fluoride-releasing devices.

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“…Although conventional glass ionomer cements have shown inferior bond strengths compared to composite resins (12)(13)(14)(15)(16)(17), the recently developed resin-modified glass ionomer cements possess enhanced mechanical and physical properties. They provide clinically acceptable bond strengths if the bonding is performed onto wet enamel surfaces, as reported by a number of in vitro and in vivo studies (18)(19)(20)(21)(22)(23)(24).…”

Section: Introductionmentioning

confidence: 99%

Difference in bonding/debonding chair time between a resin-modified, self-cured glass ionomer cement and a composite resin: a randomized clinical trial

Cacciafesta

2001

Prog Orthod

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The purpose of this study was to compare the bonding and debonding times of orthodontic brackets with a resin‐modified, self‐cured glass ionomer cement to that of a standard composite resin in a split‐mouth study design. The chair time required for these procedures was assessed on 15 consecutive patients (nine females and six males). In this split‐mouth study design, the oral cavity was divided into quadrants. In eight patients, the maxillary left and the mandibular right quadrants were bonded with glass ionomer cement and the remaining quadrants using the control composite resin. In the remaining seven patients, the quadrants were inverted. Thus, 150 brackets with 0.022′′ slots (Orthos, Ormco/“A” Company, Orange, CA) were bonded with the glass ionomer cement (GC Fuji Ortho, GC America Inc., Chicago, IL) and the remaining 150 with a standard composite resin (System 1+, Ormco/“A” Company, Orange, CA). The bonding time was recorded from the end of the initial polishing phase to the bonding of the last bracket for each quadrant. Patients were followed until the end of orthodontic therapy. The debonding time was recorded from the removal of the first bracket to the residual adhesive removal from the last tooth per each quadrant. The mean bonding time per quadrant (five teeth) required with GC Fuji Ortho (1 min, 58 s) was significantly shorter (p<0.05) than that with System 1+ (4 min, 35 s). Within each bonding material, no statistically significant differences were found (p>0.05) between the upper and lower arches. In both arches, System 1+ required a significantly longer (p<0.05) bonding time than GC Fuji Ortho. The mean debonding time per quadrant required for brackets bonded with GC Fuji Ortho (1 min, 5 s) was significantly shorter (p<0.05) than that required for brackets bonded with System 1+ (1 min, 41 s). No statistically significant differences were found (p>0.05) between the upper and lower arches within each bonding material. In both arches, teeth bonded with System 1+ required a significantly longer (p<0.05) debonding time than those bonded with GC Fuji Ortho.

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Glass Ionomers for Direct Bonding: An In Vitro Assessment

Cited by 18 publications

References 13 publications

Comparison of Shear Bond Strength of Resin Reinforced Chemical Cure Glass Ionomer, Conventional Chemical Cure Glass Ionomer and Chemical Cure Composite Resin in Direct Bonding Systems: An in vitro Study

Comparison of Shear Bond Strength of Resin Reinforced Chemical Cure Glass Ionomer, Conventional Chemical Cure Glass Ionomer and Chemical Cure Composite Resin in Direct Bonding Systems: An in vitro Study

Fluoride Concentration in Plaque Adjacent to Orthodontic Appliances Retained with Glass lonomer Cement

Difference in bonding/debonding chair time between a resin-modified, self-cured glass ionomer cement and a composite resin: a randomized clinical trial

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