Comparison of laser- and bur-prepared class I cavities restored with two different low-shrinkage composite resins: a randomized, controlled 60-month clinical trial

Dilsad, O Z Fatma; Ergin, Esra; Attar, Nuray; Gürgan, Sevil

doi:10.1007/s00784-019-02931-y

Cited by 10 publications

(3 citation statements)

References 44 publications

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“…This was accompanied with copious amount of water as recommended by the manufacturer. Caries was excavated by moving the fiber tip gently in a circular or brushing motion in and-out motion, in a1.5 mm distance away from the cavity (a non-contact method) 23 (Fig. 1 D-1,D-2).…”

Section: Methodsmentioning

confidence: 99%

An in vitro assessment of the residual dentin after using three minimally invasive caries removal techniques

Al-Sagheer,

Addie,

Al-Taee

2024

Sci Rep

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To evaluate the efficiency and effectiveness of three minimally invasive (MI) techniques in removing deep dentin carious lesions. Forty extracted carious molars were treated by conventional rotary excavation (control), chemomechanical caries removal agent (Brix 3000), ultrasonic abrasion (WOODPECKER, GUILIN, China); and Er, Cr: YSGG laser ablation (BIOLASE San Clemente, CA, USA). The assessments include; the excavation time, DIAGNOdent pen, Raman spectroscopy, Vickers microhardness, and scanning electron microscope combined with energy dispersive X-ray spectroscopy (SEM–EDX). The rotary method recorded the shortest excavation time (p < 0.001), Brix 3000 gel was the slowest. DIAGNOdent pen values ranged between 14 and 18 in the remaining dentin and laser-ablated surfaces recorded the lowest reading (p < 0.001). The Ca:P ratios of the remaining dentin were close to sound dentin after all excavation methods; however, it was higher in the ultrasonic technique (p < 0.05). The bur-excavated dentin showed higher phosphate and lower matrix contents with higher tissue hardness that was comparable to sound dentin indicating the non-selectiveness of this technique in removing the potentially repairable dentin tissue. In contrast, the MI techniques exhibited lower phosphate and higher organic contents associated with lower microhardness in the deeper dentin layers. This was associated with smooth residual dentin without smearing and patent dentinal tubules. This study supports the efficiency of using MI methods in caries removal as conservative alternatives to rotary excavation, providing a promising strategy for the clinical dental practice.

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Section: Methodsmentioning

confidence: 99%

An in vitro assessment of the residual dentin after using three minimally invasive caries removal techniques

Al-Sagheer,

Addie,

Al-Taee

2024

Sci Rep

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show abstract

“…This was accompanied with copious amount of water as recommended by the manufacturer. Caries was excavated by moving the ber tip gently in a circular or brushing motion in and-out motion, in a1.5 mm distance away from the cavity (a non-contact method) 20 (Fig. <link rid=" g1">1</link>, D-1, D-2).…”

Section: Sample Preparationmentioning

confidence: 99%

An in vitro assessment of the residual dentin after using three minimally invasive caries removal techniques

Al-Sagheer,

Al-Taee

2023

Preprint

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To evaluate the efficiency and effectiveness of three minimally invasive MI caries removal techniques for removing deep dentin carious lesions. Forty extracted carious molars were treated by conventional rotary excavation (control), chemomechanical agent (Brix 3000), ultrasonic abrasion (Woodpecker, Guilin, China); and Er, Cr: YSGG laser (Biolase™ San Clemente, CA). The assessments include; the excavation time, Diagnodent pen, Raman spectroscopy, Vickers microhardness, and scanning electron microscope combined with energy dispersive X-ray spectroscopy (SEM-EDX). The rotary method recorded the shortest excavation time (p < 0.000), Brix 3000 gel was the slowest. All techniques removed the infected tissues completely as the Diagnodent pen readings were < 20 and laser-ablated surfaces recorded the lowest reading. The bur-excavated dentin showed higher phosphate and lower matrix contents with higher tissue hardness that were comparable to sound dentin indicating the non-selectiveness of this technique in removing the potentially repairable dentin tissue. In contrast, the MI techniques exhibited lower phosphate and higher organic contents associated with lower microhardness in the deeper dentin layers. This was associated with smooth residual dentin without smearing and patent dentinal tubules. This study supports the efficiency of these MI methods to be a conservative alternative to rotary excavation, providing a promising strategy for the clinical dental practice.

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“…Polymerization shrinkage can be reduced by using of low shrinkage monomers, decreasing monomer percentages, using prepolymerized fillers and reducing the amount of covalent bonds established during polymerization (Pitel, 2013). Unlike conventional methacrylate based composites, special monomers have been developed to produce low shrink resin composite systems (Fatma Dilsad, Ergin, Attar, & Gurgan, 2020). Kalore (GC Corporation, Tokyo, Japan) is a methacrylate‐based composite that includes dimethacrylate urethane (UDMA) and DX‐511 monomer whereas Charisma Diamond (Heraeus Kulzer, Hanau, Germany) contains tricyclodecane (TCD)‐urethane.…”

Section: Introductionmentioning

confidence: 99%

Evaluation of surface characteristic and bacterial adhesion of low‐shrinkage resin composites

Can

Dündar

Barutçugil

et al. 2021

Microscopy Res & Technique

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This study aimed to examine the surface characteristics of low shrinkage composites and adhesion of Streptococcus mutans and Streptococcus mitis to these materials.Control material (glass) and three low shrinkage composites (Charisma Diamond, Kalore GC, Beatiful II LS) were used. After polishing procedure was applied to composite specimens, surface roughness (SR), surface free energy (SFE), and contact angle measurements were performed. Surfaces of composite were analyzed using scanning electron microscope and energy-dispersive X-ray spectroscopy. After pellicle formation with artificial saliva, S. mutans and S. mitis biofilms were incubated in 5% CO 2 for 24 h at 37 C and were analyzed using confocal laser scanning microscopy. The lowest SR and highest SFE values were found in the control group. While the contact angle of control was statistically lower than composites, statistically difference was not found between composite groups. S. mutans adhesion of composites was significantly lower than control group, but there was no significant difference between composites. S. mitis adhesion of all groups was statistically similar. SR did not affect the S. mutans and S. mitis adhesion. Less adherence of S. mutans to low shrinkage composites was associated with low SFE and high contact angle values.Even though the highest SR was observed in the Charisma Diamond, no difference was found between the composites in terms of bacterial adhesion.

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Comparison of laser- and bur-prepared class I cavities restored with two different low-shrinkage composite resins: a randomized, controlled 60-month clinical trial

Cited by 10 publications

References 44 publications

An in vitro assessment of the residual dentin after using three minimally invasive caries removal techniques

An in vitro assessment of the residual dentin after using three minimally invasive caries removal techniques

An in vitro assessment of the residual dentin after using three minimally invasive caries removal techniques

Evaluation of surface characteristic and bacterial adhesion of low‐shrinkage resin composites

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