Clinical, mineral and ultrastructural changes in carious dentin of primary molars after restoration

Chibinski, Ana Cláudia Rodrigues; Wambier, Letícia Maíra; Reis, Alessandra; Wambier, Denise Stadler

doi:10.1111/idj.12219

Cited by 4 publications

(5 citation statements)

References 25 publications

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“…The lower LF readings are associated with the reduction of the bacterial aggregates and their metabolic by-products such as protoporphyrin IX, mesoporphyrin, and coproporphyrin,[33738] but not the mineral content of the dentin. [39] However, the means of LF in the 60-day sample are still far from those reported for sound dentin (which ranges between 3 and 6) and dentin caries (which ranges between 35 and 40).…”

Section: Discussionmentioning

confidence: 99%

“…[25] A possible explanation is that the residual metabolic products are still readable by an LF device even after cavity sealing. [3]…”

Section: Discussionmentioning

confidence: 99%

“…To avoid this, the treatment protocol has changed significantly over time. The complete removal of the carious tissue is no longer recommended because partial caries removal[123] or the sealing of the infected dentin tissue,[45] allows dentin repair, prevents unnecessary tissue loss, and permits the conservative treatment of deep carious lesions. [16]…”

Section: Introductionmentioning

confidence: 99%

“…[891011] After cavity sealing/dental restoration, tissue remineralization,[161213] reduction in bacterial counts,[3141516] and histological dentin reorganization with intertubular dentin thickening and formation of a dense collagen network[6] were reported.…”

Section: Introductionmentioning

confidence: 99%

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The influence of the lining material on the repair of the infected dentin in young permanent molars after restoration: A randomized clinical trial

et al. 2016

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Aim:This study evaluated the impact of liner material on the fluorescence, morphological and mineral characteristics of permanent carious dentin after cavity sealing.Methods:Thirty children (11.0 ± 2.7 years old) presenting at least one active deep carious lesion in permanent molars were selected. Fragments of carious dentin were removed from teeth before lining the cavity (baseline samples) with high-viscosity glass ionomer cement (G1) or an inert material (wax - G2). Cavities were restored with composite resin and reopened 60 days later, and other fragments were removed (60-day sample). The laser fluorescence (LF) readings and morphological and mineral changes of both groups were compared.Results:After 60 days, forty teeth were available for evaluation. Lower LF means were obtained (Wilcoxon signed-rank test; P < 0.05), and enhanced calcium and phosphorus levels were detected for both groups (t-test, P < 0.05). An uptake of fluorine was observed only in G1 (t-test; P < 0.05). Regardless of the group, baseline samples exhibited clear signs of bacterial invasion, and the collagen fibers were exposed; the 60-day samples showed a better-organized tissue with a more compact intertubular dentin.Conclusion:Caries arrestment with dentin reorganization occurs regardless of the lining material placed in contact with the infected dentin.

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Section: Discussionmentioning

confidence: 99%

“…[25] A possible explanation is that the residual metabolic products are still readable by an LF device even after cavity sealing. [3]…”

Section: Discussionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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The influence of the lining material on the repair of the infected dentin in young permanent molars after restoration: A randomized clinical trial

et al. 2016

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“…These techniques keep as much tooth tissue as possible and may reduce or eliminate the need for local anaesthetic injections and drilling. Following effective cavity sealing, the residual underlying bacteria decline in number, and the demineralized tooth structure re-hardens [ 18 ]. Poor composite restoration sealing, however, would allow nutrient and water ingress.…”

Section: Introductionmentioning

confidence: 99%

Renewal MI Dental Composite Etch and Seal Properties

et al. 2022

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This study’s aim was to assess whether the Renewal MI composite can self-etch enamel, seal sound cavities, and stabilize demineralized dentine. Etching was assessed using scanning electron microscopy (SEM). Cavity sealing was quantified using the ISO-11405 dye microleakage test. Demineralized dentine stabilization was evaluated by visualizing resin tag formation, enzyme activity and mineral precipitation at the adhesion interface. Renewal MI provided a mild etching of sound enamel in comparison with 37% phosphoric acid. It provided a comparable seal of sound cavities to Z250/Scotchbond Universal adhesive and a superior seal to Activa, Fuji IX and Fuji II LC. With demineralized dentine, Renewal MI formed 300–400 µm resin tags covering 63% of the adhesion interface compared with 55 and 39% for Z250/Scotchbond and Activa. Fuji IX and Fuji II LC formed no resin tags. A higher tag percentage correlated with lower surface enzyme activity. Unlike Activa and Fuji II LC, Renewal MI promoted mineral precipitation from simulated body fluid, occluding adjacent dentinal tubules within 6 months. These novel etching and sealing properties may facilitate Renewal MI’s application in minimally invasive dentistry.

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Microhardness of sub-restoration dentine in primary molars after carious tissue removal to soft and firm dentine

Phonghanyudh

Thana-olarn

Teanchai

et al. 2021

Pediatric Dental Journal

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Clinical, mineral and ultrastructural changes in carious dentin of primary molars after restoration

Abstract: It is concluded that appropriate cavity sealing can promote beneficial changes in deep carious lesions of primary teeth, even in the presence of infected dentin.

Cited by 4 publications

References 25 publications

The influence of the lining material on the repair of the infected dentin in young permanent molars after restoration: A randomized clinical trial

The influence of the lining material on the repair of the infected dentin in young permanent molars after restoration: A randomized clinical trial

Renewal MI Dental Composite Etch and Seal Properties

Microhardness of sub-restoration dentine in primary molars after carious tissue removal to soft and firm dentine

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