Impact of Irradiation on the Adhesive Performance of Resin-Based Dental Biomaterials: A Systematic Review of Laboratory Studies

Eggmann, Florin; Hwang, Jonathan D.; Ayub, Jose M; Mante, Francis K.

doi:10.3390/ma16072580

Cited by 4 publications

(1 citation statement)

References 49 publications

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“…As a consequence, these changes to the collagen and dentin tubules may compromise the dentin bond by affecting the formation of the hybrid layer [45][46][47]. A reduction or loss of resin attachments and thin hybrid layers has been described in a previous investigation [48].…”

Section: Introductionmentioning

confidence: 99%

Bond Strength Evaluation of Universal Adhesives Applied in Self-Etch and Etch-and-Rinse Modus on Sound and High-Level Irradiated Dentin - a Controlled Laboratory Study

Nguyen,

Broscheit,

Vordermark

et al. 2023

Preprint

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Background: Radiotherapy is an important part of the medical therapy concept treating tumors in the head and neck region; however, the impact on the field of dentistry could be im-mense. The objective of this study was to evaluate the microtensile bond strength (µTBS) of uni-versal adhesives and to compare the results of different application modes (etch-and-rinse and self-etch) on irradiated and sound human dentin. Methods: Dentin specimen of 180 extracted human wisdom teeth were divided in two superordinate groups. Ninety teeth received either no irradiation (control group) or the high-level therapeutic dose of 60 Gy (test group) applied frac-tionally (2 Gy/day, 5 days/week, 6 weeks). Samples from each group were randomly divided in-to six subgroups assigned to three established universal adhesives (Futurabond® U, VOCO; AdheSE® Universal, Ivoclar Vivadent; Xeno® Select, Dentsply) in both conceivable application modes: etch-and-rinse and self-etch (n = 15). Bond strength was assessed with a universal testing machine immediately after application and light curing of the adhesive materials. Statistical analysis was performed using two-way ANOVA (p<0.01) and Tukey's test (p<0.05). Results: The effect of dentin irradiation and application mode for the adhesive restoration was found to be significant (p<0.01, ANOVA). In all groups, a decrease of µTBS could be observed when used on irradiated dentin. However, no significant influence of high level radiation on the bond strength of Futurabond® U and AdheSE® Universal in both modes could be evaluated (p>0.05, Tukey´s test). Solely in the case of the adhesive system Xeno® Select, significantly reduced bond strength could be determined in self-etch mode after irradiation (group 60 Xse) compared to the control group (0 Xse) (p<0.05, Tukey´s test). Conclusions: Within the limitations of an in vitro study, some effects of high-level tumor irradiation on the bond strength of universal adhesives can be detected. However, these effects were strongly depending on the used material and application mode.

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Section: Introductionmentioning

confidence: 99%

Bond Strength Evaluation of Universal Adhesives Applied in Self-Etch and Etch-and-Rinse Modus on Sound and High-Level Irradiated Dentin - a Controlled Laboratory Study

Nguyen,

Broscheit,

Vordermark

et al. 2023

Preprint

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The effects of re-irradiation on the chemical and morphological properties of permanent teeth

dos Santos,

Mattos,

Molena

et al. 2024

Radiat Environ Biophys

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ObjectivesEvaluate in vitro, simulating a radiotherapy retreatment of HNC, the effects of re-radiation on the properties of enamel and dentin. Materials and MethodsForty ve human permanent molars were divided in ve groups: non-irradiated; irradiated up to a dose of 60 Gy and re-irradiated up to doses of 30, 40 and 50 Gy, through the analysis of Raman spectroscopy, Scanning electron microscopy (SEM) and Energy Dispersive X-ray spectroscopy (EDS). Raman spectroscopy was analyzed comparatively, according to the intensity, general area of the spectra and peaks of interest. Kolmogorov -Smirnov test, followed by the One-Way ANOVA test and Tukey's posttest, with the signi cance level were adopted for all analyzes being 5%. ResultsThere were signi cant changes in the peaks of irradiated, non-irradiated and re-irradiated enamels, with the presence of phosphate (438nm), hydroxyapatite (582nm), phosphate (960nm) and carbonate (1070nm) (p < 0.05). Re-irradiation reached the tooth as a whole (p > 0.05), with degradation of the interprismatic region, destruction of enamel prisms and hydroxyapatite crystals. In dentin, it caused obliteration of the tubules, formation of cracks and progressive fragmentation of collagen bers. EDX indicated an increase in the percentage of oxygen and a decrease in phosphorus and calcium after reirradiation. ConclusionThe chemical and morphological changes in the permanent irradiated teeth are progressive and directly proportional to the escalation of the radiation dose. Clinical relevanceRe-irradiation causing even more damage to enamel and dentin of permanent teeth.

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Oral Health in Patients with History of Head and Neck Cancer: Complexity and Benefits of a Targeted Oral Healthcare Pathway

Florimond,

Duong,

Lours

et al. 2024

Curr Oncol Rep

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Purpose of Review This work consists in a literature review on the current state of knowledge regarding the oral management of patients with a history of head and neck cancer (HNC), corroborated by clinical cases and illustrated by clear infographic summaries. It aims to provide healthcare professionals with a comprehensive overview of the oral health status of HCN patients. Recent Findings Head and neck cancers (HNCs) represent the seventh most common type of cancer worldwide, with over 660,000 annual new cases. Despite the significant negative impact of HNCs on oral health, patients often receive no or inappropriate oral care while the significant impact of oral pathologies on cancer prognosis is commonly underestimated. Summary This work (i) describes the oral cavity during and after HNC through the prism of care complexity and (ii) highlights several potential key factors that could worsen long-time patients’ prognosis and quality of life. By investigating the biological, microbiological, functional, and psychological dimensions of the interrelationships between HNCs and oral health, the authors explored the barriers and benefits of a targeted oral healthcare pathway. This article emphasizes the importance of multidisciplinary care and highlights the need for further research elucidating the intricate relationships between oral health and HNCs, particularly through the microbiota.

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Impact of Irradiation on the Adhesive Performance of Resin-Based Dental Biomaterials: A Systematic Review of Laboratory Studies

Cited by 4 publications

References 49 publications

Bond Strength Evaluation of Universal Adhesives Applied in Self-Etch and Etch-and-Rinse Modus on Sound and High-Level Irradiated Dentin - a Controlled Laboratory Study

Bond Strength Evaluation of Universal Adhesives Applied in Self-Etch and Etch-and-Rinse Modus on Sound and High-Level Irradiated Dentin - a Controlled Laboratory Study

The effects of re-irradiation on the chemical and morphological properties of permanent teeth

Oral Health in Patients with History of Head and Neck Cancer: Complexity and Benefits of a Targeted Oral Healthcare Pathway

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