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Objectives: Xerostomia is a prevalent sequelae among nasopharyngeal cancer (NPC) survivors; yet, effective treatment protocols have been elusive. This study was a prospective randomized clinical trial to compare the effects of saliva substitute mouthwash in nasopharyngeal cancer survivors with xerostomia, between two treatment arms, conducted in a tertiary center. Materials and methods: This study measured the effects within 4 weeks in relation to summated xerostomia inventory (SXI) and unstimulated whole saliva (UWS). Patients randomized into the interventional arm were prescribed an immunologically active saliva substitute (IASS), while patients in the control arm were prescribed a non-immunologically active mouthwash as placebo. Results: The study population consisted of 94 patients. There was a significant difference in SXI difference (p < 0.0001) and UWS difference (p < 0.0001) between control and interventional arms. No harmful side effects associated with the use of either mouthwash encountered throughout the study duration. Conclusion: IASS mouthwash significantly reduces subjective xerostomia scores measured using SXI and improves objective measurement of salivary flow using UWS among nasopharyngeal cancer survivors with xerostomia. Clinical relevance: IASS is significantly more effective in improving subjective and objective xerostomia measurements compared to non-immunologically active mouthwash. Additionally, this treatment is very safe, with superior side effect profiles. Trial registration: ClinicalTrials.gov Identifier: NCT04491435 [ABSTRACT FROM AUTHOR]

Objectives: The aim of this study was to investigate the attitude, observations, and knowledge of German dentists regarding the management of dry mouth. Materials and methods: A questionnaire including queries about attitudes, observations, and treatment options in patients with dry mouth was developed and sent to all 1251 dentist members of a regional German dental association. Results: An overall total of 284 returned questionnaires were included in the analyses, which relates to a response rate of 22.7%. Dentists infrequently encountered dry mouth in their clinical routine, yet were well aware that patients suffer from the symptoms of dry mouth; for affected patients, the majority of participating dentists provided specific dental prophylaxis measures. Drug side effects, neoplasia, and psychological disorders were regarded as the primary etiological factors for dry mouth, and caries, increased plaque formation, and rhagades as the most frequently observed clinical symptoms. While the majority of participating dentists was of the opinion that saliva substitutes are useful treatment options in patients with dry mouth, only few frequently recommended their use. Mechanical and gustatory stimulation of salivary flow as well as the advice to rinse with water were the most frequently pursued treatment options. Conclusions: Despite the high prevalence of dry mouth identified in epidemiological studies, it appears to be an infrequent observation in clinical routine. Clinical relevance: Pre- and postgraduate education should sensitize dentists for dry mouth and its treatment options. [ABSTRACT FROM AUTHOR]

Objective: This study aimed to determine whether the application of a high-fluoride gel could increase the remineralization of subsurface dentin lesions stored in saliva substitutes. Materials and methods: Demineralized bovine dentin specimens were stored in mineral water (W), Glandosane (G), or modified Saliva natura (SN). Different treatments were applied twice daily: no treatment, Elmex sensitive mouth rinse (E), ProSchmelz gel (P), Duraphat toothpaste (D), ED, PD, and EPD. Differences in mineral loss were evaluated by transversal microradiography after 2 and 5 weeks. Results: The treatments with E, D, and ED inhibited the mineral loss induced by G and enabled some mineral gain. ProSchmelz was not able to inhibit the demineralizing effect of G. This high-fluoride gel induced an erosive mineral loss in combination with G. The use of ProSchmelz in combination or not with other fluoride products did not increase remineralization of specimens stored in SN or W ( p > 0.05). ProSchmelz resulted in an erosion of the specimens stored in W and revealed a lower mineralized surface layer of specimens stored in SN. Conclusion: Topical application of high-fluoride gel reduced the mineral loss induced by G but resulted in an erosion of specimens' surface. In addition, ProSchmelz did not demonstrate beneficial effects in combination with SN on subsurface dentin lesion remineralization. Clinical relevance: Within the limitations of an in vitro study, it was concluded that the application of a high-fluoride gel did not promote additional effects on remineralization of subsurface dentin lesions in combination with saliva substitutes when compared to products with lower fluoride concentration. [ABSTRACT FROM AUTHOR]