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Process-based quantitative description of carbon biogeochemical cycle in a reclaimed water intake area.
Environ Res
December 2024
State Key Laboratory of Nuclear Resources and Environment, Fundamental Science on Radioactive Geology and Exploration Technology Laboratory, Jiangxi Provincial Key Laboratory of Genesis and Remediation of Groundwater Pollution, School of Water Resources and Environmental Engineering, East China University of Technology, Nanchang, Jiangxi, 330013, P.R. China.
Reclaimed water plays a pivotal role in addressing water scarcity and pollution. The carbon (C) cycle significantly impacts aquatic ecosystems and water quality, yet the C biogeochemical cycle in nutrient-rich reclaimed water remains enigmatic. This study focuses on reclaimed water, developing a conceptual biogeochemical mass balance model to examine C cycling and assess the C budget in the highly eutrophic Jian and Chaobai rivers.
View Article and Find Full Text PDFPurpose: The purpose of this laboratory study was to evaluate common materials for isolation and neutralizing agents for hydrofluoric acid (HF). Additionally, surfaces of lithium disilicate ceramic were examined for precipitates after the etching and neutralizing process.
Materials And Methods: The HF permeability of the following isolation agents (n=8) was investigated by positioning them over pH indicator paper under airtight conditions and applying 9% HF: latex rubber dam; elastic plastomer rubber dam; nitrile gloves; latex gloves; liquid rubber dam; Teflon; AZ strip.
Clinical performance of an ormocer-based single-shade resin composite for the restoration of non-carious cervical lesions: 18-month randomized clinical trial.
J Dent
December 2024
Facultad de Ciencias de la Salud, Carrera de Odontologia, Universidad De Los Hemisferios, Quito, Ecuador; Department of Restorative Dentistry, State University of Ponta Grossa, Avenida Carlos Cavalcanti, 4748, Bloco M, Sala 04, Ponta Grossa, Paraná, 84030-900, Brazil. Electronic address:
Objective: This double-blind, split-mouth, randomized equivalence clinical trial aimed to evaluate the 18-month clinical performance of an ormocer-based single-shade resin composite compared with an ormocer-based multi-shade resin composite in non-carious cervical lesions (NCCLs).
Methods: One hundred and twenty restorations were performed on NCCLs with two restorative materials (n = 60): Admira Fusion X-tra resin composite (ormocer-based single-shade), and Admira Fusion resin composite (ormocer-based multi-shade). After rubber dam isolation, a universal adhesive was applied in the selective enamel etching strategy.
Dental Dam Isolation for Crown Removal, Atraumatic Tooth Extraction, Immediate Implant Placement, and Restoration Cementation: A Case Study.
Oper Dent
January 2025
*Carlos A. Jurado, DDS, MS, Division of Operative Dentistry, Department of General Dentistry, The University of Tennessee Health Science Center College of Dentistry, Memphis, TN, USA.
Objectives: This case report describes the clinical protocols for the removal of crowns, tooth extraction, immediate implant placement, and cementation of new crowns, all performed under total or partial isolation with a dental dam.
Clinical Considerations: The patient's chief complaint was dissatisfaction with her smile. Radiographic and clinical evaluations led to the recommendation to replace the porcelain-fused-to-metal crowns on the maxillary central and lateral incisors with all-ceramic crowns.
What is the influence of the operator on the long-term survival of posterior partial lithium disilicate restorations in an undergraduate setting?
J Dent
December 2024
Department of Restorative Dentistry, Center for Dentistry and Oral Hygiene, University Medical Center Groningen, The University of Groningen, Groningen, the Netherlands; Department of Special Dental Care, Martini Hospital, Groningen, the Netherlands.
Objective: To evaluate the influence of the (undergraduate) operator on the survival and success rate of posterior partial lithium disilicate restorations.
Materials And Methods: Patients who received at least one posterior partial lithium disilicate restoration between 2009 and 2019 by undergraduates at the Center for Dentistry and Oral Hygiene in Groningen were included. Operator- (academic year (4th, 5th, 6th year)), patient- (presence of a nightguard, caries risk, age), tooth- (endodontic status, inlay/onlay, position of the restoration outline) and material-related factors (cement type, rubber dam use, Immediate Dentin Sealing) on the survival and success rate were analyzed using multilevel Cox regression (p < 0.
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