Elmar Hellwig

ORCID: 0000-0003-1880-5256
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About
Contact & Profiles
Research Areas
  • Dental materials and restorations
  • Oral microbiology and periodontitis research
  • Dental Erosion and Treatment
  • Dental Health and Care Utilization
  • Endodontics and Root Canal Treatments
  • Dental Radiography and Imaging
  • Dental Implant Techniques and Outcomes
  • Dental Research and COVID-19
  • Fluoride Effects and Removal
  • Dental Anxiety and Anesthesia Techniques
  • Bone and Dental Protein Studies
  • Dental Trauma and Treatments
  • Oral Health Pathology and Treatment
  • Salivary Gland Disorders and Functions
  • Photodynamic Therapy Research Studies
  • Laser Applications in Dentistry and Medicine
  • Essential Oils and Antimicrobial Activity
  • Periodontal Regeneration and Treatments
  • Nanoplatforms for cancer theranostics
  • Infective Endocarditis Diagnosis and Management
  • Bone Tissue Engineering Materials
  • Occupational health in dentistry
  • Medical and Health Sciences Research
  • Oral and Maxillofacial Pathology
  • Bacterial biofilms and quorum sensing

University of Freiburg
2016-2025

University Medical Center Freiburg
2013-2024

National and Kapodistrian University of Athens
2023

University of Zurich
2023

Zentrum für Zahn-, Mund- und Kieferheilkunde Poliklinik für Zahnerhaltung und Parodontologie
2015-2020

Poliklinik für Zahnerhaltung und Parodontologie
2012-2020

University of Dental Medicine
2005-2016

Poliklinik für Zahnärztliche Prothetik
2015

Swiss Dental Association
2015

University Medical Center
2008-2014

The aim of this pilot study was to investigate the effects four weeks an oral health optimized diet on periodontal clinical parameters in a randomized controlled trial. experimental group (n = 10) had change low carbohydrates, rich Omega-3 fatty acids, and vitamins C D, antioxidants fiber for weeks. Participants control 5) did not their dietary behavior. Plaque index, gingival bleeding, probing depths, bleeding upon were assessed by dentist with pressure-sensitive probe. Measurements...

10.1186/s12903-016-0257-1 article EN cc-by BMC Oral Health 2016-07-26

Enterococci have gained significance as the cause of nosocomial infections; they occur food contaminants and also been linked to dental diseases. E. faecalis has a great potential spread virulence well antibiotic resistance genes via horizontal gene transfer. The integration food-borne enterococci into oral biofilm in-vivo observed. Therefore, we investigated determinants 97 isolates from cavity, food, clinical specimens. In addition, phenotypic expression gelatinase cytolysin were tested,...

10.3389/fmicb.2015.01534 article EN cc-by Frontiers in Microbiology 2016-01-11

The interaction of fluoride with plaque and the underlying enamel was studied in an artificial mouth after topical application three different solutions. Streptococcus mutans cells were grown on windowed bovine blocks to form plaque. Plaque-covered clean samples rinsed NaF, amine Na-MFP (200 ppm F-, twice a day for 10 min 3 consecutive days). Amine NaF caused F- increments (190 72 ppm), had no effect. In concentration increased but not Na-MFP. Underneath higher than all agents; most...

10.1159/000260592 article EN Caries Research 1982-01-01

The elution of monomers from composite materials influences the biocompatibility dental restorations. purpose present study was to investigate [bisphenol A glycidyl methacrylate (BisGMA), triethylene glycol dimethacrylate (TEGDMA), urethane (UDMA), and bisphenol (BPA)] two light‐cured (nanohybrid ormocer) a chemically cured material, after different curing times (0, 20, 40 80 s) storage periods (24 h, 7 d, 28 1 yr curing). Each specimen stored in ml 75% ethanol. This medium renewed 24 yr....

10.1111/j.1600-0722.2008.00594.x article EN European Journal Of Oral Sciences 2009-01-16

The formation and composition of dental plaque biofilm in vivo are important factors which influence the development gingivitis, caries periodontitis. Studying vitro models can cause an oversimplification real conditions oral cavity. In this study, bovine enamel slabs were fixed individual acrylic appliance situ to quantify using multiplex fluorescence hybridization (FISH) confocal laser scanning microscopy. Each five oligonucleotide probes used for FISH was specific either eubacteria or one...

10.1099/jmm.0.47094-0 article EN Journal of Medical Microbiology 2007-04-19

Abstract Biofilm formation was evaluated on the following titanium and zirconia implants in vivo : machined (Ti‐m), modified (TiUnite ® ), (ZiUnite alumina‐toughened (ATZ‐m), sandblasted (ATZ‐s), (TZP‐A‐m). Bovine enamel slabs were used as controls. Surface morphologies examined by atomic force (AFM) scanning electron microscopy (SEM). The surface wettability also determined. Twelve healthy volunteers wore a splint system with tested materials. After 3 5 days materials fluorescence situ...

10.1002/jbm.b.31688 article EN Journal of Biomedical Materials Research Part B Applied Biomaterials 2010-08-19

Aim of this study was to investigate the influence an anti-inflammatory diet on different parameters in patients with gingivitis.Thirty were randomly allocated experimental and a control group stratified by their plaque values. The had change low processed carbohydrates animal proteins, rich omega-3 fatty acids, vitamin C, D, antioxidants, plant nitrates fibres for 4 weeks. did not diet. Both groups suspended interdental cleaning. Periodontal assessed blinded dentist. Serological subgingival...

10.1111/jcpe.13094 article EN Journal Of Clinical Periodontology 2019-04-01

While the number of coronavirus cases from 2019 continues to grow, hospitals are reporting shortages personal protective equipment (PPE) for frontline healthcare workers. Furthermore, PPE eyes and mouth, such as face shields, allow additional protection when working with aerosols. 3-D printing enables easy rapid production lightweight plastic frameworks based on open-source data. The practicality clinical suitability four shields printed using a fused deposition modeling printer were...

10.3390/ma13081997 article EN Materials 2020-04-24
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