5 results on '"Ağan, S."'
Search Results
2. Influence of locally delivered doxycycline on the clinical and molecular inflammatory status of intrabony defects prior to periodontal regeneration: A double-blind randomized controlled trial.
- Author
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Aimetti M, Baima G, Aliyeva N, Lorenzetti V, Citterio F, Franco F, Di Scipio F, Berta GN, and Romano F
- Subjects
- Humans, Anti-Bacterial Agents therapeutic use, Wound Healing, Matrix Metalloproteinase 8 metabolism, Gingival Crevicular Fluid metabolism, Doxycycline therapeutic use, Matrix Metalloproteinase 9
- Abstract
Objectives: To test the effect of locally delivered doxycycline (DOX) administered 2 weeks prior to minimally invasive periodontal regeneration in terms of presurgical inflammatory status and cytokine expression profile in the gingival crevicular fluid (GCF). Secondary aim was to assess the early wound healing index (EHI) at 2 weeks after surgery., Background: It is hypothesized that healing after periodontal regeneration is dependent on preoperative soft tissue condition, and that local antibiotics may improve the site-specific inflammatory status at short time., Methods: Sites associated with periodontal intrabony defects requiring regenerative surgery and showing bleeding on probing (BoP) were included. At T0, experimental sites were randomly treated with subgingival instrumentation with or without topic DOX application. After 2 weeks (T1), defects were approached by means of minimally invasive surgical technique. GCF was sampled at both T0 and T1 for inflammatory biomarker analysis. Two weeks after surgery, the EHI was evaluated (T2)., Results: Forty-four patients were included. At T1, the number of BoP+ sites was statistically significantly less in the test group (27.3% vs. 72.7%; p < .01). The total amount of interleukin (IL)-1β (p < .001), matrix-metalloproteinases (MMP)-8 (p < .001), and MMP-9 (p = .010) in the GCF significantly decreased in the test group at T1, with relevant differences compared to controls. At T2, the EHI had an average value of 1.45 ± 0.86 in the test group while in the control, it was 2.31 ± 1.43 (p = .027). A statistically significantly positive correlation was observed between the amount of IL-1β and MMP-9 and EHI scores., Conclusions: Within the limitations of this study, sites treated with DOX showed improved clinical and molecular inflammatory parameters before surgery, as well as soft tissue healing 2 weeks after surgery., (© 2023 The Authors. Journal of Periodontal Research published by John Wiley & Sons Ltd.)
- Published
- 2023
- Full Text
- View/download PDF
3. A Review on Ge Nanocrystals Embedded in SiO2 and High‐k Dielectrics.
- Author
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Lehninger, David, Beyer, Jan, and Heitmann, Johannes
- Subjects
NANOCRYSTALS ,ELECTRIC properties of silica ,GERMANIUM ,SUPERSATURATED solutions ,SOLID solutions - Abstract
In this article, the work on Ge nanocrystals embedded in dielectric films formed by phase separation from supersaturated solid solutions is reviewed. Different methods to synthesize supersaturated solid solutions are covered, e.g., magnetron sputtering, ion implantation, and chemical vapor deposition. The phase separation is activated by subsequent high temperature annealing. Important parameters that influence the formation and properties of the Ge nanocrystals are discussed. Various matrix materials like SiO
2 , Al2 O3 , HfO2 , HfAlO , Lux 2 O3 , ZrO2 , TaZrO , and Six 3 N4 are reported in the literature. The influence of the matrix on the formation and properties of the Ge nanocrystals is addressed in this review. Ge nanocrystals are investigated for applications such as charge storage nodes in nonvolatile memory devices or as silicon technology compatible light emitters. A key to establish these applications seems to be embedding the Ge nanocrystals in still amorphous matrices. This could help to avoid grain boundaries that act as leakage paths for electrical charges (unfavorable for nonvolatile memories) and facilitate defects, which could act as recombination centers (unfavorable for light emitters). A further important point is the synthesis of size and position controlled Ge nanocrystals. Both aspects are reviewed for Ge nanocrystals embedded in the mentioned matrix materials. [ABSTRACT FROM AUTHOR]- Published
- 2018
- Full Text
- View/download PDF
4. Lindhe's Clinical Periodontology and Implant Dentistry
- Author
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Niklaus P. Lang, Tord Berglundh, William V. Giannobile, Mariano Sanz, Niklaus P. Lang, Tord Berglundh, William V. Giannobile, and Mariano Sanz
- Subjects
- Dental implants, Periodontal disease
- Abstract
Discover the latest edition of the cornerstone reference on periodontology and implant dentistry that combines scholarship and science with practical clinical instruction The Seventh Edition of Lindhe's Clinical Periodontology and Implant Dentistry brings together a distinguished team of periodontal specialists and academics who deliver another must-have resource for students, researchers, and practitioners specializing in periodontal care and implant dentistry. Seamlessly integrating the foundational science behind periodontology with practical clinical protocols in two comprehensive volumes, the chapters cover anatomy, microbiology, occlusion trauma, pathology, tissue regeneration, treatment planning protocols, infection control, reconstructive therapy, occlusal and prosthetic therapy, and more. The Seventh Edition of Lindhe's Clinical Periodontology and Implant Dentistry: Provides an introduction to anatomy, including periodontal tissues, the edentulous ridge, the mucosa at teeth and implants, and osseointegration Discusses the epidemiology of periodontal and peri-implant diseases Explores the microbiology, including dental biofilms and calculus, periodontal infections, peri-implant infections, the pathogenesis of gingivitis and periodontitis, and the genetic susceptibility to periodontal disease Includes the latest perio- and peri-implant disease classifications Contains updated evidence-based preventive and treatment modalities for the treatment of periodontal and peri-implant diseases Features the latest evidence-based therapeutic alternatives on the use of dental implants to rehabilitate the lost dentition Perfect for postgraduate dental students, researchers, and practitioners specializing in periodontal care and implant dentistry, Lindhe's Clinical Periodontology and Implant Dentistry continues to be the cornerstone reference work on periodontology.
- Published
- 2021
5. Clinical Periodontology and Implant Dentistry, 2 Volume Set
- Author
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Niklaus P. Lang, Jan Lindhe, Niklaus P. Lang, and Jan Lindhe
- Subjects
- Periodontics, Periodontal disease, Dental implants
- Abstract
Now in its sixth edition, Clinical Periodontology and Implant Dentistry is the must-have resource for practitioners specialising in periodontal care and implant dentistry. The chapters have been extensively revised with 40% of the content new to this edition. Maintaining the widely praised two-volume format introduced in the previous edition, the editorial team has once again brought together the world's top international specialists to share their expertise on all aspects of periodontology, periodontal health and the use of implants in the rehabilitation of the periodontally compromised patient. Seamlessly integrating foundational science, practical clinical protocols, and recent advances in the field, Clinical Periodontology and Implant Dentistry, Sixth Edition enhances its stellar reputation as the cornerstone reference work on periodontology.
- Published
- 2015
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