Background And Objectives: The amount of root coverage obtained after a graft procedure may be improved after the early phase of healing by a coronal displacement of the gingival attachment. The aim of this report is to present a clinical case of complete root coverage of a Miller's class IV recession achieved by creeping attachment subsequent to a laterally repositioned flap.
Methods: In 1995, a 44-year-old male patient was referred for a root coverage graft on the upper right central incisor. Clinical examination revealed that the upper right central incisor had a recession of 7 mm. The defect was classified as class IV according to Miller's classification of marginal tissue recession. It was decided that root coverage would be attempted using a laterally repositioned flap from the upper right lateral incisor and upper right canine. Sutures were removed ten days after surgery.
Results: Four months after grafting, the amount of root coverage obtained was 4 mm. After an 8-year period, the previously denuded root surfaces were entirely covered by soft tissue. The marginal position of the gingiva appeared stable, the gingival tissue became firmly attached to the root surface and probing showed a shallow sulcular depth.
Conclusion: Several interesting observations were made after 8 years. In conclusion, the most significant and interesting finding of this report is that the amount of interdental papilla and marginal gingival tissue covering donor and recipient areas improved with time, providing an excellent aesthetic appearance.
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Clin Adv Periodontics
January 2025
Department of Periodontics and Implantology, SRM Dental College and Hospital, Chennai, India.
Background: Newer generation platelet concentrates, such as advanced platelet-rich fibrin plus (A-PRF+) obtained following low-speed centrifugation concept and horizontal platelet-rich fibrin (H-PRF) obtained from swing out and bucket system, showed increased platelet entrapment and growth factor release in the in-vitro studies. This prospective study aimed to evaluate and compare the clinical outcomes of A-PRF+ and H-PRF membranes in the treatment of gingival recession defects. The objectives of this study were to compare the changes in the recession height (RH) and the mean root coverage percentage (MRC%) between and within the research groups.
View Article and Find Full Text PDFMed Phys
January 2025
Faculty of Physics, Astronomy and Applied Computer Science, Jagiellonian University, Kraków, Poland.
Background: Total-body (TB) Positron Emission Tomography (PET) is one of the most promising medical diagnostics modalities, opening new perspectives for personalized medicine, low-dose imaging, multi-organ dynamic imaging or kinetic modeling. The high sensitivity provided by total-body technology can be advantageous for novel tomography methods like positronium imaging, demanding the registration of triple coincidences. Currently, state-of-the-art PET scanners use inorganic scintillators.
View Article and Find Full Text PDFFront Microbiol
January 2025
Xinjiang Key Laboratory of Desert Plant Roots Ecology and Vegetation Restoration, Xinjiang Institute of Ecology and Geography, Chinese Academy of Sciences, Urumqi, China.
Soil fungi are essential to ecosystem processes, yet their elevational distribution patterns and the ecological mechanisms shaping their communities remain poorly understood and actively debated, particularly in arid regions. Here, we investigated the diversity patterns and underlying mechanisms shaping soil fungal communities along an elevational gradient (1,707-3,548 m) on the northern slope of the Central Kunlun Mountains in northwest China. Results indicated that the dominant phyla identified across the seven elevational gradients were and , displaying a unimodal pattern and a U-shaped pattern in relative abundance, respectively.
View Article and Find Full Text PDFAm J Epidemiol
January 2025
Division of Pharmacoepidemiology and Pharmacoeconomics, Department of Medicine, Brigham and Women's Hospital, Harvard Medical School, Boston, MA, USA.
Multiple imputation (MI) models can be improved with auxiliary covariates (AC), but their performance in high-dimensional data remains unclear. We aimed to develop and compare high-dimensional MI (HDMI) methods using structured and natural language processing (NLP)-derived AC in studies with partially observed confounders. We conducted a plasmode simulation with acute kidney injury as outcome and simulated 100 cohorts with a null treatment effect, incorporating creatinine labs, atrial fibrillation (AFib), and other investigator-derived confounders in the outcome generation.
View Article and Find Full Text PDFBackground: Treatment of gingival recessions through surgical approaches is a common periodontal intervention. There is a rise in using biologics in root coverage procedures. As it has been shown that hyaluronic acid (HA) promotes wound healing, this review aimed to assess its efficacy in the treatment of gingival recessions.
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