Tunneled Coronally Advanced Flap and Connective Tissue Graft Wall for the Treatment of Isolated Infrabony Defect Associated with Gingival Recession: Technical Report with Cases.

The integrity and phenotype of periodontal soft tissues significantly influence the outcome of surgical periodontal regenerative therapy. In cases with thin gingival phenotype, treating infrabony defects surgically can worsen gingival recession and loss of papillae. This report outlines a surgical approach for addressing infrabony defects at sites with gingival recession and thin phenotype.

Partial-Full-Thickness Tunnel Technique and Supra-Crestal Sling Suture for Treatment of RT2 and RT3 Gingival Recessions: Technical Report with Two Cases.

The purpose of this technical report is to describe a modified tunnel surgical approach and connective tissue graft (CTG) stabilization technique for the treatment of gingival recessions with interproximal clinical attachment loss (ICAL). The partial-full-thickness (PFT) tunnel technique utilizes multiple vestibular incisions to facilitate creation of a split-mucoperiosteal tunnel that enhances tissue passivity and allows for coronal advancement of soft tissue with minimal tension. The supra-crestal sling (SCS) suture engages only the CTG, independent of the overlying tissue and stabilizes the CTG around the buccal and proximal root surfaces.

Profiling of T Cell Repertoire in SARS-CoV-2-Infected COVID-19 Patients Between Mild Disease and Pneumonia.

The coronavirus disease 2019 (COVID-19) pandemic, caused by severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), has become a public health emergency. The most common symptoms of COVID-19 are fever, cough, and fatigue. While most patients with COVID-19 present with mild illness, some patients develop pneumonia, an important risk factor for mortality, at early stage of viral infection, putting these patients at increased risk of death.

Increased levels of 8-hydroxy-2 -deoxyguanosine attributable to carcinogenic metal exposure among schoolchildren.

Arsenic, chromium, and nickel are reported in several epidemiologic studies to be associated with lung cancer. However, the health effects of arsenic, chromium, and nickel exposures are equivocal for children. Therefore, we performed a cross-sectional study to investigate possible associations between the internal concentrations of arsenic, chromium, and nickel and the level of oxidative stress to DNA in children.