Clinical Observations of Soft Tissue Dimensions Around Teeth and Implants After Free Gingival Graft.

Introduction And Aims: The histological and morphological differences in soft tissue between natural teeth and peri-implant may result in different clinical effectiveness to free gingival graft (FGG). This research aims to investigate the different efficacy of FGG in augmenting keratinized tissue width (KTW) between tooth and implant sites while evaluating its medium-term stability over a 2- to 5-year follow-up.

Methods: In this study, 29 patients underwent FGG to address insufficient clinical scenarios when KTW <2 mm at the buccal aspect, including 37 implant sites and 33 natural teeth sites both in posterior regions were included.

Comparison of immediate vs. delayed guided tissue regeneration in Infrabony defect of second molars after adjacent third molar extraction: a retrospective study.

Background: The distal aspect of the second molar (d-M2) often exhibits infrabony defects due to the adjacent third molar. Although the defects can be treated by guided tissue regeneration (GTR) after removing the third molar, the optimal timing remains uncertain following third molar removal in clinical decision-making. This study aimed to compare delayed and immediate GTR treatments to assist in clinical decision-making.

Multifunctional Crystalline Coordination Polymers Constructed from 4,4'-Bipyridine-,'-dioxide: Photochromism, White-Light Emission, and Photomagnetism.

Multifunctional photochromic coordination polymers (CPs) have shown great potential in many areas, like molecular switches, anticounterfeiting, magnetics, and optoelectronics. Although multifunctional photochromic CPs can be obtained by introducing photoresponsive functional units or by exploiting the synergy effect of each component, relatively limited photochromic ligands hinder the development of various multifunctional photochromic CPs. In this work, we reported two multifunctional coordination polymers {[Zn(bpdo)(fum)(HO)]} () and {[Mn(bpdo)(fum)(HO)]} () based on an easily accessible but underestimated photoactive molecule 4,4'-bipyridine-'-dioxide ().

[Expression and correlation of IL-35 in gingival crevicular fluid and serum with chronic periodontitis].

Purpose: To investigate the concentration of IL-35 in serum and gingival crevicular fluid (GCF) and the correlation between IL-35 and periodontal clinical parameters, and explore the possible role of IL-35 in chronic periodontitis (CP).

Methods: Twenty patients with moderate or severe chronic periodontitis were selected as experimental group and 20 healthy people were included as control group. The patients' baseline information, probing depth (PD) and clinical attachment level (CAL) were recorded.

[Characteristics of the immune status in aged mice with experimental periodontitis].

Purpose: To establish mice model with periodontitis by oral infection with Porphyromonas gingivalis, simulating human periodontal disease. The immune status of youth and aged mice were compared, and the cytokines expression of regulatory T cells and Th17 cells in this model were analyzed.

Methods: Entity microscope was used to evaluate the extent of periodontal bone resorption.

[Comparison of the IL-27 level in gingival crevicular fluid of cross-quadrant and the upper and lower half-mouth subgingival scaling].

Purpose: To investigate the changes of IL-27 in gingival crevicular fluid (GCF) before and after treatment with different methods for chronic periodontitis.

Methods: Sixty patients with moderate or severe chronic periodontitis were selected as study group to divide into group A (cross-quadrant) and group B (upper and lower half-mouth) randomly. Another 30 healthy people were selected as group C.