Long-term skeletodental changes with early and late treatment using modified C-palatal plates in hyperdivergent Class II adolescents.

Objectives: To compare skeletodental changes between early and late treatment groups using modified C-palatal plates (MCPP) and long-term retention outcomes in hyperdivergent Class II adolescents.

Materials And Methods: Seventy-one hyperdivergent Class II patients were divided into four groups according to treatment modality and treatment timing: group 1, early treatment with MCPP (n = 16; 9.9 ± 0.

The effects of a corticotomy on space closure by molar protraction using TSADs in patients with missing mandibular first molars.

Introduction: The purpose of this study was to evaluate the effects of a triangular-shaped corticotomy on the protraction of second and third molars in patients with missing mandibular first molars.

Subjects And Methods: The corticotomy and non-corticotomy groups consisted of sixteen first molars in fifteen patients (28.6 ± 9.

Total maxillary arch distalization with modified C-palatal plates in adolescents: A long-term study using cone-beam computed tomography.

Introduction: The aims of this study were to evaluate the long-term skeletodental effects, the volume of maxillary tuberosity, and airway space changes after maxillary molar distalization using modified C-palatal plate (MCPP) in adolescents with Class II malocclusion.

Methods: The sample consisted of 20 adolescent patients (MCPP group; mean age, 12.9 ± 1.

Zinc-coated carbonate apatite derived from avian eggshell for potential use as bone substitute. Part I: preparation and properties.

Purpose: To develop antibacterial bone substitutes derived from avian eggshell using microwave processing to convert natural calcium carbonate (CaCO3) into zinc-coated carbonate apatite (CHA).

Methods: Zinc-coated carbonate apatite was prepared using domestic microwave and then characterized with scanning electron microscopy (SEM), x-ray diffraction (XRD), Fourier transform infrared spectroscopy (FT-IR), and energy dispersive x-ray analysis (EDXA). The trial animal study was conducted by filling different bone substitutes into 5-mm-diameter standard defects on the parietal bone of New Zealand rabbits to observe new bone formation for 8 weeks.

Improved biocompatibility of hydroxyapatite thin film prepared by aerosol deposition.

Technical development for an efficient coating of bioactive materials improves the characteristics of a fully functional implant. The aim of this study was to investigate the osteoinductive effect of a newly developed hydroxyapatite (HA)-coating technique using aerosol deposition without post-heat treatment [room temperature (RT) group] on the titanium (Ti) dental implant in vitro and in vivo, compared with that of HA coating with post-heat treatment (HT-400 group) or machined surface (control group). Cell proliferation or attachment on the HA-coated Ti surface was assessed using tetrazolium salt, WST-8 or scanning electron microscopy (SEM).

Nonwoven silk fibroin net/nano-hydroxyapatite scaffold: preparation and characterization.

The purpose of this study was to prepare and characterize a three-dimensional scaffold consisting of porous nonwoven silk fibroin net/nano-apatite composite. The silk fibroin net was mineralized with apatite by alternative soaking in calcium and phosphate solutions. The scaffold exhibited a porous microstructure with open porosity (70-78%), with an average pore size of about 163 +/- 40.

Antibacterial effect of zinc phosphate mineralized guided bone regeneration membranes.

Purpose: Current commercial guided bone regeneration membranes are susceptible to bacterial colonization, leading to premature membrane degradation. The purpose of this research is to modify current resorbable guided bone regeneration membranes with antibacterial property by mineralizing with zinc phosphate.

Materials: Resolut Adapt LT (Gore-Tex; W.