The use of autologous platelet concentrates (APCs) in regenerative endodontic procedures is inconsistent and unclear. The aim of this meta-analysis was to evaluate the effectiveness of autologous platelet concentrates compared to traditional blood-clot regeneration for the management of young, immature, necrotic, permanent teeth. The digital databases MEDLINE, SCOPUS, CENTRAL, Web of Science, and EMBASE were searched to identify ten randomized clinical trials. The outcomes at postoperative follow-up, such as dentinal wall thickness (DWT), increase in root length (RL), calcific barrier formation (CB), apical closure (AC), vitality response (VR), and success rate (SR), were subjected to both qualitative synthesis and quantitative meta-analysis. The meta-analysis showed that APCs significantly improved apical closure (risk ratio (RR) = 1.17; 95% CI: 1.01, 1.37; = 0.04) and response to vitality pulp tests (RR = 1.61; 95% CI: 1.03, 2.52; = 0.04), whereas no significant effect was observed on root lengthening, dentin wall thickness, or success rate of immature, necrotic teeth treated with regenerative endodontics. APCs could be beneficial when treating young, immature, necrotic, permanent teeth regarding better apical closure and improved response to vitality tests.
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http://dx.doi.org/10.3390/cells9102241 | DOI Listing |
Cureus
December 2024
Endodontics, Galilee College of Dental Sciences, Nahariya, ISR.
Introduction Regenerative endodontic therapy (RET) has been suggested for treating immature necrotic teeth, and failures after RET may be observed during follow-up examinations, even two years after the initial treatment. The study aimed to examine the outcomes of RET and suggest a decision-making guide for the retreatment of failed cases. Methods Around 414 endodontically treated immature teeth from patients aged six and 17 were screened to identify eight patients who presented with a failed RET.
View Article and Find Full Text PDFOpen Vet J
November 2024
Department of Basic Oral Medical Sciences, College of Dentistry, Qassim University, Buraydah, Saudi Arabia.
Background: Regenerative endodontics' primary objective is to establish a favorable environment in the root canal by removing infection, providing a sturdy scaffold, and sealing the apical end of the tooth tightly. These actions should promote pulp regeneration and root development.
Aim: This study evaluated histologically the regenerative potential of injectable hyaluronic acid (HA) hydrogel or collagen with blood clot as scaffolds during revascularization of immature necrotic dog's teeth.
Eur Endod J
December 2024
Department of Neurosciences, Reproductive and Odontostomatological Sciences, University of Naples Federico II, Naples, Italy.
Objective: To evaluate the effect of a newly developed MTA-based material and two antibacterial-enhanced MTAs as pulp capping materials in immature permanent dental elements underwent full pulpotomy.
Methods: The present animal study included 20 Wistar albino rats that, after full pulpotomy, were randomly divided into 4 groups receiving different MTA formulations as pulp capping materials: conventional MTA, Tricalcium aluminate (TCA)- free MTA, and MTA enhanced with metronidazole or doxycycline. Histopathological assessments were carried out at 7- and 28-days post-treatment to evaluate dentinal bridge formation, inflammatory reactions, pulp tissue necrosis and internal resorption.
Immunol Res
December 2024
Immunology Research Center, Tabriz University of Medical Sciences, Tabriz, Iran.
Dendritic cells (DCs) are essential for promoting T lymphocyte responses since they are specialist antigen-presenting cells. In order to maintain tolerance or initiate immune responses, DCs must be activated in a balanced and regulated manner via diverse signaling pathways. By using a variety of pharmacological components, we can interfere with their different signaling pathways such as the mammalian target of rapamycin (mTOR) to appropriately modulate DC activity.
View Article and Find Full Text PDFCurr Protoc
December 2024
Department of Neuroscience and Experimental Therapeutics, Texas A&M University Health Science Center, College of Medicine, Bryan, Texas.
Neuronal injury, neurodegeneration, and neuroanatomical changes are key pathological features of various neurological disorders, including epilepsy, stroke, traumatic brain injury, Parkinson's disease, autism, and Alzheimer's disease. Accurate quantification of neurons and interneurons in different brain regions is critical for understanding the progression of neurodegenerative disorders in animal models. Traditional scoring methods are often superficial, biased, and unreliable for evaluating neuropathology.
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