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Background and Objectives This study aims to investigate the therapeutic effects and side effects of intraarticular (IA) and intra-peritoneal (IP) injections of corticosteroids on temporomandibular joint (TMJ) inflammation Subjects and Methods This is a review study that was conducted on related studies published from 1990 to 2022 which were searched in Web of Science, PubMed, Scopus, Google Scholar, SID, Magiran and IranMedex using the keywords “temporomandibular joint”, “intra-articular injection”, “corticosteroid”, “adverse effects”, “juvenile arthritis”, “osteoarthritis”, “ Juvenile idiopathic arthritis”,”degenerative joint disorders”, and “temporomandibular joint disorders”. Results A total of 13 studies met the inclusion criteria. Two studies were related to IP injection, 8 related to IA injection, two studies compared the effect of IA and IP drug injection, and one study investigated the TMJ arthrocentesis and IP drug injection. In 4 studies, the aim was to compare the effectivness of corticosteroids and hyaluronic acid in improving temporomandibular disorders. Nine studies found that the use of corticosteroids is beneficial for the treatment of TMJ inflammation, and 7 studies reported complications such as condylar resorption. Conclusion Since the use of corticosteroids in treatment of TMJ disorders is not without complications, there is a need to conduct extensive studies on various drugs with anti-inflammatory effects and lowest side effects to replace them with corticosteroids. [ABSTRACT FROM AUTHOR]

Background and Objectives The aim of this present study is to review the effects of antibacterial properties of oak fruit, inner husk of oak fruit, and Jaftex mouthwash. Subjects and Methods The present study is a narrative literature review conducted using electronic databases such as ISI, PubMed, Scopus, Google Scholar, SID, Magiran, and IranMedex from 1995 to 2019. The keywords that were searched included “Oak fruit”, “Oak tree”, “Jaftex mouthwash”, “Antibacterial”, “Antimicrobial”, and “Microorganism”. Results Review of previous studies showed that oak fruit, Jaft, and Jaftex mouthwash have antimicrobial properties against different microorganisms. Jaftex mouthwash significantly reduced number of microorganisms in mouth, however it had less antimicrobial effect compared to chlorhexidine. Jaftex had a greater inhibitory effect on bacterial growth than Matrica and Persica. Conclusion Oak fruit and Jaft have antibacterial properties which is related to presence of phenols, tannin, proteins. Various studies confirmed antibacterial property of these types of plants. The antibacterial characteristics of Jaftex mouthwash is mainly related to Jaft extract. Jaftex is recommended as an antibacterial mouthwash. [ABSTRACT FROM AUTHOR]