background: khat chewing is popular among yemenis. this study was performed to investigate the effects of khat chewing on periodontal tissue and oral hygiene status. methods: a total of 730 subjects (336 chewers and 394 non-chewers with a mean age of 31.5 ± 0.8 and 29.4 ± 0.9 years, respectively) were involved. clinical data on periodontal tissues, oral hygiene status, gingival bleeding, burnin...

Tissue-engineered oral mucosal equivalents have been developed for clinical applications and also for in vitro studies of biocompatibility, mucosal irritation, disease, and other basic oral biology phenomena. This paper reviews different tissue-engineering strategies used for the production of human oral mucosal equivalents, their relative advantages and drawbacks, and their applications. Techn...

myiasis is the condition of infestation of the body by fl y larvae (maggots). the deposited eggs develop into larvae, which penetrate deep structures causing adjacent tissue destruction. it is an uncommon clinical condition, being more frequent in tropical countries and hot climate regions, and associated with poor hygiene, suppurative oral lesions, alcoholism and senility. the diagnosis of myi...

The gum is a complex organ consisting of 3 distinct parts (the junction epithelium, the most internal part, oral sulcular epithelium and gingival external part). Thanks to our innovative reconstruction techniques, several 3D models have been developed in order test natural active ingredients improving health. A new method allowed us successfully isolate cultivate both fibroblasts keratinocytes ...