Events All events Organizers Watch Certificates Contacts

bg en

Events All events Organizers Watch Certificates Contacts

wStream
Dr. Yana Dermendjieva

Dr. Yana Dermendjieva

Lectures

Activity of selected probiotic strains against P. gingivalis
International online conference Periodontology & Friends · 12 November 2021

Registration, payment, streaming, questions to the speakers and certificate – all in one place.

For participants

Upcoming events
All events
Watch
Certificates
My registration

For organizers

Organizers
Features
Contacts

Information

Help
Troubleshooting
Terms and conditions
RSS
Sitemap

Tools

Clock
World clock
Test pattern – fish
Grid with clock
Colour bars (75%)
Projector calibration
A/V sync test
Test tones

© 2026 wStream project of WebOps

Cookies

We use necessary cookies for the site to work. With your consent we also use analytics, marketing and external services. Terms and conditions

Necessary
Session, language, security. Always on. Analytics
Google Analytics and where your registration came from (sourcebuster cookies). Helps us improve the site. Marketing
Advertising cookies for measuring and personalising ads. External services
Google reCAPTCHA protects the registration and contact forms from spam; Tawk.to live chat on the watch pages.