Summary: OHI-S adds many new dental training categories

Why It Matters: This shows OHI-S is growing its course offerings a lot. They are trying to cover more areas of dentistry.

What Changed:

• The main title changed to "OHI-S - TRAINING COURSES ON DENTISTRY".
• New navigation items like "Learning", "Network", "Market", and "Premium" were added.
• Language options (English, Russian, Spanish, German, Italian, Portuguese, Ukrainian) were added.
• Currency options (EUR, USD, RUB) were added.
• A cookie policy banner was added.
• New sections like "Articles on dentistry", "Every failure is an opportunity to improve", and "Multiply the clinic's income" were added.
• A large section for "Popular categories" was added, listing 14 specific dental fields like Orthodontics, Implantology, and Periodontology.
• A "Popular in Online learning" section was added with new course listings.
• A section highlighting "Who are our lecturers?" was added.
• A "Free Learning" section was added.
• Social media links and a detailed footer with many links were added.
• The pricing table was updated with "Start free trial" and "Choose a tariff" buttons.