The goal of the Kickstarter campaign is to raise $30,000 in the next 40 days.
Zagreb-based startups Oradian, a core microfinance system, and Madbarz, a bodyweight workout app, reached one million users on Thursday.
The Dentologix start-up will go on to present Croatia at the Seedstars Summit in Switzerland.
The two-day conference brings lectures, panels, and speeches from leading experts in the startup industry with the opportunity for networking and insight into the latest market trends.