Dental Surgery is the No. 3 top free iOS app this week, according to research from AppData. The app, from Maura Thompson, is a virtual dentistry game that lets users drill teeth and fill cavities.

Below, we’ve listed the top free iOS apps of the week. The list links to Inside Network’s research about the individual apps, including historical charts, developer information and download information.

To prepare for Mediabistro’s upcoming Media App Summit on December 3, 2012, we spotlight the top free apps every week–helping our readers discover, enjoy and analyze successful content.

Top Free iOS Apps of the Week

1. Hill Climb Racing Hill Climb Racing
2. YouTube YouTube
3. Dental Surgery Dental Surgery
4. Snapchat Snapchat
5. Flow Free Flow Free
6. Are You Quick Enough? 2 Pro Are You Quick Enough? 2 Pro
7. Black Friday Survival Guide Black Friday Survival Guide
8. Emoji 2 Emoticons Free Emoji 2 Emoticons Free
9. Instagram Instagram
10. PITFALL!™ PITFALL!™

More detailed stats are available at AppData Pro, Inside Network’s data service supplying performance data, including historical user data, audience demographics, and company information for developers and applications.