No case or screen protector for the last three months and everything is fine so far. No scratches.

Sent from my Nexus S using Tapatalk 2
Current: Sony Xperia Z Ultra, Nokia Lumia 820

Had: Nexus 5, Nexus 4, Nexus S, Samsung Galaxy Note 1 , HTC Sensation 4g, HTC Inspire 4g, HTC Desire HD, Nexus One

TSTT, Trinidad and Tobago