yes sure. In fact with Thailand there seems to be more scrutiny from air. That's what reports say. When talking to IO's make sure your polite and well dressed
you should be fine then. Its when people use this entry many times that IMMIGRATION take a closer look. Their Computer systems are all linked to the history now enjoy!
how many times have you entered Thailand in 12 months on 60-day Visa Exempt? If multiple times the IO can see your computer records and deny you entry.