Table 2. Comparison of the frequency of consumption of cariogenic snacks according to the PAP score.

University	Academic level	PAP score	P value
Tehran (TUMS)	Freshmen	69	0.012*
	Senior	93.17
Shahid Beheshti (SBMU)	Freshmen	83.01	0.611
	Senior	88.35
Islamic Azad (IAU)	Freshmen	62.01	0.015*
	Senior	86.33
Shahed (SUMS)	Freshmen	107.32	0.185
	Senior	88.76

^*p<0.05.

IAUIslamic Azad UniversityPAPplaque-producing and decay-producing potential of the dietSBMUShahid Beheshti University of Medical SciencesSUMSShahed University of Medical SciencesTUMSTehran University of Medical Sciences