To investigate the perception of dentists'concerning on measures of occupational protection and provide decision information for enhancing the occupation security.

127 dentists from 52 non-profit hospitals (50 stomatology department in general hospitals and 2 stomatological hospitals) and 75 profit-making hospitals (7 outpatient departments in general hospitals and 68 dental clinics) were involved in the cross-sectional questionnaire survey. The fuzzy comprehensive evaluation method was applied for quantitative analysis to evaluate the factor of occupational protection.

The results showed that the "excellent" and "good" probability of occupational protection in non-profit hospitals were 0. 35, while the probability of "fair" and "poor" were 0. 30 and 0. 17. According to the maximum membership principle, the comprehensive evaluation result was between "excellent" and "good". The probability of "excellent", "good", "fair" and "poor" in non-profit hospitals were 0. 15, 0. 35, 0. 32 and 0. 3 respectively, and the comprehensive evaluation result was “good”.

Awareness occupational protection among dentists in profit-making hospitals is slightly weaker when compared with non-profit hospitals. It is necessary to develop some available intervention measures to guarantee the occupational security for dentists utmost.