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Which of the following differentiates mandibular premolars from maxillary premolars? mandibular premolars
1. have pulp horns of equal size
2. have lingual cusps less developed
3. have crowns tilted to the facial
4. have roots much less rounded and bifurcated
5. have trapezoidal shaped facial surfaces
1. have pulp horns of equal size
2. have lingual cusps less developed
3. have crowns tilted to the facial
4. have roots much less rounded and bifurcated
5. have trapezoidal shaped facial surfaces