Dental In maxillary 1st permanent molar, the 2 obtuse angles are A Mesiolingual and mesiofacial B Mesiofacial and distolingual C Distofacial and mesiolingual D Distofacial and mesiofacial π‘ Explanation In maxillary 1st permanent molar, the 2 obtuse angles are β Correct Answer: C. Distofacial and mesiolingual