Violation
Which of the following root surfaces have concavities that make root planing difficult?
Mesial of maxillary incisors
Mesial of maxillary first premolars
Lingual of mandibular first premolars
Distal of the palatal roots of maxillary molars
Which of the following root surfaces have concavities that make root planing difficult?
Mesial of maxillary incisors
Mesial of maxillary first premolars
Lingual of mandibular first premolars
Distal of the palatal roots of maxillary molars