Periodontics for the premolar and molar sectors, left-oriented
First instrument in the sequence for treating all the surfaces and the furcations.
• Maxillary: buccal and distal surfaces of sector 2, pivots at 13, then the buccal and mesial surfaces of sector 1.
• Mandibular: buccal and distal surfaces of sector 4, pivots at 43, then lingual and mesial surfaces of sector 3.
