رأس كحت لثوي ساتيليك، لليسار، H4L

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.