sH4L
Premolar and Molar.
Left-curve. First instrument 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.
Suitable for