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Bird Beak (Angle 139) Orthodontic Plier
Professional orthodontic forming plier with long-tip Fig. 2 bird beak geometry for precise loop winding, wire bending, and appliance adjustment applications.
Key Features:
• Made of 440A surgical-grade stainless steel with high-polish corrosion-resistant finish
• 140mm overall length ensures stable handling and controlled orthodontic manipulation
• 13.8mm conical round beak paired with hollow square pyramid beak design
• Hollow channel beak enables controlled engagement during loop and clasp formation
• Smooth beveled jaws reduce wire surface marking during forming procedures
• Handles round orthodontic wire up to 0.030″ (0.76mm) diameter
• Extended tip design allows progressive loop size variation from tip to base
• Box-joint hinge maintains precise jaw alignment during full closure
• Autoclavable at 134°C for repeated clinical sterilization cycles
Bird Beak (Angle 139) Orthodontic Plier
The Bird Beak (Angle 139) Orthodontic Plier measures 140mm in total length and is constructed from 440A surgical-grade stainless steel with a high-polish finish. The jaw pairs one smooth round conical beak; measuring 13.8mm in length from base to tip, with one hollow square pyramid beak whose inner channel receives the round beak during jaw closure. The hollow square profile is clearly shown in the jaw diagram as an open rectangular outline, distinguishing this Fig. 2 configuration from the solid pyramid beak found in shorter 139 variants. Both beak surfaces are smooth with beveled edges. The instrument handles round stainless-steel wire up to 0.030 inches (0.76mm) in diameter.
The 13.8mm cone length gives the operator a longer contact arc during loop winding, producing smaller, tighter loop diameters at the tip and progressively larger loops moving toward the beak base. This graduated winding range is the primary advantage of the long-tip design over snub-nose 139 variants. The box-joint hinge maintains jaw alignment throughout the closure arc. The Bird Beak Pliers Orthodontic Angle designation covers this same long-tip Fig. 2 geometry across international orthodontic catalogs. The instrument is fully autoclavable at 134°C.
Orthodontists and dental lab technicians use the Bird Beak (Angle 139) Orthodontic Plier for forming loops, adjusting clasps, bending springs, and shaping wire components across both fixed and removable appliance work. The extended cone tip accesses confined posterior areas and produces consistent small-diameter loops in retainer wire frameworks.
Leader Surgical produces this instrument to verified 13.8mm cone-length tolerances and hollow-beak channel dimensions, meeting the multi-purpose demands of 139 Bird Beak Pliers, Long Tip clinical use across lab and chairside applications.
What is the maximum wire capacity for this plier?
Most standard #139 pliers are designed to handle round wires up to 0.030″ (0.76 mm). Some heavy-duty variants can accommodate wires up to 0.032″, while “Light Wire” versions may be capped at 0.018″ to prevent tip damage.
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