3 products

Remove all
1S Wakai Spreader (22mm)
Add wishlist Delete wishlist Add compare Delete compare
Quick view

1S Wakai Spreader (22mm)

$14.99

1S Wakai Spreader (22mm)

$14.99

In stock 86 Products

Quick view Add compare Delete compare
2S Wakai Spreader (22mm)
Add wishlist Delete wishlist Add compare Delete compare
Quick view

2S Wakai Spreader (22mm)

$14.99

2S Wakai Spreader (22mm)

$14.99

In stock 99 Products

Quick view Add compare Delete compare
GP1 Spreader (20mm)
Add wishlist Delete wishlist Add compare Delete compare
Quick view

GP1 Spreader (20mm)

$14.99

GP1 Spreader (20mm)

$14.99

In stock 98 Products

Quick view Add compare Delete compare

Fortec Dental Instruments • Spreaders

Dental Spreaders – Slim, Tapered & Precisely Calibrated for Accurate Gutta-Percha Compaction in Root Canal Therapy

At Fortec International, our Dental Spreaders are crafted from high-grade, corrosion-resistant stainless steel with slim, precision-tapered tips engineered for controlled lateral compaction of gutta-percha during root canal treatment. Whether working in narrow anterior canals or wider molar canals, these spreaders allow clinicians to create space for additional gutta-percha cones, achieve a dense, hermetic fill, and produce consistent, predictable obturation outcomes — procedure after procedure. Available in Wakai 1S, Wakai 2S (22mm), and GP1 (20mm) configurations at $14.99 each — fully autoclavable, CE, ISO 9001, ISO 13485, and FDA certified, and trusted by dental professionals across Canada.

Why Choose Fortec Dental Spreaders

Fortec spreaders are designed for endodontists and general practitioners who demand accuracy and control during lateral compaction obturation. The quality of gutta-percha spreading directly determines the density and seal of the final root canal fill — a poorly fitting or imprecisely tapered spreader leads to voids, inadequate compaction, and compromised long-term outcomes. Fortec spreaders deliver the tip precision, taper consistency, and handle control that support reliable, reproducible obturation in canals of every size and anatomy.

  • Slim, precision-tapered tips that penetrate deep into root canals alongside gutta-percha cones, creating controlled lateral space for additional cone placement without ledging or canal wall damage.
  • Smooth, polished surface finish that reduces friction during insertion and withdrawal, allowing the instrument to move cleanly through the canal and release from gutta-percha without sticking.
  • High-grade stainless steel construction that maintains tip calibration and taper geometry through repeated use and autoclave sterilization cycles without deformation or corrosion.
  • Ergonomic, balanced handle design providing steady fingertip control and consistent rotational force during compaction — reducing hand fatigue across multiple canal treatments in a single session.
  • Compatible with single-cone and multi-cone techniques — versatile enough to support both standard lateral compaction and modified obturation workflows across all canal morphologies.

Achieve a Denser, More Predictable Root Canal Fill

Whether you are equipping an endodontic setup or restocking your obturation instrument tray, choose Fortec Dental Spreaders — precisely tapered, polished, and available in Wakai 1S, Wakai 2S, and GP1 configurations to suit every canal size and technique. Pair with Fortec heat carriers and pluggers for a complete, high-performance obturation system trusted by dental professionals across Canada.

View Spreaders Collection

FAQ – Dental Spreaders | Fortec Canada

Frequently Asked Questions

Everything you need to know about Fortec's dental spreaders — models, handle designs, clinical uses, technique, and care.

Fortec carries 3 dental spreader products, all priced at $14.99 each:

1S Wakai Spreader (22mm) — $14.99
2S Wakai Spreader (22mm) — $14.99
GP1 Spreader (20mm) — $14.99

All three are made from medical-grade stainless steel with slim, tapered working tips, polished surfaces, and ergonomic handles. They are fully autoclavable and available in stock for immediate order across Canada at fortec.ca.
A dental spreader is a hand instrument used during root canal obturation — specifically during the cold lateral compaction technique — to compress and laterally displace the master gutta-percha cone within the prepared root canal, creating space alongside the cone into which additional accessory gutta-percha cones are inserted. This process is repeated sequentially until the canal is filled with a dense, tightly adapted mass of gutta-percha from the apical terminus to the coronal orifice.

The spreader's slim, tapered, pointed tip is its defining design feature — it is engineered to penetrate between the master cone and the canal wall without cutting or tearing the gutta-percha, displacing it laterally rather than compressing it vertically. This lateral displacement creates a distinct space that exactly accommodates the next accessory cone, building the fill layer by layer.

An accurate, dense lateral compaction obtained with a well-fitting spreader is the foundation of a hermetically sealed root canal — the clinical endpoint that determines long-term endodontic success by preventing recontamination of the canal system through apical microleakage.
The three Fortec spreader models differ in tip taper, tip diameter, and handle length — each optimised for different canal sizes and clinical preferences:

1S Wakai Spreader (22mm) — the finer of the two Wakai designs, with a slim taper suited to narrower canals and tighter spaces. The 1S tip penetrates more deeply into fine-to-medium calibre canals before binding, making it the preferred choice for the initial spreader placement in the apical third and for working in narrow mandibular incisor, lower premolar, and mesiobuccal molar canals. The 22mm handle length is optimised for posterior access.

2S Wakai Spreader (22mm) — a slightly broader taper than the 1S, designed for mid-range canal diameters. The 2S is used for successive spreader placements after the initial apical penetration with the 1S — as accessory cones build up the fill coronally, the 2S engages the widening canal diameter more effectively than the finer 1S tip. The same 22mm handle provides consistent ergonomics across both Wakai models.

GP1 Spreader (20mm) — a compact 20mm handle design suited to confined intraoral access, particularly useful for patients with limited mouth opening or when working in the posterior quadrant with restricted interocclusal space. The GP1 tip geometry is calibrated for general-purpose lateral compaction across a broad range of canal types and is a versatile single-instrument choice for practitioners who prefer a compact spreader profile.
Spreaders and pluggers are both essential endodontic obturation instruments but perform entirely different and non-interchangeable functions:

Spreaders have a tapered, pointed tip and work by applying lateral force — they penetrate between the master cone and the canal wall, displacing gutta-percha sideways to create space for the next accessory cone. They move material horizontally across the canal width.

Pluggers have a flat or blunt tip and work by applying vertical force — they press down into the gutta-percha mass to condense and densify it, eliminating voids and compacting the fill apically. They move material vertically down the canal length.

In the standard cold lateral compaction sequence, the spreader and plugger are used in alternation throughout obturation: the spreader penetrates and displaces, an accessory cone is inserted into the created space, the plugger compacts the accumulated material, the spreader penetrates again, another cone is added, and so on — until the canal is fully obturated. Omitting either instrument from the setup compromises the technique and the quality of the final seal.

Fortec carries both single-ended pluggers and double-ended pluggers to complete the obturation instrument set alongside these spreaders.
The Wakai design is a well-established spreader handle configuration widely used in endodontic instrument sets worldwide. It is characterised by a finger-ring handle — a circular loop at the non-working end of the instrument — which allows the clinician to place a finger through the ring during insertion and removal of the spreader from the canal. This design provides several important clinical advantages:

Controlled force application — the ring handle allows precise, finger-guided pressure during apical penetration, reducing the risk of applying excessive force that could cause root fracture, particularly in curved or narrow canals where the spreader tip is under significant lateral stress.

Safe removal — the ring enables controlled withdrawal of the spreader against the elastic recovery forces of the compressed gutta-percha without the risk of the handle slipping from the fingers, which could dislodge the master cone or disturb the fill.

Tactile sensitivity — finger-ring handles transmit canal resistance feedback directly to the fingertip rather than through a palm grip, improving the clinician's ability to detect binding before excessive stress is placed on the root.

The 1S and 2S Wakai Spreaders from Fortec combine this proven handle design with precisely machined stainless steel tips calibrated to the two most clinically useful taper sizes for general endodontic practice.
Spreader selection is based on the prepared canal diameter and the access characteristics of the tooth being treated. The correct spreader for a given case is the instrument whose tip can be passively inserted to within 1–2mm of the working length alongside the fitted master cone — deep enough to effectively displace the cone and create space for an accessory cone at the apical third, without binding at a level too coronal to achieve an adequate apical seal.

A practical pre-obturation step is to trial-fit the spreader dry before placing the master cone. Insert the spreader into the empty, dried canal and confirm it reaches the target depth without force. If it binds at the coronal third, the tip is too large; if it reaches working length without any resistance, the preparation may need to be adjusted, or a smaller accessory cone taper should be selected.

As a general guide: the 1S Wakai is the first choice for narrow-to-medium canals and initial apical penetration in most cases; the 2S Wakai is used for subsequent placements as the fill builds coronally and the effective diameter increases; the GP1 suits cases where a compact instrument is needed for access or where a single versatile spreader is preferred. Stocking all three models at $14.99 each ($44.97 total) provides complete spreader coverage across all canal types and operatory scenarios.
Fortec stainless steel spreaders are primarily designed for and used in cold lateral compaction — the most widely taught and practised root canal obturation technique globally — but they also play supporting roles in other obturation approaches:

Cold lateral compaction — the core application. The spreader is used repeatedly throughout the obturation sequence to laterally displace the master cone and create space for each successive accessory cone layer until the canal is completely filled. This technique relies entirely on the spreader for building the volume of the gutta-percha fill and is the most common technique in both general practice and specialist endodontics.

Warm lateral compaction — a variation in which the spreader tip is briefly heated before insertion to slightly soften the gutta-percha and allow deeper apical penetration, improving adaptation in curved or irregularly shaped canals. Stainless steel spreaders are used for the warm lateral technique; the brief heat exposure does not affect the instrument's structural integrity.

Hybrid techniques — some clinicians combine warm vertical downpacking for the apical third with cold lateral compaction for the coronal portion. In these approaches, spreaders are used for the coronal lateral compaction phase following the warm vertical apical fill.

For single-cone or thermoplasticised obturation techniques, spreaders are generally not part of the primary workflow — though they may be used for minor adjustments or accessory cone additions when needed.
Vertical root fracture is a recognised risk associated with excessive lateral compaction forces during spreader use, particularly in teeth with thin root walls such as mandibular incisors, upper lateral incisors, and mesial roots of lower molars. Several precautions significantly reduce this risk:

Use the correct spreader size — a spreader that binds in the coronal third before reaching the target depth concentrates all lateral force at one narrow point on the root wall rather than distributing it along the taper. Always pre-fit the spreader dry and confirm it reaches within 1–2mm of working length before obturation begins.

Apply rotational motion — insert the spreader with a gentle back-and-forth quarter-turn rotation rather than pure apical pressure. This reduces the lateral stress on the canal wall at any given point during penetration and allows the tip to advance more smoothly alongside the gutta-percha.

Do not apply sustained compaction force — the spreader should be held at depth under light pressure for no more than 15–30 seconds before removal. Prolonged sustained lateral force is a key risk factor for craze line and fracture initiation.

Never force a spreader that binds coronally — if the spreader cannot reach the target depth without significant resistance, select a smaller tip size rather than applying additional force. The Wakai finger-ring handle design specifically aids in controlled, fingertip-guided insertion to prevent accidental over-force.
After each use, wipe the spreader tip with dry gauze immediately upon withdrawal from the canal while any gutta-percha or sealer residue is still soft. Dried sealer on the polished tapered tip surface roughens the finish over time and causes the spreader to drag against the canal walls on subsequent uses rather than sliding cleanly alongside the gutta-percha — prompt post-use wiping is the single most important maintenance step for preserving spreader performance.

Any remaining sealer or gutta-percha residue that has hardened on the tip should be dissolved with an appropriate solvent such as chloroform or eucalyptus oil before ultrasonic cleaning. Place the instrument in an ultrasonic bath to remove all residual contamination from the tapered tip, shaft, handle, and — for Wakai models — the finger ring and its junction with the handle shaft, where debris can accumulate.

Inspect the tapered tip after cleaning for any bending or deformation — a bent tip delivers uneven lateral force during the next use and should not be returned to service. The polished stainless steel surface should remain smooth and bright; pitting or corrosion indicates the instrument has reached the end of its service life.

Autoclave sterilisation is the fully supported method for all Fortec stainless steel spreaders. For complete care protocols, refer to Fortec's Instruments Care and Maintenance Care guides.
Yes — Fortec offers free Canada-wide shipping on all orders over $195 before taxes, shipping from their warehouse at 1011 Hualtain Court, Unit 14, Mississauga, Ontario, L4W 1W1. At $14.99 per spreader, all three spreader models together total just $44.97 — combining them with pluggers, rubber dam instruments, or other items from the Fortec endodontics catalogue in a single order is the most efficient way to reach the free shipping threshold. For example, adding the full set of double-ended pluggers ($59.97) to all three spreaders already brings the order to $104.94, and combining with single-ended pluggers covers the remainder comfortably.

All 3 spreader products are in stock and available for immediate order at fortec.ca/collections/spreaders. Fortec's customer care team is available Monday to Friday, 8:00 AM – 4:00 PM at 1-855-790-7779 or at info@fortec.ca for order assistance. Full shipping details are available on the Shipping Policy page.

My Wishlist

View wishlist

Wishlist is empty.

Compare

Shopping cart

Your cart is empty.

Return to shop
close