# TS4™

> Stepped Rotary + Twin Shaper Sequence

- **Manufacturer:** Perfect Dental (Shenzhen Perfect Medical Instruments)
- **Motion:** Continuous Rotation
- **Alloy:** NiTi
- **Key feature:** Five-instrument sequence combining a 20/.07 orifice opener, 15/.04 glider, 25/.02 Twin Shaper, and 030/.04 + 030/.02 deep-cleaning files at differentiated speeds (350–1000 rpm) per brochure-style IFU

## Specifications

| File | Tip (mm) | Taper | Length | Cross-section | Motion | Speed (rpm) | Torque | Role |
| --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 20/.07 | 0.20 | 7% | 19mm | Not specified in IFU text (no spec card image extracted) | Continuous Rotation | 350-500 | 2.0-3.0 Ncm | orifice opener |
| Glider 15/.04 | 0.15 | 4% | 21mm, 25mm, 31mm | Not specified in IFU text (no spec card image extracted) | Continuous Rotation | 350-500 | 1.0-1.5 Ncm | glide path |
| Twin Shaper 25/.02 | 0.25 | 2% | 21mm, 25mm, 31mm | IFU model code "Twin Shaper" (cross-section geometry not specified in IFU text) | Continuous Rotation | 800-1000 | 1.0 Ncm | finishing |
| Shaper 30/.04 | 0.30 | 4% | 21mm, 25mm, 31mm | Not specified in IFU text (no spec card image extracted) | Continuous Rotation | 1000 | 1.0 Ncm | shaping |
| Finisher 30/.02 | 0.30 | 2% | 21mm, 25mm, 31mm | Not specified in IFU text (no spec card image extracted) | Continuous Rotation | 800 | 1.0 Ncm | finishing |

## Protocol

### Glide Path

1. **K-File Scout** — Use an ISO 010 or ISO 015 K-file to advance with a slight thrust of 2–3 mm, reaching the working length one or more times. Irrigate thoroughly with sodium hypochlorite (per IFU step 3).
   - Confirm working length radiographically before introducing rotary files (per IFU step 2)
2. **Open Orifice with Glider 015/.04** — Use the Glider 015/.04 file to expand the root canal opening at 350–500 rpm and 1.0–1.5 N·cm torque (per IFU step 4 and spec table). _(File: Glider 015/.04 · 350-500 rpm · 1.0-1.5 N·cm)_

### Shaping

1. **Glide Path Preparation with Shaper 030/.04** — Insert the 030/.04 tip into the receding part of the canal and start the motor. Use long, light back-and-forth motions to enter the canal applying very low pressure until you reach the apex. If the apex is not reached in 8 cycles, stop, wash, and re-prepare after dredging with a hand file. Restart and keep rotating and moving in the canal. Once the apex is reached, remove the instrument to avoid excessive expansion (per IFU step 5). _(File: Shaper 030/.04 · 1000 rpm · 1.0 N·cm)_
   - Maximum 8 cycles before withdrawal, wash, and dredging — do not force progress (per IFU step 5)
   - ⚠ Do not force the file — withdraw and re-establish patency with a hand file if progress stops (per IFU step 5)

### Finishing

1. **Twin Shaper Deep Cleaning** — Use the finisher Twin Shaper 025/.02 for deep root canal cleansing. Insert the finisher tip into the root canal, start the motor, and make gentle longitudinal contact with the full length of the canal. Finish over approximately 1 minute (about 60 cycles) (per IFU step 6). _(File: Twin Shaper 025/.02 · 800-1000 rpm · 1.0 N·cm)_
   - Run the Twin Shaper as a longitudinal motion for approximately 60 strokes / 1 minute (per IFU)
2. **Flush and Proceed** — Flush the root canal and move to the next stage of treatment (per IFU step 7).

## Clinical Tips

- Differentiated speeds per spec table: 350–500 rpm for 20/.07 + 15/.04, 800–1000 rpm for Twin Shaper 25/.02, 1000 rpm for 30/.04, 800 rpm for 30/.02 (per IFU spec table)
- IFU step-by-step (section 7) only explicitly uses three files: 015/.04 (step 4, Glider — orifice opening), 030/.04 (step 5, named "shaper" but used for glide-path prep), and 025/.02 (step 6, Twin Shaper finisher). The 20/.07 (19 mm) and 30/.02 appear in the spec table but are not referenced in the IFU step-by-step — they may be optional alternates or coronal flares (per IFU)
- Cross-section geometry is not described in the IFU text (no spec-card image extracted); brochure-style cross-section names should not be assumed
- Storage conditions: 5–35 °C ambient, 30–75% relative humidity, dry and away from light (per IFU section 6)
- Final autoclave: 121 °C / 20 min, 134 °C / 5 min, or 134 °C / 18 min for prion inactivation (per IFU sterilization section)

## Warnings

- Single-use; never reprocess or reuse (per IFU section 3)
- Do not use autoclave above 138 °C, and never above 200 °C including drying (per IFU sterilization section)
- Do not fully immerse in NaOCl; only the working part may contact a max 5% NaCl solution for up to 5 minutes (per IFU section 4)
- Use only with proper torque-controlled handpiece and minimal apical pressure (per IFU section 4)
- Safety not established in pregnant/breastfeeding patients or children (per IFU section 4)
- Contraindicated in patients with nickel allergy (per IFU section 1)

## Contraindications

- patients with known nickel allergy (per IFU)

## Best for

- stepped rotary preparation workflow
- Twin Shaper deep-cleaning finisher
- general posterior shaping with conventional NiTi

## Technical profile

- **Category:** multi-file-rotary
- **Heat treatment:** Conventional
- **Manufacturing method:** ground
- **Pre-bendable:** no
- **Reuse:** Single-use
- **Motor:** any-rotary
- **Glide path requirement:** mechanical-recommended — ISO 010 / 015 K-file scout followed by Glider 015/.04 then Shaper 030/.04
- **Canal suitability:** Curvature: mild, moderate; Canal size: narrow, normal, wide; Calcified canals: no; Retreatment: no; Conservative access: no
- **Content revision:** 2026-05-16

## FAQ

**What alloy is Perfect TS4 made from?**

TS4™ is manufactured from NiTi with conventional heat treatment.

**How many files are in the Perfect TS4 sequence?**

The TS4™ system includes 5 files: 20/.07, Glider 15/.04, Twin Shaper 25/.02, Shaper 30/.04, Finisher 30/.02.

**What is the Perfect TS4 file sequence?**

TS4™ is used in this order: Glider 15/.04 → 20/.07 → Shaper 30/.04 → Twin Shaper 25/.02 → Finisher 30/.02. Per-file speed, torque and technique are in the protocol section above.

**What motion type does Perfect TS4 use?**

TS4™ uses continuous rotation motion.

**What cases is Perfect TS4 best for?**

TS4™ is best suited for: stepped rotary preparation workflow, Twin Shaper deep-cleaning finisher, general posterior shaping with conventional NiTi.

**What speed and torque settings are recommended for Perfect TS4?**

Recommended settings: 350-500–800-1000–1000–800 RPM and 2.0-3.0 / 1.0-1.5 / 1.0 Ncm across the file sequence (refer to official DFU for full per-file parameters).

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_Educational reference for dental professionals. Always confirm settings against the official manufacturer instructions for use before clinical procedures._