Re-tightening, as the manufacturer states it
Straumann states no re-tightening interval in the documents we read (BLX, TLX, BLT, Bone Level prosthetics, Screw-retained Abutments).
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IMPLANT TORQUE · STRAUMANN
Straumann torque values.
One implant site. Five moments where a number decides whether the screw holds: placement, healing, abutment, prosthesis, re-tightening. Every value below is quoted from Straumann documentation, with the document named beside it.
Scale 0–70 Ncm. Select a component to move the pointer. Values beyond the scale sit at its end.CONNECTIONSCrossFit (BL/BLT) · TorcFit (BLX) · TLX NT/RT/WT
LINES COVEREDBone Level · BLT · BLX · TLX · Screw-retained Abutment (Pro Arch)
TrazaLabTORQUE SCALE StraumannManufacturer document
EDITORIAL VISUALIZATION≥ 35Ncm
PLACEMENTBLX · TLX, immediate function
Floor, not ceiling. “Excessive insertion torque must be avoided because this can lead to resorption of the bone.” No numeric maximum is published; the Loxim transfer piece breaks at 80 Ncm.
DRIVERRatchet + Torque Control Device
Straumann BLX Implant System — Basic Information (702115, © 2024)
THE VALUES
Every component, its number, its document.
Rows are grouped in treatment order. Where Straumann publishes a hand-tight instruction instead of a number, the row says so. Where nothing is published, the row says that too.
| Component | Applies to | Torque | From the document | Source |
|---|---|---|---|---|
| PlacementInsertion torque of the fixture | BLX · TLX, immediate function Driver: Ratchet + Torque Control Device | ≥ 35Ncm | Floor, not ceiling. “Excessive insertion torque must be avoided because this can lead to resorption of the bone.” No numeric maximum is published; the Loxim transfer piece breaks at 80 Ncm. | Straumann BLX Implant System — Basic Information (702115, © 2024)Manufacturer document |
| PlacementInsertion torque of the fixture | BLT (CrossFit) Driver: Loxim + Ratchet | > 35 → checkNcm | If more than 35 Ncm is reached before the implant is fully seated, check the osteotomy to avoid bone over-compression. | Straumann BLT Surgical Procedures (NAMLIT.1043, © 2023)Manufacturer document |
| HealingHealing abutment · cover screw | Healing caps · closure screws Driver: SCS Screwdriver | 15Ncm | Torque tables list 15 Ncm; the step-by-step text says “hand-tighten the healing abutment”. Both are Straumann. | Straumann Bone Level Prosthetic Procedures (702061, © 2026)Manufacturer document |
| AbutmentFinal abutment screw at implant level | Final abutment, all BL / BLX / TLX platforms, straight and angled Driver: SCS Screwdriver + Ratchet + Torque Control Device | 35Ncm | “Tighten the screw to 35 Ncm.” Not differentiated by platform (NC, RC, RB, WB, NT, RT, WT). | Straumann Bone Level Prosthetic Procedures (702061, © 2026)Manufacturer document |
| Multi-unitMulti-unit abutment into the implant | Screw-retained Abutment, straight and angled (basal screw) Driver: SCS Screwdriver | 35Ncm | Model abutments must also be torqued to 35 Ncm; a hand-tight abutment misrepresents the oral fit. | Straumann Screw-retained Abutments (702880, © 2026)Manufacturer document |
| Prosthetic screwScrew that holds the prosthesis on the abutment | Occlusal screw on Screw-retained Abutment Driver: SCS Screwdriver | 15Ncm | “Tighten the occlusal screw to 15 Ncm.” Same value for the temporary coping on the abutment. | Straumann Screw-retained Abutments (702880, © 2026)Manufacturer document |
| TemporaryTemporary abutment or coping | Temporary abutment, implant level Driver: SCS Screwdriver | 15–35Ncm | “Tighten the screw between 15 Ncm and 35 Ncm.” Protective caps: hand-tight. Scanbody screw: hand-tight, maximum 15 Ncm. | Straumann Bone Level Prosthetic Procedures (702061, © 2026)Manufacturer document |
Documents read
- Straumann BLX Implant System — Basic Information (702115, © 2024)
- Straumann TLX Implant System (702854, © 2024)
- Straumann BLT Surgical Procedures (NAMLIT.1043, © 2023)
- Straumann Bone Level Prosthetic Procedures (702061, © 2026)
- Straumann Screw-retained Abutments (702880, © 2026)
Newest revision read: 2026. Manufacturers revise these documents; the revision printed on your IFU wins.
Values are quoted from manufacturer documentation and can change by component, platform and revision. Confirm the IFU for the component and lot in your hand before torquing.
WHY THE SCREW LOOSENS
You torqued it. Then the metal settled.
Torque creates preload — the clamping force that keeps abutment and implant pressed together. Microscopic peaks on the thread surfaces flatten under that load, and part of the preload is gone before the patient leaves the chair. The literature calls it the settling effect, or embedment relaxation.
PRELOAD
EDITORIAL VISUALIZATIONThe wrench clicks at the manufacturer’s value.
Preload
LITERATURE
- Winkler S, Ring K, Ring JD, Boberick KG. Implant screw mechanics and the settling effect: overview. J Oral Implantol 2003;29:242–245.
- Siamos G, Winkler S, Boberick KG. Relationship between implant preload and screw loosening on implant-supported prostheses. J Oral Implantol 2002;28:67–73.
- Implant Screw Loosening: A Narrative Review of Medium- and Long-Term Clinical Evidence. Applied Sciences 2026;16:6253.
ONE SITE, FIVE MOMENTS
Where the numbers appear in the treatment.
Site 36, one fixture, one crown. The same Straumann values from the table, placed on the moment each one is read off the wrench.
EDITORIAL VISUALIZATION- 01PLACEMENT≥ 35NcmFixture seated
BLX · TLX, immediate function
- 02HEALING15NcmHealing abutment on
Healing caps · closure screws
- 03ABUTMENT35NcmFinal abutment torqued
Final abutment, all BL / BLX / TLX platforms, straight and angled
- 04PROSTHESIS15NcmCrown screw seated
Occlusal screw on Screw-retained Abutment
- 05RE-TIGHTENING35NcmSame value, second pass
Final abutment, all BL / BLX / TLX platforms, straight and angled
Shown as the same value as the abutment row. Whether and when to re-tighten follows the manufacturer statement quoted in the values section.
AFTER THE CLICK
The value you applied is the value the laboratory should read.
In TrazaLab the implant line on a tooth site keeps system, platform, connection, abutment and applied torque together. It travels into the Digital Rx and onto the laboratory’s per-tooth sheet. An unconfirmed torque is not blank — the laboratory sees it as a gap.
See the Digital RxTrazaLabTREATMENT DESIGN · TOOTH 36Digital Rx
TREATMENT DESIGN · TOOTH 36
IMPLANT SYSTEMStraumann
PLATFORMBone Level
CONNECTIONCrossFit (BL/BLT)
ABUTMENTFinal abutment
TORQUE APPLIED35 Ncm
DIGITAL RXTorque applied · 35 Ncm
LABORATORY · PER-TOOTH SHEET36 · implant crown · torque 35 Ncm
OTHER SYSTEMS
Nine systems, one way of reading them.
Each page is built the same way: quoted values, the document beside them, and the gaps stated as gaps.
ENVISTA
Nobel Biocare
35Ncm
Final abutment · Conical Connection (CC) · Tri-channel (NobelReplace) · External hex (Brånemark)
STRAUMANN GROUP
Straumann
35Ncm
Final abutment · CrossFit (BL/BLT) · TorcFit (BLX) · TLX NT/RT/WT
STRAUMANN GROUP
Neodent
20Ncm
Final abutment · Grand Morse (GM) — one prosthetic platform for Helix, Drive, Titamax, Helix Long and Zygoma
ZIMVIE
Zimmer Biomet
30Ncm
Final abutment · Tapered Screw-Vent internal hex (TSV · TM · TSX) · 3i Certain internal · 3i External hex
MIS IMPLANTS TECHNOLOGIES (DENTSPLY SIRONA)
MIS
30Ncm
Final abutment · Conical connection (C1 · V3) · Internal hex (Seven · M4) · Multi-Unit · CONNECT
OSSTEM IMPLANT
Osstem
20 · 30Ncm
Final abutment · TS internal conical hex — mini and regular platforms (TS II · TS III · TS IV)
BIOHORIZONS CAMLOG
BioHorizons
30Ncm
Final abutment · Internal hex (Tapered Internal · Tapered Pro · Tapered Plus · 3.0 · Tissue Level) · Conical (Tapered Pro Conical)
MEGAGEN IMPLANT
Megagen
25Ncm
Final abutment · AnyRidge internal conical · Blue Diamond conical · AnyOne External hex
OSSTEM IMPLANT (US)
Hiossen
20 · 30Ncm
Final abutment · ET / EK internal conical hex — mini and regular platforms · SS (Octa) · EM
QUESTIONS
Asked before the wrench is set.
Values are quoted from manufacturer documentation and can change by component, platform and revision. Confirm the IFU for the component and lot in your hand before torquing.
01Is the Straumann abutment torque different for NC and RC platforms?+
No. The Bone Level prosthetic procedures give 35 Ncm for the final abutment screw on every platform, including angled abutments. Only the healing components (15 Ncm) and the occlusal screw on a Screw-retained Abutment (15 Ncm) differ.
02What is the maximum insertion torque for Straumann BLX?+
Straumann publishes a floor, not a ceiling: at least 35 Ncm for immediate function, with a warning that excessive insertion torque can lead to bone resorption. The Torque Control Device scale ends at 80 Ncm, which is also the Loxim breaking point. Any ‘70 Ncm maximum’ you find elsewhere is not in the BLX or TLX documentation we read.
03Do these Straumann values replace the IFU?+
No. They are quoted from the manufacturer documents listed on this page, with the revision year noted. The IFU packed with your component and lot is the instruction; this page puts the values next to the treatment step and the case record.
04Should I re-tighten after ten minutes?+
The literature on the settling effect widely advocates a second application at the same value after about ten minutes, and in vitro work shows it partially restores preload. The evidence for a fixed interval is limited. The manufacturer statement for this system is quoted in the values section; where it says nothing, this page does not turn that silence into a rule.
05Where does the applied torque go after the appointment?+
In TrazaLab it is a field on the implant line of the tooth site, next to system, platform, connection and abutment. The Digital Rx carries it to the laboratory, whose per-tooth sheet prints the torque. If it was never confirmed, the packet shows “Not on Rx” instead of a number.
AFTER THE CLICK
Read the value here. Keep it in the case.
TrazaLab records the implant line with its torque on the tooth site, writes it into the Digital Rx, and shows the laboratory exactly what was applied — or exactly what was not confirmed.