Model vs model
Premium vs mid-range vs value: Straumann BLX, Osstem TSIII and Implant Direct Legacy
One everyday implant from each price level, so you can see what actually differs.
The main differences
- Price level differs. Straumann BLX: premium (€€€) · Osstem TSIII: mid-range (€€) · Implant Direct Legacy: value (€).
- They come from different countries. Straumann BLX: 🇨🇭 Switzerland · Osstem TSIII: 🇰🇷 South Korea · Implant Direct Legacy: 🇺🇸 United States.
- Different materials. Straumann BLX: Titanium–13 zirconium alloy (Roxolid®) · Osstem TSIII: Commercially pure titanium grade 4 · Implant Direct Legacy: not verified.
Highlighted rows differ.
| Attribute |  Straumann BLX€€€ PremiumGet a quote | Osstem TSIII€€€ Mid-rangeGet a quote |  Implant Direct Legacy€€€ ValueGet a quote |
|---|---|---|---|
| At a glance | |||
| Brand | Straumann | Osstem | Implant Direct |
| Brand country | 🇨🇭 Switzerland | 🇰🇷 South Korea | 🇺🇸 United States |
| Price level | €€€ Premium | €€€ Mid-range | €€€ Value |
| Type | Everyday bone-level implant | Everyday bone-level implant | Everyday bone-level implant |
| Designed forSituations where dentists often consider it | Implants placed straight after a tooth is removed; Soft bone, where extra grip helps | Everyday single-tooth and bridge cases; Patients looking for a widely used mid-range implant | Everyday cases at a value price level |
| Design | |||
| MaterialWhat the implant screw is made of | Titanium–13 zirconium alloy (Roxolid®) | Commercially pure titanium grade 4 | Not verified |
| SurfaceHow the surface is treated so bone grows on | SLActive® (hydrophilic) or SLA® | SA (sand-blasted, acid-etched) | Not verified |
| ConnectionHow the tooth part attaches | TorcFit™ conical, 6 positions | Internal hex | Internal hex with lead-in bevel |
| Shape | Fully tapered | Tapered, self-tapping | Straight top third, tapered lower two-thirds, buttress threads |
| DiametersHow thick the implant is | 3.5 – 6.5 mm | 3.5 – 6.8 mm (FDA range) | 3.2 mm |
| Lengths | 6 – 18 mm | 7 – 15 mm | Not verified |
| Public record | |||
| FDA 510(k) clearance | Yes: 3 records (e.g. K173961) | Yes: 2 records (e.g. K121995) | Yes: 2 records (e.g. K073033) |
| Good to know | — | — | — |
Design differences are not evidence that one implant gives better results. Your bone, your dentist's experience and your aftercare matter more. Specifications come from FDA 510(k) summaries and manufacturer documents. Open each model for sources.
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Technical comparison for dentists (sourced specifications)
| Attribute | Straumann BLX | Osstem TSIII |
|---|---|---|
| Overview | ||
| Manufacturer | Institut Straumann AG | Osstem Implant Co., Ltd. |
| Status | Currently marketed | Currently marketed |
| Implant type | ||
| Implant levelWhere the top of the implant sits: level with the bone, or higher up in the gum. | Bone level Manufacturer-stated Manufacturer documentation1 source · verified 27 Sept 2026 | Submerged (bone-level) fixture Regulatory record1 source · verified 27 Sept 2026 |
| Body shapeThe overall shape of the screw that goes into the jaw. | Fully tapered body Regulatory record1 source · verified 27 Sept 2026 | Tapered body, self-tapping Regulatory record2 sources · verified 27 Sept 2026 |
| Material & surface | ||
| MaterialWhat the implant screw itself is made of. | Titanium–13 zirconium alloy (Roxolid®) Regulatory recordManufacturer documentation2 sources · verified 27 Sept 2026 | Commercially pure titanium, grade 4 Regulatory record2 sources · verified 27 Sept 2026 |
| Material grade | Not verified | Grade 4 (ASTM F67 cited for the ultra-wide fixture) Regulatory record1 source · verified 27 Sept 2026 |
| SurfaceHow the outer surface is treated so bone can grow onto it. | SLActive® (hydrophilic) or SLA® Manufacturer-stated The 2024 technical document lists both SLActive and SLA article numbers. Market availability of each surface varies by country. Manufacturer documentationRegulatory record2 sources · verified 27 Sept 2026 | SA (sandblasted and acid-etched) Other TSIII surface variants (e.g. CA, SOI) exist in some markets — research pending. Regulatory record2 sources · verified 27 Sept 2026 |
| Connection | ||
| ConnectionHow the visible tooth part (abutment) attaches to the implant. | TorcFit™ — conical connection with Torx-style engaging feature Manufacturer documentationRegulatory record2 sources · verified 27 Sept 2026 | Internal hex Osstem describes a tapered (Morse-type) internal hex; taper angle not yet confirmed from an Osstem primary document. Regulatory record2 sources · verified 27 Sept 2026 |
| Connection angle | 7° conical prosthetic connection (plus 22.5° shoulder on WB) Manufacturer-stated Manufacturer documentation1 source · verified 27 Sept 2026 | Not verified |
| Anti-rotation index | 6 positions (Torx-style) Manufacturer-stated Manufacturer documentation1 source · verified 27 Sept 2026 | Not verified |
| Prosthetic platforms | RB (Regular Base, neck Ø3.5 mm) and WB (Wide Base, neck Ø4.5 mm); identical inner connection for all diameters Manufacturer documentationRegulatory record2 sources · verified 27 Sept 2026 | Not verified |
| Size range | ||
| DiametersHow thick the implant is. Your dentist chooses based on your bone. | Ø3.5, 3.75, 4.0, 4.5, 5.0, 5.5, 6.5 mm (endosteal) Manufacturer-stated Manufacturer documentation1 source · verified 27 Sept 2026 | Range Ø3.5–6.8 mm across TS fixtures in the 2012 FDA summary (measured values; nominal catalogue diameters pending) Regulatory record1 source · verified 27 Sept 2026 |
| LengthsHow long the implant is. Shorter ones are used where there is less bone. | 6, 8, 10, 12, 14, 16, 18 mm Manufacturer-stated Not every length exists in every diameter: 6 mm is not listed for Ø3.5; 18 mm is listed up to Ø5.0 only. Manufacturer documentation1 source · verified 27 Sept 2026 | 7.0–15.0 mm (2012 FDA summary) Regulatory record1 source · verified 27 Sept 2026 |
| Macrogeometry | ||
| Thread design | Self-cutting threads; pitch 1.7–3.1 mm depending on diameter and length Manufacturer-stated Manufacturer documentation1 source · verified 27 Sept 2026 | Not verified |
| Apex | 2 or 4 apical cutting edges depending on diameter Manufacturer-stated Manufacturer documentation1 source · verified 27 Sept 2026 | Not verified |
| Neck / collar | Neck height 1.0–2.0 mm with micro-threads (0.5–1.0 mm), varying by length Manufacturer-stated Manufacturer documentation1 source · verified 27 Sept 2026 | Not verified |
| Indications | ||
| Immediate function (labeling)Whether a temporary tooth may be fitted on the same day, according to official labeling. What the regulatory labeling permits. It is not evidence that immediate loading works better with this system. | US labeling: immediate function on single-tooth applications when good primary stability and appropriate occlusal loading are achieved Labeling wording, not evidence of clinical superiority. Regulatory record1 source · verified 27 Sept 2026 | Not verified |
| Restrictions & cautions | Manufacturer advises particular care placing Ø3.5 mm implants in molar or other high-load situations Manufacturer-stated Manufacturer documentation1 source · verified 27 Sept 2026 | Not verified |
| Surgical protocol | ||
| Max insertion torque | Not verified | Not verified |
| Regulatory & safety | ||
| FDA 510(k) records linked | 5 earliest 5 Jun 2018 | 2 earliest 29 Nov 2012 |
| FDA recall records found | None found openFDA search “BLX”, 27 Sept 2026. No result is not proof of no recall. | None found openFDA search “TSIII”, 27 Sept 2026. No result is not proof of no recall. |
Highlighted rows differ between systems. A difference in design or labeling is not evidence that one system gives better clinical results.
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Which is better, Straumann BLX or Osstem TSIII or Implant Direct Legacy?
Neither is better for everyone. Straumann BLX is built for grip in soft bone and for same-day teeth; Osstem TSIII is the korean workhorse implant used in clinics worldwide; Implant Direct Legacy is value implant with a familiar internal-hex design. The right choice depends on your bone, your treatment plan, your budget and your dentist's experience with the system.
What is the price difference between Straumann BLX and Osstem TSIII and Implant Direct Legacy?
Straumann BLX is usually a premium (€€€) option; Osstem TSIII is usually a mid-range (€€) option; Implant Direct Legacy is usually a value (€) option. Actual prices depend on the clinic, country and what is included. Request a free quote to see both side by side for your case.
Can I ask my dentist to use a different brand?
Yes, you can ask. Many clinics offer several brands at different price levels. Ask why they recommend a particular system and whether they use it regularly.
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