PEEK vs titanium in implant dentistry: what each material is for

Titanium is the long-established standard for the implant body itself. PEEK is a high-performance plastic with real but more specific roles — often in components and temporaries rather than the load-bearing implant.

Last reviewed: 20 July 2026

Meet the materials

Titanium (and titanium alloys) has been the backbone of implant dentistry for decades. Its great advantage is that bone grows directly onto its surface — the osseointegration that locks an implant in place. It is strong, biocompatible and has a very long clinical track record, which is why the great majority of implants placed worldwide, including in Turkey, are titanium.

PEEK (polyether ether ketone) is a strong, lightweight medical-grade polymer used across orthopaedics and dentistry. It is tooth-coloured, flexes a little more like natural tissue than metal, is free of metal taste and thermal conduction, and does not scatter medical scans the way metal can. Those are genuine properties — but they solve different problems than the ones titanium solves.

Where each is actually used

The pattern is clear: PEEK earns its place in components and temporary parts, where its gentleness and tooth-coloured aesthetics help. For the part that must bond to bone and carry chewing loads for decades, titanium (or ceramic zirconia) remains the workhorse.

What about "metal-free" implants?

People who want to avoid metal entirely usually ask about PEEK, but the established metal-free implant body is zirconia — a strong white ceramic. Zirconia implants integrate with bone and are a genuine option for patients with a strong preference for no metal or specific sensitivity concerns, though the evidence base and range of systems are narrower than for titanium, and not every case suits them. A PEEK implant body is far less common in routine practice than either titanium or zirconia. If a clinic offers a "PEEK implant", it is fair to ask exactly which part is PEEK — the body, or the temporary components — because the words are easy to blur.

Honest pros and cons

• Titanium — strengths Decades of evidence, reliable osseointegration, high strength, huge range of systems and reputable brands.
• Titanium — considerations Grey metal can occasionally show through thin gum at the front; true titanium allergy is very rare but exists.
• PEEK — strengths Tooth-coloured, no metal taste or thermal sensitivity, gentle on soft tissue, flexes closer to bone, does not distort scans.
• PEEK — considerations Less proven as a load-bearing implant body; mainly a components and temporary material; long-term data as a primary implant is limited.
• Zirconia — the true metal-free implant White, integrates with bone, good aesthetics; fewer systems, more selective indications, one-piece designs can limit flexibility.

Does the material change the cost?

Material is only one of several things that influence what you pay, and it is rarely the biggest. A titanium implant from a well-known, heavily researched system typically costs more than a lesser-known equivalent, and a zirconia (metal-free) implant or crown can carry a premium over a standard titanium-plus-ceramic combination because of the material and the more selective work involved. PEEK components are not usually a headline cost on their own. Far more of the price is driven by the number of implants, whether grafting is needed, the type of final restoration, and the experience of the team. Choosing a material purely to save money — or paying extra for one marketed as revolutionary — is the wrong lens. The right question is which material suits your case clinically, then what a fair price for that plan looks like.

What this means for a case in Turkey

For almost everyone, the sensible expectation is a titanium implant from a recognised system, possibly with PEEK healing components or temporaries, and a ceramic crown on top. If avoiding metal matters to you, ask specifically about zirconia implants rather than assuming PEEK fills that role. Material choice is one part of a good plan; the surgeon's experience, the specific implant system, sterilisation and aftercare matter at least as much. Read materials and quality and the implants hub, and treat any single "revolutionary material" claim with healthy scepticism.

Frequently asked questions

Is PEEK better than titanium for implants?

Not as a straight replacement. Titanium remains the standard for the implant body that fuses to bone and carries chewing loads, backed by decades of evidence. PEEK is mainly used for components, frameworks and temporaries, where its tooth colour and gentleness on soft tissue are advantages. They tend to complement each other.

Can I get a completely metal-free implant?

Yes, but the established metal-free implant body is zirconia, a strong white ceramic, rather than PEEK. Zirconia integrates with bone and suits patients who want no metal, though there are fewer systems and it is not right for every case. Ask specifically about zirconia if this matters to you.

Is titanium safe? I have heard about metal sensitivity.

Titanium has an excellent long-term safety and biocompatibility record, and true titanium allergy is very rare. If you have known metal sensitivities, raise them with the dentist, who can discuss testing or a zirconia alternative. General information only — discuss your specific situation with a clinician.

Why do some clinics mention PEEK abutments?

PEEK is genuinely useful for healing abutments and temporary components because it is gentle on the gums during healing, tooth-coloured and easy to adjust. This is a normal, sensible use of the material and does not mean the implant body itself is PEEK.

Does titanium ever show through the gum?

Occasionally the grey of a titanium abutment can show through very thin gum tissue at the front of the mouth. In aesthetically sensitive cases dentists may choose a zirconia abutment or manage the gum to avoid this. It is a known consideration, not a common problem.

Which material will I get at a Turkish clinic?

For most patients the expectation is a titanium implant from a recognised system with a ceramic crown, sometimes with PEEK healing components. Zirconia implants are available if you want metal-free. Confirm exactly which materials are used for the implant, abutment and crown before agreeing.

Related reading

• Dental implants in Turkey — main guide
• Implant brands explained
• Materials & quality
• Single tooth implant
• Bone graft materials compared