Screw-Retained vs Cemented Implant Crowns in Japan Explained

Retention is one variable; the soft tissue collar is another. Our article on keratinized gum tissue around implants covers the assessment that precedes both decisions.

Frequently Asked Questions

Can you see the screw hole in an implant crown?

On a molar or premolar, rarely — the opening is sealed with shade-matched composite on the biting surface. On front teeth the channel is redirected or cement is used instead.

Does a screw-retained crown come loose more often?

Screw loosening is its characteristic complication, but it is a ten-minute retightening rather than a remake. Correct torque and a passive fit make it uncommon.

What happens if cement is left under the gum?

It can provoke peri-implant inflammation. In one endoscopic study, most affected implants had residual cement and most improved within 30 days of its removal.

Can a cemented implant crown be removed if needed?

Sometimes, but usually not without damaging it, so a replacement crown should be budgeted for. This is the main practical argument for screw retention.

Which method lasts longer?

Published five-year survival is comparable — about 96% for both. They differ in complication type, not in whether the tooth survives. Individual results vary.

Risks and limitations. All implant restorations carry risk regardless of retention: screw loosening or fracture, ceramic chipping, loss of cement retention, peri-implant mucositis and peri-implantitis, and in a minority of cases loss of the implant itself. Screw-retained crowns require an access opening whose composite seal may discolor over years and occasionally needs refreshing. Cemented crowns carry the residual-cement risk described above and are difficult to retrieve intact. Smoking, uncontrolled diabetes, untreated gum disease and heavy grinding raise the complication rate for both. Individual results vary. A consultation with a CBCT scan and records is the only way to know which design your case allows.

If you are planning implant treatment from elsewhere in Japan or from abroad and want the restorative design explained before you commit, our implant treatment page outlines how cases are planned here, and our English-speaking team answers questions directly on WhatsApp.