Immediate, non-submerged, three-dimensionally printed, one-piece molar porous root-analogue titanium implants: a 2-year prospective study involving 18 patients

Clinical application of 3D printing porous titanium metal personalized root immediate implant

Status

Recruiting

Phases

Phase 1

Study type

Observational

Source

ChiCTR

Registry ID

ChiCTR2000030870

Enrollment

Unknown

Registered

2020-03-16

Start date

2018-12-04

Completion date

Unknown

Last updated

2020-03-16

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Immediate implant

Interventions

Case series:Clinical observation

Eligibility

Sex/Gender

All

Age

20 Years to 65 Years

Inclusion criteria

Inclusion criteria: The inclusion criteria were patients in need of a replacement for a non-restorable mandibular molar tooth (with the root still in situ). Indications for tooth extraction included root caries, vertical/horizontal root fracture, endodontic lesion, and unsuccessful root canal treatment. Furthermore, the patient had to be willing to adhere to the protocol for immediate implant therapy.

Exclusion criteria

Exclusion criteria: (1) poor oral hygiene; (2) active periodontal infections; (3) uncontrolled diabetes; (4) bruxism; (5) heavy smokers (> 15 cigarettes/day); (6) presence of a significant bone dehiscence impeding immediate placement of implants following tooth extraction; (7) a history of drugs or alcohol abuse.

Design outcomes

Primary

Measure	Time frame
periodontal probing depth;modified plague index;modified sulcus bleeding index;	—

Countries

China

Contacts

Public ContactLiu Changkui

Xi'an Medical University

2727510502@qq.com+86 13319266398

Outcome results

None listed

Source: ChiCTR (via WHO ICTRP) · Data processed: Feb 4, 2026