NCT06449391

Brief Summary

The current clinical implant techniques used include immediate implantation, early implantation, and delayed implantation. With the acceleration of the current pace of life, immediate implantation is increasingly favored by patients due to its advantages such as fewer surgeries, shorter waiting times, and less impact on aesthetics. The research group has shown that the mismatch between traditional implants and extraction sockets in immediate implantation surgery has caused some complications. Therefore, it is believed that 3D printed personalized root shaped implants with certain roughness are more suitable for use in immediate implantation surgery.

Trial Health

77
On Track

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Enrollment
10

participants targeted

Target at below P25 for not_applicable

Timeline
1mo left

Started Apr 2024

Typical duration for not_applicable

Geographic Reach
1 country

1 active site

Status
recruiting

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

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Study Timeline

Key milestones and dates

Study Progress94%
Apr 2024Jun 2026

Study Start

First participant enrolled

April 1, 2024

Completed
2 months until next milestone

First Submitted

Initial submission to the registry

May 27, 2024

Completed
14 days until next milestone

First Posted

Study publicly available on registry

June 10, 2024

Completed
1.6 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

December 31, 2025

Completed
6 months until next milestone

Study Completion

Last participant's last visit for all outcomes

June 30, 2026

Expected
Last Updated

June 10, 2024

Status Verified

June 1, 2024

Enrollment Period

1.8 years

First QC Date

May 27, 2024

Last Update Submit

June 6, 2024

Conditions

Keywords

root analogy implantImmediate implantation

Outcome Measures

Primary Outcomes (1)

  • Alveolar ridge height

    The distance from the top of the alveolar ridge to the tip of the implant

    day 0,12 weeks,24weeks,48weeks

Secondary Outcomes (7)

  • Width of alveolar ridge, buccal and lingual directions

    day 0,12 weeks, 24 weeks, 48 weeks

  • Implant mobility

    day 0,12 weeks

  • Gingival condition

    day 0, 12 weeks, 24 weeks, 48weeks

  • Exploration depth and Exploring bleeding

    12 weeks, 24 weeks, 48 weeks

  • Clinical looseness of implants

    12 weeks, 24 weeks, 48 weeks

  • +2 more secondary outcomes

Study Arms (1)

implanted group

EXPERIMENTAL

This study is a single arm study, with only immediate implantation of root analogy implants

Device: RAI

Interventions

RAIDEVICE

Immediate implantation

implanted group

Eligibility Criteria

Age20 Years - 60 Years
Sexall
Healthy VolunteersYes
Age GroupsAdult (18-64)

You may qualify if:

  • Age:20-60 years old, gender unlimited
  • Good oral hygiene
  • No systemic diseases
  • There are irreparable residual roots, no obvious apical periodontitis, no looseness greater than degree II, and the tooth position includes four quadrant anterior teeth and premolars
  • Root length greater than 10 mm, and no significant bone resorption at the alveolar crest
  • There is no significant displacement of adjacent teeth and no significant elongation of opposing teeth
  • The bone density of the target implant area is Class II and Class III
  • The lateral bone wall of the lips (cheeks), palate (tongue) is intact and larger than 1mm
  • The subjects are able to understand the purpose of the experiment, willing to -cooperate with surgical treatment and follow-up, voluntarily participate in the experiment, and sign an informed consent form.

You may not qualify if:

  • Patients with moderate to severe periodontitis
  • Missing proximal and distal adjacent teeth in the target residual root
  • Residual roots with root adhesion
  • The target implant area has a bone density of Class I or IV
  • Acute infectious disease or metabolic bone disease activity period
  • Patients with diabetes history and poor blood glucose control (fasting blood glucose ≥ 8.8 mmol/L L)
  • Patients with liver and kidney dysfunction (AST, ALT ≥ 1.5 times ULNULN, creatinine ≥ 1.5 times ULNULN)
  • Individuals with a history of osteoporosis
  • Individuals with a history of malignant tumors or other serious illnesses who are not suitable for surgery
  • Individuals with mental disorders and lack of autonomous behavior ability Pregnant women, lactating or menstruating women, and women with pregnancy plans within six months
  • Various possible causes of imaging artifacts in the surgical area
  • Receiving medication that may affect bone metabolism (such as bisphosphonates) within the past 3 months
  • The researchers estimate poor compliance or other factors that are not suitable for conducting this experiment.

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

The Affiliated Stomatology Hospital, Zhejiang University School of Medicine

Hangzhou, Zhejiang, 310006, China

RECRUITING

Central Study Contacts

Study Design

Study Type
interventional
Phase
not applicable
Allocation
NA
Masking
NONE
Purpose
TREATMENT
Intervention Model
SINGLE GROUP
Sponsor Type
OTHER
Responsible Party
SPONSOR

Study Record Dates

First Submitted

May 27, 2024

First Posted

June 10, 2024

Study Start

April 1, 2024

Primary Completion

December 31, 2025

Study Completion (Estimated)

June 30, 2026

Last Updated

June 10, 2024

Record last verified: 2024-06

Locations