NCT02846805

Brief Summary

The purpose of this study is to investigate to what extent IOs improve the functionality of edentulous patients and changes in quality of life and overall patient satisfaction following treatment with IOs.

Trial Health

43
At Risk

Trial Health Score

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

Trial has exceeded expected completion date
Enrollment
53

participants targeted

Target at P25-P50 for not_applicable

Timeline
Completed

Started May 2016

Longer than P75 for not_applicable

Geographic Reach
1 country

1 active site

Status
unknown

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

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

Study Start

First participant enrolled

May 1, 2016

Completed
2 months until next milestone

First Submitted

Initial submission to the registry

July 3, 2016

Completed
24 days until next milestone

First Posted

Study publicly available on registry

July 27, 2016

Completed
1.9 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

July 1, 2018

Completed
1.8 years until next milestone

Study Completion

Last participant's last visit for all outcomes

April 1, 2020

Completed
Last Updated

April 21, 2020

Status Verified

April 1, 2020

Enrollment Period

2.2 years

First QC Date

July 3, 2016

Last Update Submit

April 18, 2020

Conditions

Outcome Measures

Primary Outcomes (1)

  • masticatory efficiency

    masticatory efficiency will be measured with chwing-gum ,and the outcome will be analysed with the viewgum software

    three months after restoration of the implant-retained overdenture

Secondary Outcomes (2)

  • Oral health related quality of life

    three months after restoration of the implant-retained overdenture

  • patients' satisfaction

    three months after restoration of the implant-retained overdenture

Study Arms (2)

complete dentures

NO INTERVENTION

complete dentures will be provided for all subjects according to the standardized treatment protocol

implant-retained overdentures

EXPERIMENTAL

subjects will receive two-implant-retained overdentures in the mandible ,and continue wearing their complete denture in the maxilla

Procedure: implant-retained overdentures

Interventions

subjects will receive two-implant-retained overdentures in the mandible,and they continue wearing their complete denture in the maxilla.

implant-retained overdentures

Eligibility Criteria

Age40 Years - 75 Years
Sexall
Healthy VolunteersYes
Age GroupsAdult (18-64), Older Adult (65+)

You may qualify if:

  • Being edentulous in the upper and lower jaw for at least 1 year
  • Dissatisfied or cannot function with their complete lower denture
  • Age between 40 and 75
  • Suitable bone quality as assessed radiographically (CBCT) according to Zarb's classification。

You may not qualify if:

  • Physical and mental disabilities which interfere with the maintenance of implants;
  • Severe skeletal jaw discrepancies (class III)
  • Those who have already received or lost dental implants
  • Those who abuse drugs or alcohol
  • Smoking more than 10 cigarettes a day
  • Having received radiotherapy to the head and neck region for malignancies
  • Undergoing chemotherapy
  • On long-term therapy with steroids
  • immunosuppressants or biphosphonates
  • Insulin-dependent diabetic patients and uncontrolled onset diabetic patients
  • Those affected by chronic renal or liver disease
  • Systemic and local bone disorders and pathology
  • Serious cardiac and pulmonary disorders
  • Haemophilic disorders who are susceptible for increased bleeding and tendency for post-operative infections
  • Those who are at risk of developing bacterial endocarditis
  • +1 more criteria

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

Department of Prosthodontics,School of Stomatology,The Fourth Military Medical University

Xi'an, Shaanxi, 710032, China

RECRUITING

MeSH Terms

Conditions

Mouth, Edentulous

Condition Hierarchy (Ancestors)

Mouth DiseasesStomatognathic DiseasesTooth Diseases

Study Officials

  • Chufan Ma

    Air Force Military Medical University, China

    STUDY CHAIR

Central Study Contacts

Study Design

Study Type
interventional
Phase
not applicable
Allocation
NON RANDOMIZED
Masking
SINGLE
Who Masked
OUTCOMES ASSESSOR
Purpose
TREATMENT
Intervention Model
PARALLEL
Sponsor Type
OTHER
Responsible Party
SPONSOR INVESTIGATOR
PI Title
Associate professor

Study Record Dates

First Submitted

July 3, 2016

First Posted

July 27, 2016

Study Start

May 1, 2016

Primary Completion

July 1, 2018

Study Completion

April 1, 2020

Last Updated

April 21, 2020

Record last verified: 2020-04

Data Sharing

IPD Sharing
Will not share

secret

Locations