Dental Implant Supported Removable Dental Prostheses

An Randomized Controlled Trial Comparing Immediate Loading With Conventional Loading Using Cone-anchored Implant Supported Removable Dental Prostheses, a Two Year Follow up

Status

Completed

Phases

Study type

Interventional

Source

ClinicalTrials.gov

Registry ID

NCT03041597

Enrollment

Registered

2017-02-03

Start date

2009-09-01

Completion date

2015-12-31

Last updated

2017-02-03

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

Conditions

Implant Complication, Prosthesis Survival

Brief summary

To prospectively monitor the survival rate of Ankylos® dental implants, comparing delayed versus immediate loading, using abutments with the SynCone® concept for implant-supported detachable dental prosthesis (ISDDP) in the edentulous upper jaw.

Interventions

PROCEDUREplacement of implants

surgical procedure and placement of implants

PROCEDUREimmediate loading

cone-anchored implant supported removable dental prostheses placement

PROCEDUREconventional loading

cone-anchored implant supported removable dental prostheses placement in 3mo

DEVICEAnkylos implant

Study design

Allocation

RANDOMIZED

Intervention model

PARALLEL

Primary purpose

TREATMENT

Masking

DOUBLE (Investigator, Outcomes Assessor)

Eligibility

Sex/Gender

ALL

Age

18 Years to No maximum

Healthy volunteers

Yes

Inclusion criteria

* Provision of informed consent * Extraction sockets should have healed at least 4 months * Sufficient bone volume to place six implants in the maxilla * No previous bone augmentation procedures * The mandible can have any kind of dentition as long as a well-distributed contact relationship with the new prosthesis in the maxilla can be established. * Accepting to comply with study procedures

Exclusion criteria

* Physical or psychological disorders prohibiting implant treatment * Heavy smoking (\>10 cigarettes/day) * Present alcohol and/or drug abuse * Physical handicap that may interfere with the ability to perform oral hygiene

Design outcomes

Primary

Measure	Time frame	Description
bone loss	Difference between loading and Year two	measured in mm op peri-apical radiography. Mesial and Distal measurement of implant.

Secondary

Measure	Time frame	Description
probing pocket depth	Difference between loading and Year two	Measurement in mm, 4 sites per implant.
plaque	Difference between loading and Year two	presence of plaque, 4 sites per implant, Yes=1 or No=0
bleeding on probing	Difference between loading and Year two	presence of bleeding on probing, 4 sites per implant, Yes=1 or No=0

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Feb 4, 2026