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Clinical and Radiographic Evaluation of Implants in Protective Occlusion

NCT ID: NCT07256379

Last Updated: 2025-12-22

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

COMPLETED

Clinical Phase

NA

Total Enrollment

28 participants

Study Classification

INTERVENTIONAL

Study Start Date

2022-09-01

Study Completion Date

2025-05-01

Brief Summary

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Occlusal overload may lead to a number of complications; biological and mechanical such as crestal bone loss, screw loosening, prosthetic fracture and even implant failure . Inadequate occlusal scheme (occlusion) causes occlusal overload increasing mechanical stresses which are transferred to the crestal bone and implant interface, leading to complications such as; Early implant failure, Early crestal bone loss, Intermediate to late implant failure, Intermediate to late implant bone loss, Screw loosening (abutment and prosthesis coping), Uncemented restoration, Component fracture, Porcelain fracture, Prosthesis fracture and Peri implant disease .Thus, a proper implant occlusal scheme plays a major role in the outcome of the implant treatment modality.

Detailed Description

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Conditions

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Implant Occlusion

Keywords

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Implant Occlusion, protective occlusion

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

PARALLEL

Primary Study Purpose

PREVENTION

Blinding Strategy

SINGLE

Participants

Study Groups

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Protective occlusion

According to the literature, Misch introduced the concept of implant-protective occlusion (IPO) (Misch and Bidez, 1994) based on basic prosthetic concepts, bone biomechanical principles and finite element analysis, which refers to an occlusal scheme designed for implant restoration, promoting the conditions for less biomechanical complications by reducing the stress to the implant interface and enhancing the longevity of the implant and prosthesis. It mainly entails the elimination of premature occlusal contacts or interferences.

Group Type ACTIVE_COMPARATOR

Protective occlusion

Intervention Type PROCEDURE

To evaluate crestal bone loss, chewing efficiency and prosthetic complications after single posterior implant restoration in protective occlusion in comparison to maximum intercuspation occlusion.

Maximum Intercuspation

Group Type EXPERIMENTAL

Maximum Intercusption

Intervention Type PROCEDURE

to evaluate crestal bone loss, chewing efficiency and prosthetic complications after single posterior implant restoration in protective occlusion in comparison to maximum intercuspation occlusion.

Interventions

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Maximum Intercusption

to evaluate crestal bone loss, chewing efficiency and prosthetic complications after single posterior implant restoration in protective occlusion in comparison to maximum intercuspation occlusion.

Intervention Type PROCEDURE

Protective occlusion

To evaluate crestal bone loss, chewing efficiency and prosthetic complications after single posterior implant restoration in protective occlusion in comparison to maximum intercuspation occlusion.

Intervention Type PROCEDURE

Eligibility Criteria

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Inclusion Criteria

* Patients who have a single posterior (1st or second molar) bounded implant with opposing natural tooth teeth.
* Adults above the age of 18.
* Good oral hygiene.
* Patient accepts to provide informed consent.

Exclusion Criteria

* Smokers.
* Pregnant and lactating females.
* Medically compromised patients.
* Patients with untreated active periodontal diseases.
* Patients with parafunctional habits.
Minimum Eligible Age

18 Years

Maximum Eligible Age

50 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No

Sponsors

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International Dental Contiuing Education

NETWORK

Sponsor Role lead

Responsible Party

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Responsibility Role SPONSOR

Locations

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International Dental Continuing Education

Cairo, , Egypt

Site Status

Countries

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Egypt

Other Identifiers

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IDCE-16112025

Identifier Type: -

Identifier Source: org_study_id