Survival Rate of 2 Implant-supported Short-span Fixed Partial Dentures

NCT ID: NCT06447792

Last Updated: 2024-06-07

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

RECRUITING

Total Enrollment

60 participants

Study Classification

OBSERVATIONAL

Study Start Date

2024-02-01

Study Completion Date

2024-08-20

Brief Summary

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Implant supported superstructure is necessary for long term success and durability of the implant itself in terms of stresses distribution and fracture strength capability.1 Stresses falling on an implant are too much greater than those applied on a tooth structure with a periodontal ligament offering a degree of elasticity. The important mechanical and physical properties of materials used for the fabrication of dental prostheses include adequate flexural and tensile strength and modulus of elasticity, maximum fracture resistance, optimal bond strength and adequate polishability.

Detailed Description

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The relationship between implants/ prosthetic components and the surrounding soft and hard tissues is complex and determines the final clinical result. For example, crestal bone resorption, frequently observed following implant placement or following loading, may be related to factors such as the establishment of the biologic width, the macro design of the cervical area of the implant and possible surface treatments, the type of implant/abutment connection, the positioning of the implant in relation to the bone crest, the width of the alveolar ridge, the distance between contiguous implants, the surgical procedure, and the effects of overloading and peri-implantitis. The establishment of the biologic width perse is related to a series of events that results in remodeling of the bone that surrounds the implants, a fact that has been observed by histomorphometry and radiographic analysis.

The aim of the present study was to compare and evaluate the survival rate and crestal bone levels around immediately placed implants in the esthetic zone with delayed, progressive, or immediately placed.

Conditions

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Implant Complication Bone Loss

Study Design

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Observational Model Type

COHORT

Study Time Perspective

RETROSPECTIVE

Study Groups

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Group 1

immediately placed implants with a delayed loading protocol. Loading was performed after 3 months.

Loading protocol

Intervention Type OTHER

The prosthetic restoration and functional loading of the dental implant.

Group 2

immediately placed implants with a progressive loading protocol. Loading was performed after 5 weeks.

Loading protocol

Intervention Type OTHER

The prosthetic restoration and functional loading of the dental implant.

Group 3

immediately placed implants with an immediate loading protocol. The day of the surgery was also the day of loading.

Loading protocol

Intervention Type OTHER

The prosthetic restoration and functional loading of the dental implant.

Interventions

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Loading protocol

The prosthetic restoration and functional loading of the dental implant.

Intervention Type OTHER

Eligibility Criteria

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Inclusion Criteria

* fully dentulous people over 25 who complained of the mobility of 4 mandibular incisor teeth, or partially dentulous people who missed 2 mandibular central incisor teeth and had periodontally affected the neighboring lateral incisor teeth.
* These individuals were subsequently treated with 2 implants supporting FPDs and following a delayed, progressive, or immediate loading protocol
* Class 0 or 1 bone defects after tooth extraction, were only included in the study
* The medical records included data regarding implant type, width, and length, surgical procedure, annual hygienist treatments, radiographs, and implant insertion date

Exclusion Criteria

* had less than 1 years of follow-up, had incomplete restorative or surgical data, had non-diagnostic radiographs, had more or less than 4 unit fixed partial denture
* patients did not present for annual follow-up visits to evaluate oral hygiene measures or treat mechanical or technical complications.
* Individuals with bone defects class 2, 3, 4, or 5 after mandibular lateral incisor tooth extraction were also excluded.
Minimum Eligible Age

25 Years

Maximum Eligible Age

65 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No

Sponsors

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Menoufia University

OTHER

Sponsor Role lead

Responsible Party

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Mohammed El-Sawy

lecturer, Department of Prosthodontics, principle investigator

Responsibility Role PRINCIPAL_INVESTIGATOR

Locations

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Mohammed A. Elsawy

Al Mansurah, , Egypt

Site Status RECRUITING

Countries

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Egypt

Central Contacts

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Mohammed A. Elsawy, PhD

Role: CONTACT

161314522

Mohammed T. Khater, PhD

Role: CONTACT

01003854552

Facility Contacts

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Mohammed A. Elsawy, PhD

Role: primary

161314522

Mohammed T. khater, PhD

Role: backup

01003854552

Other Identifiers

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ADMNF-0020524

Identifier Type: -

Identifier Source: org_study_id

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