Influence of Two Different Occlusal Schemes Following Single Molar Implant-supported Restorations.

Influence of Two Different Occlusal Schemes on Radiographic and Clinical Outcomes Following Single Molar Implant-supported Restorations. A 2-years Randomized Controlled Trial.

Status

Completed

Phases

Unknown

Study type

Interventional

Source

ClinicalTrials.gov

Registry ID

NCT07256379

Enrollment

Registered

2025-12-01

Start date

2023-10-01

Completion date

2025-12-01

Last updated

2026-06-26

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

Conditions

Implant Occlusion

Keywords

Implant Occlusion, protective occlusion

Brief summary

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.

Interventions

PROCEDUREMaximum 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.

PROCEDUREProtective 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.

Study design

Allocation

RANDOMIZED

Intervention model

PARALLEL

Primary purpose

PREVENTION

Masking

SINGLE (Subject)

Eligibility

Sex/Gender

ALL

Age

18 Years to 50 Years

Healthy volunteers

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.

Design outcomes

Primary

Measure	Time frame	Description
Marginal Bone Loss	2 years	• To evaluate marginal bone loss using bitewing radiographs in mm.
Stability	2 years	• to assess implant micromotion in both groups by resonance frequency analysis (Osstell®) in mm.

Countries

Egypt

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Jun 27, 2026