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Completed

NCT Number: NCT03496688

Comparative Results of Six Biomaterials Used in Two-stage Maxillary Sinus

Objectives: The aim of the study was to compare histological and histomorphometric results of six bone substitute materials used as graft in two-stage maxillary sinus augmentation model, after 6-month-healing.

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Key information

About this study

Materials and Methods:

A two-stage sinus augmentation was carried out in six patients using mineralized solvent-dehydrated bone allograft (MCBA), freeze-dried mineralized bone allograft (FDBA), anor-ganic bovine bone (ABB), equine-derived bone (EB); synthetic micromacroporous biphasic calcium-phosphate block consisting of 70% beta-tricalcium phosphate and 30% hydroxyap-atite (HA-β-TCP 30/70), or bioapatite-collagen (BC).

Who can participate

Healthy volunteers accepted: No

Only the study team can determine whether someone qualifies for participation.

Inclusion criteria

patients healthy, absence of systemic pathologies (ASA class I), non-smokers, good oral hygiene, not pregnant or lactating, absence of painful symptoms and associated inflammatory or osteolytic pathologies, maxillary partial edentulism involving the premolar/molar areas, residual bone height between the sinus floor and alveolar ridge ranging from 2 to 4 mm, as measured on computerized tomography (CT) scan.

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Exclusion criteria

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Treatment and study plan

Sinus floor augmentation

Procedure

Primary outcomes

  1. to perform biopsies from each six augmented site using to compare, histologically and histomorphometrically, the percentages of newly formed bone, residual grafted material, and marrow spaces.

    Time frame: 6 month-healing after surgery

    After 6 months clinical and radiographic examinations were undertaken and each patient was reappointed for biopsy at the time of implant placement in the same location. Under local anesthesia, a full thickness flap was raised, a biopsy was performed using a 3.5 mm tre-phine bur under sterile saline solution irrigation, guided by the radiographic/surgical template in the selected implant site. A total of six bone samples was retrieved from the occlusal aspect to the alveolar crest, one from each augmented site to compare histologically and histomorphometrically the different materials.

Sponsors and collaborators

Lead sponsor

University of Roma La Sapienza

Other

Registry information

Official study title

Comparative Histological and Histomorphometric Results of Six Biomaterials Used in Two-stage Maxillary Sinus Augmentation Model After 6-month-healing

Important dates

Study start
2015
Primary completion
2016
Study completion
2017
First posted
Apr 12, 2018
Registry last updated
Apr 12, 2018

OpenTrials presents study information sourced from ClinicalTrials.gov. The official registry record should be consulted for the latest information.

View the official ClinicalTrials.gov record (opens in a new tab)

This listing is for discovery and informational purposes only. It is not medical advice, does not guarantee that a study is recruiting, and does not determine eligibility. Contact the study team and a qualified healthcare professional when considering participation.

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