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Erschienen in: Journal of Maxillofacial and Oral Surgery 4/2022

14.05.2022 | Original Article

Sinus Augmentation Using Mineralized Bone Allografts: A 6-Month Histological and Histomorphometric Analysis

verfasst von: Pierre Lahoud, Nabih Nader, Ronald Younes

Erschienen in: Journal of Maxillofacial and Oral Surgery | Ausgabe 4/2022

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Abstract

Purpose

The aim of this study was to evaluate, after a six-month healing period, the histological and histomorphometric results of mineralized bone allograft used in lateral sinus augmentation procedures.

Materials and Methods

Twenty-one pneumatized maxillary sinuses with residual bone height ≤ 4 mm were grafted with a mixture of 1/1 cortical and cancellous mineralized bone allograft using lateral sinus floor elevation. Six months later, during implant placement, a core biopsy was retrieved for histological and histomorphometric evaluation.

Results

Biopsies showed mature cancellous bone with no signs of acute or chronic inflammatory reactions. Higher magnification revealed new lamellar bone, active osteocytes and normal lamellar arrangement around Haversian canals interspersed with osteocytes in lacunae. At grafted bone periphery, a high concentration of osteoblastic/osteoclastic couple was noted, indicating active bone remodeling. Histomorphometric evaluation revealed an average vital bone content of 30.32% (25.00–44.00%), and a percentage of residual non-vital bone of 18.06% (14.05–25.00%).

Conclusions

Histological and histomorphometric evaluation indicated that the mixture of 1 to 1 cortical and cancellous mineralized bone allograft promoted de-novo bone formation and can be predictably used for sinus augmentation procedures.
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Metadaten
Titel
Sinus Augmentation Using Mineralized Bone Allografts: A 6-Month Histological and Histomorphometric Analysis
verfasst von
Pierre Lahoud
Nabih Nader
Ronald Younes
Publikationsdatum
14.05.2022
Verlag
Springer India
Erschienen in
Journal of Maxillofacial and Oral Surgery / Ausgabe 4/2022
Print ISSN: 0972-8279
Elektronische ISSN: 0974-942X
DOI
https://doi.org/10.1007/s12663-022-01728-z

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CME: 2 Punkte

Das Webinar beschäftigt sich mit Fragen und Antworten zu Diagnostik und Klassifikation sowie Möglichkeiten des Ausschlusses von Zusatzverletzungen. Die Referenten erläutern, welche Frakturen konservativ behandelt werden können und wie. Das Webinar beantwortet die Frage nach aktuellen operativen Therapiekonzepten: Welcher Zugang, welches Osteosynthesematerial? Auf was muss bei der Nachbehandlung der distalen Radiusfraktur geachtet werden?

PD Dr. med. Oliver Pieske
Dr. med. Benjamin Meyknecht
Berufsverband der Deutschen Chirurgie e.V.

S1-Leitlinie „Empfehlungen zur Therapie der akuten Appendizitis bei Erwachsenen“

Appendizitis BDC Leitlinien Webinare
CME: 2 Punkte

Inhalte des Webinars zur S1-Leitlinie „Empfehlungen zur Therapie der akuten Appendizitis bei Erwachsenen“ sind die Darstellung des Projektes und des Erstellungswegs zur S1-Leitlinie, die Erläuterung der klinischen Relevanz der Klassifikation EAES 2015, die wissenschaftliche Begründung der wichtigsten Empfehlungen und die Darstellung stadiengerechter Therapieoptionen.

Dr. med. Mihailo Andric
Berufsverband der Deutschen Chirurgie e.V.