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Effects of maxillary sinus floor elevation surgery on maxillary sinus physiology

Identifieur interne : 007F94 ( Main/Exploration ); précédent : 007F93; suivant : 007F95

Effects of maxillary sinus floor elevation surgery on maxillary sinus physiology

Auteurs : Nicolaas M. Timmenga [Pays-Bas] ; Gerry M. Raghoebar [Pays-Bas] ; Robert S. B. Liem [Pays-Bas] ; Ranny Van Weissenbruch [Pays-Bas] ; Willem L. Manson [Pays-Bas] ; Arjan Vissink [Pays-Bas]

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RBID : ISTEX:313CF2A704D404D995958E0F1354B73623561CA1

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English descriptors

Abstract

In a prospective study, the effects of elevation surgery of the maxillary sinus floor on maxillary sinus physiology were assessed. Seventeen consecutive patients without preoperative anamnestic, clinical and radiological signs of maxillary sinusitis underwent sinus floor elevation surgery with iliac crest bone grafts. All patients were subjected to unilateral endoscopic examination of the maxillary sinus, taking of a biopsy specimen from the sinus floor mucosa, and collection of a sinus lavage‐fluid aspirate. This triad of evaluations was performed immediately preceding the elevation procedure, and 3 months (at implant insertion) and 9 months (at uncovering of implants) postoperatively. All procedures were performed under general anesthesia. Preoperatively, three out of 17 patients showed pre‐existing mucosal pathology endoscopically, while the 3‐ and 9‐month results revealed the presence of mucosal pathology in four and two patients, respectively. The 3‐month microbiological evaluation showed a significant increase in cultures with bacterial growth, while the 9‐month culture results were comparable to the preoperative status of the maxillary sinus. Morphologically, neither fibrosis nor an altered inflammatory response or thickening of the epithelium and lamina propria was observed postoperatively. The number of goblet cells in the epithelial layer was increased. From this study it is concluded that the effect of maxillary sinus floor elevation surgery with autogenous bone grafts does not appear to have clinical consequences in patients without signs of pre‐existing maxillary sinusitis.

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DOI: 10.1034/j.1600-0722.2003.00012.x


Affiliations:


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<term>Antral cavity</term>
<term>Antral mucosa</term>
<term>Autogenous bone grafts</term>
<term>Bacterial growth</term>
<term>Basal lamina</term>
<term>Biopsy</term>
<term>Cannula</term>
<term>Chronic maxillary sinusitis</term>
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<term>Cilium</term>
<term>Culture results</term>
<term>Elevation</term>
<term>Elevation surgery</term>
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<term>Endoscopically</term>
<term>Endoscopy</term>
<term>Epithelial</term>
<term>Epithelium</term>
<term>General anesthesia</term>
<term>Goblet</term>
<term>Goblet cell ratio</term>
<term>Goblet cells</term>
<term>Graft</term>
<term>Iliac crest bone grafts</term>
<term>Implant</term>
<term>Lamina</term>
<term>Laryngol otol</term>
<term>Light microscopy image</term>
<term>Maxillary</term>
<term>Maxillary sinus</term>
<term>Maxillary sinus mucosa</term>
<term>Maxillary sinus physiology</term>
<term>Maxillary sinusitis</term>
<term>Maxillofacial surgery</term>
<term>Microbiological</term>
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<term>Mucosal</term>
<term>Normal aspect</term>
<term>Oral maxillofac surg</term>
<term>Otolaryngol</term>
<term>Otolaryngol head neck surg</term>
<term>Physiology</term>
<term>Polybacterial growth</term>
<term>Preoperative</term>
<term>Preoperatively</term>
<term>Prospective study</term>
<term>Raghoebar</term>
<term>Scanning electron microscopy</term>
<term>Sinus</term>
<term>Sinus clearance</term>
<term>Sinus mucosa</term>
<term>Sinus physiology</term>
<term>Sinusitis</term>
<term>Streptococcus</term>
<term>Streptococcus viridans</term>
<term>Submucosa</term>
<term>Surg</term>
<term>Surgery</term>
<term>Timmenga</term>
<term>University hospital</term>
<term>Viridans</term>
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<term>Acta otolaryngol</term>
<term>Antral</term>
<term>Antral cavity</term>
<term>Antral mucosa</term>
<term>Autogenous bone grafts</term>
<term>Bacterial growth</term>
<term>Basal lamina</term>
<term>Biopsy</term>
<term>Cannula</term>
<term>Chronic maxillary sinusitis</term>
<term>Ciliary damage</term>
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<term>Culture results</term>
<term>Elevation</term>
<term>Elevation surgery</term>
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<term>Endoscopically</term>
<term>Endoscopy</term>
<term>Epithelial</term>
<term>Epithelium</term>
<term>General anesthesia</term>
<term>Goblet</term>
<term>Goblet cell ratio</term>
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<term>Lamina</term>
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<term>Maxillary sinus</term>
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<term>Maxillary sinus physiology</term>
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<front>
<div type="abstract" xml:lang="en">In a prospective study, the effects of elevation surgery of the maxillary sinus floor on maxillary sinus physiology were assessed. Seventeen consecutive patients without preoperative anamnestic, clinical and radiological signs of maxillary sinusitis underwent sinus floor elevation surgery with iliac crest bone grafts. All patients were subjected to unilateral endoscopic examination of the maxillary sinus, taking of a biopsy specimen from the sinus floor mucosa, and collection of a sinus lavage‐fluid aspirate. This triad of evaluations was performed immediately preceding the elevation procedure, and 3 months (at implant insertion) and 9 months (at uncovering of implants) postoperatively. All procedures were performed under general anesthesia. Preoperatively, three out of 17 patients showed pre‐existing mucosal pathology endoscopically, while the 3‐ and 9‐month results revealed the presence of mucosal pathology in four and two patients, respectively. The 3‐month microbiological evaluation showed a significant increase in cultures with bacterial growth, while the 9‐month culture results were comparable to the preoperative status of the maxillary sinus. Morphologically, neither fibrosis nor an altered inflammatory response or thickening of the epithelium and lamina propria was observed postoperatively. The number of goblet cells in the epithelial layer was increased. From this study it is concluded that the effect of maxillary sinus floor elevation surgery with autogenous bone grafts does not appear to have clinical consequences in patients without signs of pre‐existing maxillary sinusitis.</div>
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