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New bone formation after transcrestal sinus floor elevation was influenced by sinus cavity dimensions: A prospective histologic and histomorphometric study

Stacchi, Claudio
•
Lombardi, Teresa
•
Ottonelli, Roberto
altro
Traini, Tonino
2018
  • journal article

Periodico
CLINICAL ORAL IMPLANTS RESEARCH
Abstract
OBJECTIVE: The aim of this multicenter prospective study was to analyze clinically and histologically the influence of sinus cavity dimensions on new bone formation after transcrestal sinus floor elevation (tSFE). MATERIAL AND METHODS: Patients needing maxillary sinus augmentation (residual crest height <5 mm) were treated with tSFE using xenogeneic granules. Six months later, bone-core biopsies were retrieved for histological analysis in implant insertion sites. Bucco-palatal sinus width (SW) and contact between graft and bone walls (WGC) were evaluated on cone beam computed tomography, and correlations between histomorphometric and anatomical parameters were quantified by means of forward multiple linear regression analysis. RESULTS: Fifty consecutive patients were enrolled and underwent tSFE procedures, and forty-four were included in the final analysis. Mean percentage of newly formed bone (NFB) at 6 months was 21.2 ± 16.9%. Multivariate analysis showed a strong negative correlation between SW and NFB (R2 = .793) and a strong positive correlation between WGC and NFB (R2 = .781). Furthermore, when SW was stratified into three groups (<12 mm, 12 to 15 mm, and >15 mm), NFB percentages (36%, 13% and 3%, respectively) resulted significantly different. CONCLUSIONS: This study represented the first confirmation based on histomorphometric data that NFB after tSFE was strongly influenced by sinus width and occurred consistently only in narrow sinus cavities (SW <12 mm, measured between buccal and palatal walls at 10-mm level, comprising the residual alveolar crest).
DOI
10.1111/clr.13144
WOS
WOS:000437732400003
Archivio
http://hdl.handle.net/11368/2926205
info:eu-repo/semantics/altIdentifier/scopus/2-s2.0-85044198105
https://onlinelibrary.wiley.com/doi/epdf/10.1111/clr.13144
Diritti
closed access
license:copyright editore
license:copyright editore
FVG url
https://arts.units.it/request-item?handle=11368/2926205
Soggetti
  • Histomorphometry

  • Osteotome

  • Sinus floor elevation...

  • Sinus width

  • Transcrestal

  • Oral Surgery

Web of Science© citazioni
51
La settimana scorsa
1
Data di acquisizione
Mar 18, 2024
Visualizzazioni
4
Data di acquisizione
Apr 19, 2024
Vedi dettagli
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