Rubens Spin-Neto

Correlation of fractal dimension with histomorphometry in maxillary sinus lifting using autogenous bone graft

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  • Rafael Scaf de Molon, Department of Diagnosis and Surgery, Araraquara Dental School, UNESP - Univ Estadual Paulista, Araraquara, Brasilien
  • Wagner Nunes de Paula, Department of Diagnosis and Surgery, Araraquara Dental School, UNESP - Univ Estadual Paulista, Araraquara, Brasilien
  • Rubens Spin-Neto
  • Mario Henrique Arruda Verzola, Department of Diagnosis and Surgery, Araraquara Dental School, UNESP - Univ Estadual Paulista, Araraquara, Brasilien
  • Guilherme Monteiro Tosoni, Department of Diagnosis and Surgery, Araraquara Dental School, UNESP - Univ Estadual Paulista, Araraquara, Brasilien
  • Raphael Carlos Comelli Lia, Department of Physiology and Pathology, Araraquara Dental School, UNESP - Univ Estadual Paulista, Araraquara, SP, Ukendt
  • Gulnara Scaf, Department of Diagnosis and Surgery, Araraquara Dental School, UNESP - Univ Estadual Paulista, Araraquara, Brasilien
  • Elcio Marcantonio Jr, Department of Diagnosis and Surgery, Araraquara Dental School, UNESP - Univ Estadual Paulista, Araraquara, Brasilien

The aim of this study was to determine the pattern of bone remodeling after maxillary sinus lifting in humans by means of fractal dimension (FD) and histomorphometric analysis. Therefore, the correlation between FD and the histomorphometric findings was evaluated. Sixteen patients with posterior edentulous maxilla were enrolled in this study. Maxillary sinus lifting was performed using autogenous bone grafted from the mandibular retromolar area. Three direct digital panoramic radiographs were obtained: before surgery (Group 1), immediately postoperatively (Group 2) and after 6 months of healing (Group 3) for FD analysis. Biopsies were taken after 6 months, processed and submitted to histological and histomorphometric analysis. Data were analyzed by Shapiro-Wilk test and ANOVA test followed by a Tukey test (a=0.05). The bone volume fraction of newly trabecular bone (TB) and medullary area (MA) was measured as 62.75%±17.16% and 37.25±17.16%, respectively. Significant difference in FD analysis was measured between Group 1 and Group 3. No significant difference was found in the correlation between FD and histomorphometric analysis for TB and MA (p=0.84). In conclusion, all performed analyses were effective in assessing the bone-remodeling pattern in the maxillary sinus, offering complementary information about healing and predictable outcomes. There were no correlations between FD and histomorphometric analysis.

OriginalsprogEngelsk
TidsskriftBrazilian Dental Journal
Vol/bind26
Nummer1
Sider (fra-til)11-18
Antal sider8
ISSN0103-6440
DOI
StatusUdgivet - 13 feb. 2015

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