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Volume 39, Issue 3 , Pages 282-286 , March 2010

The influence of expansion on intraoperative bone blood flow in multisegmental maxillary osteotomies: an experimental study

W.B. Kretschmer
- Department of Oral and Maxillofacial Surgery, Marienhospital Stuttgart, Germany
- Address: Winfried Bernhard Kretschmer, Department of Oral and Maxillofacial Surgery, Marienhospital Stuttgart, Boeheimstr. 37, 70199 Stuttgart, Germany. Tel: +49 711 6489 8261; Fax: +49 711 6489 8262.
G. Baciut
- Clinic of Cranio-Maxillofacial Surgery, University of Medicine and Pharmacy “Iuliu Hatieganu” Cluj-Napoca, Romania
C. Dinu
- Clinic of Cranio-Maxillofacial Surgery, University of Medicine and Pharmacy “Iuliu Hatieganu” Cluj-Napoca, Romania
M. Baciut
- Clinic of Cranio-Maxillofacial Surgery, University of Medicine and Pharmacy “Iuliu Hatieganu” Cluj-Napoca, Romania
I. Barbur
- Clinic of Cranio-Maxillofacial Surgery, University of Medicine and Pharmacy “Iuliu Hatieganu” Cluj-Napoca, Romania
A. Muste
- University of Agricultural Sciences and Veterinary Medicine Cluj-Napoca, Romania
K. Dietz
- Department of Medical Biometry, University of Tübingen, Germany

,Accepted 23 December 2009.

Individually adapted hyrax screw (Dentaurum Maxi, Ispringen, Germany).

Individually adapted hyrax screw (Dentaurum Maxi, Ispringen, Germany).
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Osteotomy lines and measurement sites. PM, premaxilla; LS, maxillary lateral segment; M, mandible.

Osteotomy lines and measurement sites. PM, premaxilla; LS, maxillary lateral segment; M, mandible.
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(a) Intraoperative view after maxillary segmentation. IN, infraorbital nerve. (b) Osteotomy lines marked with arrows.

(a) Intraoperative view after maxillary segmentation. IN, infraorbital nerve. (b) Osteotomy lines marked with arrows.
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Probe (PF 407, Perimed, Järfällä, Sweden) with probe holder.

Probe (PF 407, Perimed, Järfällä, Sweden) with probe holder.
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Relative maxillary perfusion and 95% confidence intervals of left and right side as ratio between mean value of the maxilla and initial value of the mandible.

Relative maxillary perfusion and 95% confidence intervals of left and right side as ratio between mean value of the maxilla and initial value of the mandible.
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Maxillary perfusion and 95% confidence intervals of premaxilla and lateral segments as ratio with respect to the initial values of the mandible.

Maxillary perfusion and 95% confidence intervals of premaxilla and lateral segments as ratio with respect to the initial values of the mandible.
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Maxillary perfusion and 95% confidence intervals as ratio with respect to the initial value of the mandible per recording session (1–5).

Maxillary perfusion and 95% confidence intervals as ratio with respect to the initial value of the mandible per recording session (1–5).
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