Date on Master's Thesis/Doctoral Dissertation

12-2010

Document Type

Master's Thesis

Degree Name

M.S.

Department

Anatomical Sciences and Neurobiology

Committee Chair

Farman, Allan G.

Author's Keywords

Cephalometry; Maxillary sinus; Computed tomography; Paranasal sinus; Maxillofacial; Sphenoid sinus

Subject

Paranasal sinuses; Maxillary sinus; Sphenoid sinus

Abstract

Introduction: The study investigated dimensional relationships between the sphenoid and maxillary sinuses and other selected craniomaxillofacial structures by using traditional cephalometric and volumetric procedures based on cone beam computed tomographic (CBCT) data. Methods and Materials: A retrospective three-dimensional (volumetric) and two-dimensional (conventional cephalometric) analyses were conducted on CBCT datasets of 27 subjects who met the inclusional criteria from a sampled database of 2,290 individuals. Subjects were divided into 3 groups: (1) pre- fused spheno-occipital synchondrosis < 18 years (n=8), (2) fused spheno-occipital synchondrosis < 18 years (n=9), and (3) = 18 years with fused spheno-occipital synchondosis (n= 10). Results: Differences between studied groups were found for linear and angular measurement. Specific correlations were found between certain topographic and internal measurements, and some sinus dimensions and other selected craniomaxillofacial structures. Conclusion: Dimensional correlations exist between the sphenoid and maxillary sinuses and development of other selected craniomaxillofacial structures.

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