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  • Title: Three-dimensional hard tissue palatal size and shape: a 10-year longitudinal evaluation in healthy adults.
    Author: Ferrario VF, Sforza C, Dellavia C, Colombo A, Ferrari RP.
    Journal: Int J Adult Orthodon Orthognath Surg; 2002; 17(1):51-8. PubMed ID: 11934056.
    Abstract:
    A 10-year longitudinal evaluation of the morphology (size and shape) of hard tissue palate was performed in 6 female and 6 male healthy adults (mean age at the second evaluation was 33 years, SD = 2.2). All subjects had a complete permanent dentition, including the second molars, and were free from respiratory problems. Palatal landmarks were digitized with a computerized 3D instrument, and their coordinates were used to derive a mathematical model of palatal form. Palatal shape (size-independent) was assessed by a fourth-grade polynomial in the sagittal and frontal plane projections. Palatal dimensions in the frontal and sagittal planes were computed and compared between the 2 evaluations by paired Student t tests. A great variability was observed, and no significant modifications in size were found (P > .05 for all variables). No variations in shape were observed. Sex had no significant effect for any variable (Student t for independent samples, P > .05). This study showed that in healthy subjects, hard tissue palatal morphology does not seem to change between the third and the fourth decades of life.
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