The Relationship between the Palatal Form and the Maxillary Sinus in Orang-Utan

Koppe, Thomas; Röhrer-Ertl, Olav; Hahn, Dietbert; Reike, Ralf; Nagai, Hiroshi

doi:10.2535/ofaj1936.72.6_297

Cited by 9 publications

(5 citation statements)

References 23 publications

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“…However, Rae and Koppe (2004) note that tooth follicles are “exposed” in the maxillary sinus floor in some but not all macaque species. In addition, Koppe et al (1996) found no clear association between palatal form and maxillary sinus morphology in orangutans. The scaling of maxillary sinus size relative to body size also differs among anthropoids (Rae and Koppe,2000; Koppe et al,2005).…”

Section: Discussionmentioning

confidence: 98%

Comparative microcomputed tomography and histological study of maxillary pneumatization in four species of new world monkeys: The perinatal period

Smith

Rossie

Cooper

et al. 2010

American J Phys Anthropol

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In anthropoid primates, it has been hypothesized that the magnitude of maxillary sinus growth is influenced by adjacent dental and soft tissue matrices. Relatively, little comparative evidence exists for the perinatal period when secondary pneumatization is at its earliest stages in some primates. Here, dental and midfacial variables were studied in a perinatal sample of four anthropoid primates, including three callitrichines (Leontopithecus, Saguinus, and Callithrix) and Saimiri boliviensis. In the latter species, the maxillary recess (the ontogenetic precursor to a "true" maxillary sinus) does not undergo secondary pneumatization. Using histological methods and micro-computed tomography, midfacial and dental dimensions and radiographic hydroxyapatite density of tooth cusps were measured. The distribution of osteoclasts and osteoblasts was also documented. Kruskal-Wallis's one-way analysis of variance tests indicates significant (P < 0.05) differences among groups for dental and midfacial measurements. In particular, the posterior maxillary dentition is relatively larger and more mineralized in Saimiri compared to the callitrichines. At posterior dental levels, Saimiri has the lowest palatonasal index [interdental (palatal) width/width of the nasal cavity] and highest bizygomatic-interorbital index. Distribution of osteoclasts indicates that the inferomedial surfaces of the orbits are resorptive in perinatal Saimiri, whereas, in all callitrichines, these surfaces are depository. Taken together, these findings suggest that pneumatization in Saimiri is suppressed by an inward growth trajectory of the orbits, relatively large posterior dentition, and a correspondingly compressed nasal region.

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Section: Discussionmentioning

confidence: 98%

Comparative microcomputed tomography and histological study of maxillary pneumatization in four species of new world monkeys: The perinatal period

Smith

Rossie

Cooper

et al. 2010

American J Phys Anthropol

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“…Thus, regarding to the latter assumption, certain functions of the paranasal sinuses that have been detected by clinical workers such as their role in shaping the spectral characteristics of the human nasal sounds [Dang et al, 1994], are thought to be secondary. Although a significant relationship between sinus form and skull architecture cannot be ruled out [Koppe et al, 1996], little experimental work has been done to support this hypothesis. Except for a significant relationship between MS size and midfacial breadth, this study indicates that MS size of the miniature pig is not strongly associated with the form of the facial skeleton.…”

Section: Implication Of Craniofacial Growth On Skull Pneumatization Imentioning

confidence: 98%

Growth Pattern of the Maxillary Sinus in the Miniature Pig <i>(Sus scrofa)</i>

Koppe¹,

Klauke²,

Lee³

et al. 2000

Cells Tissues Organs

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The biological role of the paranasal sinuses is obscure, can be elucidated through a cross-sectional growth study of the maxillary sinus in miniature pigs. The maxillary sinus area was obtained from lateral cephalograms of left skull halves of 103 female miniature pigs of known ages, from newborn to 24 months. Out of several nonlinear models, the growth of the maxillary sinus was best described with the Gompertz model. The first derivative of the Gompertz curve revealed an increase in the growth rates of the maxillary sinus until 4 months, after which sinus growth slowed down. The eruption of the permanent molars did not seem to have a significant influence on this growth pattern. Furthermore, growth in maxillary sinus size in the miniature pig does not follow growth in skull size closely, which showed the highest growth rates in newborn animals. In addition, a correlation analysis revealed that the relationship between maxillary sinus area and different characteristics of the masticatory apparatus (including linear cranial dimensions, and the dry weight of the masseter and zygomatico-mandibularis muscles) were influenced greatly by skull size. These results suggest that the existence of pneumatic cavities within the mammalian skull is not satisfactorily explained solely by an architectural theory. Epigenetic factors are likely to influence the final shape of the maxillary sinus.

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“…Since numerous interrelationships influence the final size and shape of the sinus spaces [50,51], future studies on the variation in size and shape of the paranasal sinuses should focus on the individual growth pattern of related craniofacial structures and how they are related to the growth of the paranasal sinuses. In view of the intra-and interspecific variation in the primate paranasal sinuses, however, this kind of study requires longitudinal data on many species.…”

Section: Growth Of the Maxillary Sinusmentioning

confidence: 99%

A Longitudinal Study of the Growth Pattern of the Maxillary Sinus in the Pig-Tailed Macaque (Macaca nemestrina)

Koppe

Swindler²,

Lee³

2000

IJFP

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The ontogeny of sexual dimorphism in maxillary sinus size in a nonhuman primate was studied longitudinally for a period of 8 years in 25 female and 25 male Macaca nemestrina via lateral cephalograms. The maxillary sinus was traced and its area digitized. The growth of female maxillary sinuses was described with a Gompertz model; the best fit to the male data was obtained by the logistic model. Growth curves and confidence intervals revealed that the sinuses grew in a similar fashion for 3–4 years in both sexes. After this, female sinuses achieved a plateau in their development while male sinuses continued to grow. Confidence intervals suggested that size dimorphism appeared at the age of 6.3 years. Lowess regression indicated growth spurts in both sexes. Females experienced an earlier and smaller spurt than males. Sexual dimorphism in maxillary sinus size seems to represent a combination of differences in velocity and length of growth. This study indicates that growth of the maxillary sinus follows closely the growth in body size. Nevertheless, due to the variation in sinus size in Macaca, it is questionable if body size is the main determinant of maxillary sinus size. It is suggested that Macaca, with its wide geographic range and different environments, is an especially appropriate genus to use to test hypotheses about the evolution of skull pneumatization in primates.

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The Relationship between the Palatal Form and the Maxillary Sinus in Orang-Utan

Cited by 9 publications

References 23 publications

Comparative microcomputed tomography and histological study of maxillary pneumatization in four species of new world monkeys: The perinatal period

Comparative microcomputed tomography and histological study of maxillary pneumatization in four species of new world monkeys: The perinatal period

Growth Pattern of the Maxillary Sinus in the Miniature Pig <i>(Sus scrofa)</i>

A Longitudinal Study of the Growth Pattern of the Maxillary Sinus in the Pig-Tailed Macaque (Macaca nemestrina)

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