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Fig. 3 | BMC Oral Health

Fig. 3

From: A cross-sectional study: correlation of forehead morphology and dentoskeletal malocclusion in Chinese people

Fig. 3

The contour of frontal sinus and measurement method of frontal sinus width. SH, the highest point on the frontal sinus; SL, the lowest point on the frontal sinus; SH-SL, maximum frontal sinus height; SPP, the posterior point on the frontal sinus; SAP, the anterior point on the frontal sinus; SPP-SAP, joining the SPP and SAP, denoting the maximum frontal sinus width perpendicular to the SH-SL line

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BMC Oral Health

ISSN: 1472-6831

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