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. 2016 Dec 25;2016:7917343. doi: 10.1155/2016/7917343

Figure 1.

Figure 1

Relative position of the IOF in relation to maxillary teeth. (a) Relative position of IOF in an edentulous maxilla. (b) Relative position of IOF in a dentulous maxilla. 1: line passing through the cusp tip/middle of the buccal socket margin of the maxillary canine. 2: line passing through the buccal cusp tip/middle of the buccal socket margin of the maxillary first premolar. 3: line passing through the buccal cusp tip/middle of the buccal socket margin of the maxillary second premolar. 4: line passing through the cusp tip/middle of the buccal socket margin of the mesiobuccal cusp of the maxillary first molar. 5: line passing through the cusp tip/middle of the buccal socket margin of the distobuccal cusp of the maxillary first molar.