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Table 5 Comparison of the vertical distances of root apices of maxillary premolars with/without adjacent teeth (\( \overline{x} \) ± SD, mm)

From: Evaluation of the relationship between maxillary posterior teeth and the maxillary sinus floor using cone-beam computed tomography

 

BR/PR

P

MFPs A

4.7 ± 3.6

.31

MFPs P

5.0 ± 3.9

MSPs A

2.6 ± 2.6

.01*

MSPs P

1.9 ± 2.3

  1. A/P Absence/Presence of adjacent teeth
  2. * There were significant differences in 2 PM with or without absence of adjacent teeth