24 September 2020>: Clinical Research
Evaluation of the Relationship Between Maxillary Sinus Wall and Maxillary Canines and Posterior Teeth Using Cone-Beam Computed Tomography
Yifei Qin 1ABCDEF , Guang Shu 1AB , Tianmin Xu 2ADEG*DOI: 10.12659/MSM.925384
Med Sci Monit 2020; 26:e925384
Table 2 Contact ratios of the 4 root surfaces of the maxillary canines and posterior teeth with the MSW.
Mesial root surface | Distal root surface | Buccal root surface | Palatal root surface | p | |||||
---|---|---|---|---|---|---|---|---|---|
n | (%) | n | (%) | n | (%) | n | (%) | ||
Canine | 3 | (0.5%) | 85 | (13.6%) | 7 | (1.1%) | 47 | (7.5%) | 0.000 |
1PM | 16 | (2.5%) | 99 | (15.6%) | 14 | (2.2%) | 88 | (13.9%) | |
2PM | 68 | (10.7%) | 312 | (49.2%) | 86 | (13.6%) | 236 | (37.2%) | |
1M MB | 328 | (51.7%) | 203 | (32.0%) | 156 | (24.6%) | 428 | (67.5%) | |
1M DB | 227 | (35.8%) | 187 | (29.5%) | 149 | (23.5%) | 403 | (63.6%) | |
1M P | 376 | (59.3%) | 294 | (46.4%) | 464 | (73.2%) | 69 | (10.9%) | |
2M | 451 | (71.1%) | 180 | (28.3%) | 393 | (62.0%) | 226 | (35.6%) | |
Each subscript letter denotes a subset of root surface categories whose contact proportions do not differ significantly from each other at the |