Research Article

Porphyromonas gingivalis and Treponema denticola Mixed Microbial Infection in a Rat Model of Periodontal Disease

Table 1

Morphometric measurements of horizontal alveolar bone loss (area) on the buccal and palatal surfaces of all molars in rats.

Infection/GroupsControlP. gingivalisT. denticolaP. gingivalis + T. denticola

Maxilla 7 WeeksBuccal3.2 ± 0.45 3.4 ± 0.47 4.8 ± 0.47 4.3 ± 0.45
Palatal5.5 ± 0.476.2 ± 0.66 6.5 ± 0.23 7.5 ± 0.77
Mandible 7 WeeksBuccal3.7 ± 0.384.5 ± 0.51 4.4 ± 0.46 4.8 ± 0.32
Palatal6.5 ± 0.547.4 ± 0.51 8.0 ± 0.4 8.8 ± 0.8
Maxilla 12 WeeksBuccal3.2 ± 0.455.1 ± 0.88 5.8 ± 0.91 5.4 ± 0.48
Palatal5.6 ± 0.637.4 ± 0.98 7.7 ± 0.74 8.5 ± 0.64
Mandible 12 WeeksBuccal3.5 ± 0.253.6 ± 0.644.7 ± 0.58 4.2 ± 0.69
Palatal6.6 ± 0.347.6 ± 0.80 8.7 ± 0.51 9.3 ± 0.33

Mean value and standard deviation from six mice per each group measured using AxioVision line tool software as described in methods section. Significantly more than sham-infected control group ( ). Significantly more than sham-infected control group ( ). Significantly more than P. gingivalis infected group ( ). Significantly more than P. gingivalis infected group ( ). Significantly more than T. denticola infected group ( ).