Table 3 Comparison of the microbial load (oral bacteria) before and after PDT.

From: Photodynamic therapy in oral lichen planus: A prospective case-controlled pilot study

Oral bacteria

p-value

between timepointsT1-T4

A. actinomycetemcomitans

1.000

A. viscosus

1.000

T. forsythia

0.689

C. rectus

0.500

T. denticola

0.506

E. corrodens

0.219

P. intermedia

0.376

P. micra

0.126

P. gingivalis

0.627

F. nucleatum

1.000

A. odontolyticus

0.501

Capnocytophaga sp.

1.000

C. concisus

0.727

E. nodatum

1.000

S constellatus group

0.109

C. gracilis

0.500

S. mitis group

0.252

P. nigrescens

0.291

S. gordonii group

0.508

V. parvula

1.000