[Use of phase contrast microscopy in periodontology].

  title={[Use of phase contrast microscopy in periodontology].},
  author={T Mousqu{\`e}s and M T Mousques},
  journal={Revue d'odonto-stomatologie},
  volume={18 4},
Dark field microscopy and phase contrast microscopy allow subgingival microbial plaque examination to differentiate healthy state and pathogenic stages of periodontal disease. These microbial technics are appropriate to inform the patients about the bacterial etiology of their periodontitis and motivate them for a better oral hygiene.