Human Clinical Trials

Teeth Whitening – Objective and Subjective Shade Evaluations

  • Objective: Chroma-meter (Minolta and Spectro shade), digital photography
  • Subjective: Shade-guides


Teeth Cleaning and Stain Removal

  • Lobene Stain Index
  • Shade guide evaluation


Tartar Control

  • Volpe-Manhold Index



  • Modified Navy Index (Rustogi Modification)
  • Quigley Hein Plaque Index
  • Tureski Modification Plaque Index
  • Loe and Silness Plaque Index



  • Gingival Bleeding Index
  • Loe and Silness Gingival Index
  • Modified Gingival Index



  • DMFT (Decayed Missing Filled Teeth)
  • DMFS (Decayed Missing Filled Surfaces)


Dentinal Hypersensitivity

  • Air Blast (Schiff)
  • Tactile (Yeaple)
  • Tactile (Joey)
  • Hedonic Scale



  • Stimulated Saliva
  • Unstimulated Saliva
  • Hedonic Scale


Oral Malodor

  • Halimeter


Oral Irritation

  • Clinical
  • Protein Content
  • MTT Assay