<prompt> Which of the following teeth are not excluded from the scoring in Simplified Oral Hygiene Index OHI-S?Natural teeth with full crown restorationsSurfaces reduced in height by cariesTraumatized teethFunctional third molars  <response>: The Simplified Oral Hygiene Index OHI-S was developed in 1964 by John C. Greene and Jack R. Vermillion. Natural teeth with full crown restorations and surfaces reduced in height by caries or trauma are not scored. Third molars are included only if they are functional 