Reduction index of the upper M2 in marmosets

  title={Reduction index of the upper M2 in marmosets},
  author={Eisaku Kanazawa and Alfred L. Rosenberger},
Marmosets have reduced second molars of which size and shape are varied in different species. Mesiodistal and buccolingual diameter of the first and second upper molars in 16 species were measured, and molar area (molar rectangle) and M2 reduction index were calculated by the equation,R=(M2 area/M1 area) × 100. This index ranged from 36.1 inSaguinus oedipus geoffroyi to 70.6 which was the largest found inCebuella pygmaea. Species ofSaguinus showed relatively wide variation as well as a… CONTINUE READING
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