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Crania and teeth are considered to be useful adjuncts for sex assessment and in construction of a postmortem profile, however, there is very little information regarding the relationship between tooth and cranial size. The purpose of this study was to demonstrate the extent of sexual dimorphism of teeth and cranial size in an adult Indian population and their potential in sex estimation using logistic regression analysis. The sample consisted of 200 subjects (96 males and 104 females; age range of 18-30 years) of Indian origin. Cranial anthropometric measurements i.e. maximum head length and head breadth were measured and cephalic index was calculated. Tooth size (maximum mesiodistal and buccolingual dimensions) was measured for all the permanent teeth of the right side of the maxillary and mandibular arches, except the third molars. To ascertain the usefulness of absolute measurements of crania and teeth and the combination of both these parameters in sex prediction, logistic regression analysis was done. The cranial anthropometric measurements gave a sex assessment accuracy ranging from 53.5 to 79.9%, with head length giving the best accuracy. The sex classification accuracy of the odontometric measurements ranged from 61.5 to 76%, with combination of maxillary and mandibular teeth giving better accuracy. The use of both these parameters together vastly improved the accuracy to 88.4%. This study demonstrates that cranial anthropometry along with odontometry could be used for determining the gender of adult Indians in a forensic context. Among all the parameters, head length gave a superior sex prediction alone (79.9%) as well as in combination with odontometry (88.4%).

Background The appearance of pink teeth is a common phenomenon which has been observed after death in certain circumstances on post-mortem examination. Extra fibrinolytic activity of pulp facilitates rapid breakdown of red blood cells and diffusion of hemoglobin and its derivatives to flow into dentine. Methods and results We reviewed various studies on pink tooth phenomenon which have stated the various factors that lead to pink tooth formation. Most of the authors have stressed that post-mortem pink teeth must not be considered as a reliable odontological parameter for determining cause of death. Conclusion No correlation has been found between the occurrence of pink teeth and the cause of death but condition of the surroundings certainly plays an important role in the development of this phenomenon. This paper reviews the factors and conditions responsible for formation of pink teeth.