Abstract
Introduction: Teeth are the most durable structure present in our human body because of the presence of enamel which persist and resist destruction more than any other bony structure. Hard nature with high amount of resistance of tissues present in the tooth prevents any destruction which increases the lifespan of the tooth.
 Aim: The main aim of this study is to observe the changes in tooth morphology when immersed in dilute and concentrated hydrochloric acid.
 Materials and Methods: Non-caries teeth extracted due to periodontal reasons were used from the department of oral and maxillofacial surgery. The tooth added to alternate dilute and concentrated hydrochloric acid was observed till 6th day and the changes were noted along with the photographs as observations.
 Results: The tooth left in concentrated HCl showed rapid dissolution and was completely dissolved within 24 hours. Tooth left in dilute HCl dissolved gradually and showed less dissolution when compared to concentrated HCl.
 Conclusion: Most durable teeth also undergo erosion and dissolution when placed in dilute HCl and concentrated HCl. Teeth act as a major clue in the field of forensic odontology.
Highlights
Teeth are the most durable structure present in our human body because of the presence of enamel which persist and resist destruction more than any other bony structure
The corrosion or the complete dissolution depends on the type of acid along with the time period.It acts as a major clue for forensic scientists because of its indestructible nature
The changes in tooth morphology can help us to identify the nature of acid along with the time elapsed in the crime scene
Summary
Teeth are the most durable structure present in our human body because of the presence of enamel which persist and resist destruction more than any other bony structure. Aim: The main aim of this study is to observe the changes in tooth morphology when immersed in dilute and concentrated hydrochloric acid. When a tooth is immersed in an acid the tooth undergoes corrosion or complete dissolution within a certain time period [3]. The corrosion or the complete dissolution depends on the type of acid along with the time period.It acts as a major clue for forensic scientists because of its indestructible nature. The changes in tooth morphology can help us to identify the nature of acid along with the time elapsed in the crime scene
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