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All Journal Padjadjaran Journal of Dentistry Journal of the Indonesian Medical Association : Majalah Kedokteran Indonesia
Pattihahuan, Ira Zefanya
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Biochemistry, Genetics & Molecular Biology Dentistry Education Health Professions Immunology & microbiology Medicine & Pharmacology Public Health

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Aspek Biomekanika Forensik Pada Trauma Peluru Plastik Airsoft Gun Sugiharto, Ade Firmansyah; Pattihahuan, Ira Zefanya
Majalah Kedokteran Indonesia Vol 75 No 1 (2025): Journal of The Indonesian Medical Association - Majalah Kedokteran Indonesia, Vo
Publisher : PENGURUS BESAR IKATAN DOKTER INDONESIA (PB IDI)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47830/jinma-vol.75.1-2025-1854

Abstract

The biomechanical aspects of trauma caused by airsoft gun plastic pellets depend on the energy generated by the pellet and the tissue resistance. The airsoft gun plastic pellet creates lower energy compare to firearm, thus creating non-lethal effect to human body, but sufficient for creating tissue damage. This energy is determined by the velocity, weight, and diameter of the plastic pellet.. Indonesia allows for a maximum of 2 Joule energy, 8 mm in diameter, and 0,4 gram in maximum weight for airsoft gun plastic pellet. When it hits body surface, this characteristics will create energy of 3,98 J/cm2, and 7 J/cm2 with 6 mm plastic pellet diameter. The most common case of injury due to airsoft gun plastic pellet is eye ball injury. With a resistance of 4.3-4.8 J/cm², trauma from airsoft gun plastic pellets can result in corneal abrasion, hyphema, contusion, and even rupture.. Skin has much higher resistance, which is 23,99 J/cm2. Some injury may still be found, including erythema and 5 mm skin penetration.
Age estimation of a skeletonized human remains using the mann and lamendin methods: a case report Sandi, Indah Maydila; Safitry, Oktavinda; Suhartono, Antonius Winoto; Pattihahuan, Ira Zefanya; Auerkari, Elza Ibrahim
Padjadjaran Journal of Dentistry Vol 37, No 1 (2025): March 2025
Publisher : Universitas Padjadjaran

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24198/pjd.vol37no1.59297

Abstract

Introduction: An autopsy examines a deceased body to determine the cause of death. Forensic science applies scientific methods to aid law enforcement. After death, the body progresses through five decomposition stages: fresh, bloated, active decay, advanced decay, and skeletal, each providing crucial information for investigations. This case report purpose is to described age estimation of a skeletonized human remains using the mann and lamendin methods. Case Report: The body was in the skeletonization phase with partial soft tissue remaining on various body parts. No signs of trauma or bleeding were found on the bones. A total of 22 teeth were present, and three teeth were missing post-mortem. The biological age of the individual was estimated using Mann's method, which calculates age based on the palatal suture, followed by Lamendin's method, which uses the periodontosis, root height, and the transparency of the teet Conclusion: The estimation of the individual was more than 50 years using Mann’s method, and between 64 to 70 years using Lamendin’s method. This case demonstrates that forensic odontology provides  a non-invasive, cost-effective, and accurate approach for determining the age of a skeletonized remains by analyzing the sutura palatina and teeth.
Co-Authors Antonius Winoto Suhartono, Antonius Winoto Elza Ibrahim Auerkari Oktavinda Safitry Sandi, Indah Maydila Sugiharto, Ade Firmansyah