Background: The position and its morphological variations of Mental Foramen are very important because it will be helpful to localize the important maxillofacial neurovascular bundle passing through. It is landmark to facilitate surgical, local anaesthetic and other invasive procedures for dental surgeons performing peri-apical surgery in the mental region of mandible. Aims & Objective: To Study morphological and morphometric analysis of mental foramen in dry human mandibles. Material and Methods: 50 dried adult human mandibles with complete dentition and intact alveolar margin of unknown sex were used for this study. The shape of MF observed was either oval or rounded. The morphometric measurements which were recorded using Vernier callipers. Results: The most commonly present position of the MF as related to the lower set of teeth was in line with the second premolar, i.e. Type 4 (64.7 % cases on the right and 66.7 % cases on the left side). Next common position was Type 3, i.e. between the premolars (21.6% on right and 19.6% on the left sides. The mean distance between symphysis mentii and anterior margin of MF was 23.3 mm and 22.5 mm, on the right and left sides respectively. Mean distance between posterior margin of MF and posterior border of ramus was 61.3 mm on the right side and 62.5 mm on the left side. Conclusion: The present study reveals valuable insights on the information concerning the morphology of mental foramen in various populations and races. The knowledge of the distances from surgically encountered anatomical landmarks in the present study provide valuable information to dental surgeons that will facilitate effective localization of the neurovascular bundle passing through mental foramen thus avoiding complications from local anaesthetic, surgical and other invasive procedures.
Plastination is useful in anatomy as well as serving as models and teaching tools.The plastinated specimens retain their dilated conformation by a positive pressure air flow during the curing process, which allows them to be used to teach both endoscopic technique and gastrointestinal anatomy. With the use of plastination as a teaching method of animal science, the plastination process allows specimens to be studied for a long time. Platination is derived from the Greek (from plassei to shape, to form, a creation of Gunther Von Hagens. A process at the interface of the medical discipline of anatomy and modern polymer chemistry. Plastnation makes it possible to preserve individual tissues and organ. Luminal plastination can be uses to upgrade the knowledge of comparative anatomy which is of profound importance in the present Era of advances in therapeutic science that use animal model for testing drug. The tracheobronchial pattern of human lungs is well known. An attempt was made to compare the pattern with that of goat lung using luminal plastination of goat lung. Several similarities were observed between the two patterns, due to which, the goat lung serves as an ideal experimental model to study the effect of treatment in several human airway diseases.
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