Sex determination by mandibular ramus: A digital orthopantomographic study

##plugins.themes.academic_pro.article.main##

K Samatha
Sujata Byahatti
Renuka Ammanagi
Praveena Tantradi
Chandan Sarang
Prachi Shivpuje

Abstract

Aims and Objectives: (1) To determine the usefulness of mandibular ramus as an aid in sex determination. (2) To evaluate Anteroposterior,superioinferior angle of mandibular condyle. Materials and Methods: A retrospective study was conducted using orthopantomographs of 60 males and 60 females,which were taken using Kodak 8000C Digital Panoramic and Cephalometric System (73 kVp, 12 mA, 13.9 s). The age group ranged between 18 – 45 years. Mandibular ramus measurements were carried out using Master View 3.0 software. The measurements of the mandibular ramus will be subjected to Discriminant function analysis. Results: Maximum ramus breadth, Minimum ramus breadth, Condylar height, Projective height of ramus Coronoid height were calculated for both the sexes differently with the formula & analyzed with Discriminant function analysis using Fischer exact test. The P value was statistically significant with the P value < 0.05 for the following parameters Max. ramus breadth, Condylar height and Projective height of ramus. Conclusion: Mandibular ramus measurements can be a useful tool for gender determination.

##plugins.themes.academic_pro.article.details##

How to Cite
K Samatha, Sujata Byahatti, Renuka Ammanagi, Praveena Tantradi, Chandan Sarang, & Prachi Shivpuje. (2016). Sex determination by mandibular ramus: A digital orthopantomographic study. Journal of Forensic Dental Sciences, 8(2), 95–98. https://doi.org/10.4103/0975-1475.186367

References

  1. Sassouni V. Dentofacial radiography in forensic dentistry. J Dent Res 1963;42:274‑302.
  2. Kumar MP, Lokanadham S. Sex determination and morphometric parameters of human mandible. Int J Res Med Sci 2013;1:93‑6.
  3. Humphrey LT, Dean MC, Stringer CB. Morphological variation in great ape and modern human mandibles. J Anat 1999;195(Pt 4):491-513.
  4. Schulze R, Krummenauer F, Schalldach F, d’Hoedt B. Precision and accuracy of measurements in digital panoramic radiography. Dentomaxillofac Radiol 2000;29:52‑6.
  5. Vodanovic M, Dumancic J, Demo Z, Mihelic D. Determination of sex by discriminant function analysis of mandibles from two Croatian archaeological sites. Acta Stomatol Croat 2006;40:263‑77.
  6. Saini V, Srivastava R, Rai RK, Shamal SN, Singh TB, Tripathi SK. Mandibular ramus: An indicator for sex in fragmentary mandible. J Forensic Sci 2011;56 Suppl 1:S13-6.
  7. Raj JD, Ramesh S. Sexual dimorphism in mandibular ramus of South Indian population. Antrocom Online J Anthropol 2013;9: 253-8.
  8. Acharya AB, Sivapasundaram B. Forensic odontology. In: Rajendran R, Sivapasundaram B, editors. Shafer’s Textbook of Oral Pathology. 5th ed. New Delhi: Elsevier; 2006. p. 1199‑227.
  9. White SC, Pharaoh MJ. Oral Radiology: Principles and Interpretation. 6th ed. St. Louis: Mosby; 2008. p. 175-7.
  10. Langland OE, Langlais RP, Preece JW. Principles of Dental Imaging. 2nd ed. Philadelphia: Lippincott Williams & Wilkins; 2002. p. 202.
  11. Larheim TA, Svanaes DB. Reproducibility of rotational panoramic radiography: Mandibular linear dimensions and angles. Am J Orthod Dentofacial Orthop 1986;90:45‑51.
  12. Kambylafkas P, Murdock E, Gilda E, Tallents RH, Kyrkanides S. Validity of panoramic radiographs for measuring mandibular asymmetry. Angle Orthod 2006;76:388‑93.
  13. Dayal MR, Spocter MA, Bidmos MA. An assessment of sex using the skull of black South Africans by discriminant function analysis. HOMO. J Comp Hum Biol 2008;59:209-21.
  14. Indira AP, Markande A, David MP. Mandibular ramus: An indicator for sex determination – A digital radiographic study. J Forensic Dent Sci 2012;4:58‑62.
  15. Shivaprakash S, Vijaykumar AG. Sex determination by using mandibular ramus posterior flexure – A prospective study. Int J Health Sci Res 2014;4:155-9.