Root Pulp Visibility as a mandibular maturity marker at the 18-year threshold in the Maltese population.

Abstract:

INTRODUCTION:The determination of age of majority (the 18-year-old threshold) using the popular Demirjian tooth staging method is unreliable, so other maturity markers are required. This study examines whether the Root Pulp Visibility (RPV) of the mandibular third molar is a useful indicator of age. METHODS:One thousand six dental panoramic radiographs (DPTs) were examined and the left mandibular third molar assessed according to the RPV stages using the method of Olze et al. (Int J Legal Med 124:183-186, 2010) as modified by Lucas et al. (Forensic Sci Int 270:98-102, 2017). Six hundred sixty-two DPTs, 288 males and 374 females, satisfied the inclusion criteria. RESULTS:Individuals who had reached stages RPV-A and RPV-B were represented in a wide range of ages spanning the 18-year-old threshold. Individuals who had reached stages RPV-C and RPV-D were all above the 18-year-old threshold. It was not possible to analyse a large number of DPTs for various reasons. DISCUSSION:Individuals whose mandibular third molar exhibited stages RPV-C and RPV-D may be deemed to have reached the age of majority. These results are consistent with other published studies. Variation in the rate of development of the third molar limits the applicability of this method. CONCLUSIONS:RPV staging is an accurate method of determining the 18-year-old threshold. Substitute methods are required in a large number of cases.

journal_name

Int J Legal Med

authors

Al Qattan F,Alzoubi EE,Lucas V,Roberts G,McDonald F,Camilleri S

doi

10.1007/s00414-019-02155-5

subject

Has Abstract

pub_date

2020-01-01 00:00:00

pages

363-368

issue

1

eissn

0937-9827

issn

1437-1596

pii

10.1007/s00414-019-02155-5

journal_volume

134

pub_type

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