scholarly journals Korelasi usia kronologis dan pola tumbuh kembang gigi molar ketiga mandibula perempuan ditinjau dari radiograf panoramikThe correlation of chronological age and growth pattern of female mandibular third molar observed from panoramic radiographs

2021 ◽  
Vol 5 (1) ◽  
pp. 36
Author(s):  
Magdalena Napitupulu ◽  
Belly Sam ◽  
Fahmi Oscandar ◽  
Farina Pramanik
Keyword(s):  
Growth Pattern ◽  
Third Molar ◽  
Age And Growth ◽  
Chronological Age ◽  
Panoramic Radiographs ◽  
Mandibular Third Molar

scholarly journals Sensitivity and Specificity of Mandibular Third Molar Calcification at Chronological Age and Hand Wrist Maturation Stage to Discriminate Between Female and Male at Pubertal Growth Period

2021 ◽  
Vol 15 (1) ◽  
pp. 551-557
Author(s):  
Endah Mardiati ◽  
Ira Komara ◽  
Himawan Halim ◽  
Dikdik Kurnia ◽  
Ani Melani Maskoen
Keyword(s):  
Sensitivity And Specificity ◽  
Third Molar ◽  
Growth Period ◽  
Chronological Age ◽  
Maturation Stage ◽  
Cross Sectional ◽  
Pubertal Growth ◽  
Mandibular Third Molar ◽  
Significant Difference ◽  
Stage D

Background: The mandibular third molar is the last tooth that is not completely developed by the time pubertal growth has been finished. Maturation of the mandibular third molar is one of the physiological maturation indicators that can be used to determine the stage of pubertal growth. Objective: The aim of the study was to determine the sensitivity and specificity of mandibular third molar calcification at chronological age and hand wrist maturation stage to discriminate between female and male at pubertal growth period. Methods: It is a retrospective study with a cross-sectional approach using panoramic and hand-wrist digital radiographs of 279 females and 144 males, age 8-17 years, with a total of 423 panoramic radiographs and 423 hand-wrist radiographs. Statistical analysis was performed using Excel Mega Stat. ANOVA to analyze the differences between mandibular third molar calcification at chronological age and hand-wrist maturation stage, and t-test was used to analyze the differences between females and males. Spearman rank correlation was used for the analysis of the correlation between mandibular third molar calcification with chronological age and hand-wrist maturation stage; sensitivity and specificity were used to discriminate the pubertal growth period between mandibular third molar calcification and hand-wrist maturation stage. Results: There were significant differences found in mandibular third molar crown maturation stage B and C, but no significant difference was observed between mandibular third molar stage A, D, E, F, G and H, between females and males. The highest percentage of mandibular third molar crown formation in females was observed at stage D (6.68%) at MP3u, and in males, it was observed at stage D (8.83%) at SMI-4. The highest percentage of root formation in females was stage E (8.24%) at the SMI-10 stage, and males stage F (4.86%) at MP3u. The correlation was observed between mandibular third molar calcification with hand-wrist, females 0.22 and males 0.43, and chronological age 0.60 for females and 0.69 for males. The highest sensitivity of mandibular third molar calcification of 97.0% was observed in female at SMI-4 of hand-wrist maturation with specificity of 100%, while in male, a sensitivity of 94.5% was observed at SMI-2 stage with a specificity of 99.99%. Conclusion: There were significant differences found in mandibular third molar calcification between females and males except for stage B and stage C; weak correlation was observed between mandibular third molar calcification and hand-wrist, and moderate correlation was observed with chronological age. The sensitivity and specificity in females and males indicate that mandibular third molar calcification is only useful for diagnosing the pre-pubertal growth phase.

scholarly journals Correlation Between the Maturation Stages of Mandibular Third Molars and Chronological Age in Patients Visiting Sardar Begum Dental College, Peshawar

2019 ◽  
Vol 5 (2) ◽  
pp. 3-7
Author(s):  
Muhammad Ilyas ◽  
Asma Khan ◽  
Syed Murad Ali Shah ◽  
Salman Khan ◽  
Junaid Nadeem Malik
Keyword(s):  
Pearson Correlation ◽  
Third Molar ◽  
Cross Sectional Study ◽  
Chronological Age ◽  
P Value ◽  
Third Molars ◽  
Cross Sectional ◽  
Mandibular Third Molar ◽  
Maturation Stages ◽  
Mandibular Third Molars

OBJECTIVES: The objective of this study was to determine the correlation of chronological age with the maturation stages of mandibular third molar. METHODOLOGY: This descriptive, cross-sectional study was conducted at Sardar Begum Dental College, Gandhara University Peshawar on 384 patients from January 2018 to June 2018 and included patients having age 11-26 years with good quality Orthopantomogram showing mandibular third molar tooth germs bilaterally. Data were analyzed using SPSS version 22. p ≤ 0.05 was considered as statistically significant. RESULTS: Females 286 (74.5%) were predominant than males 98 (25.5%) with mean age presentation of 18.12±3.03 years. The most frequent stage of Demirjian’s stages of mandibular third molar was stage F (24.7%). Pearson correlation showed that maturation stages of mandibular third molars were significantly related to the chronological age ( r=0.446, p value=0.00). CONCLUSION: A correlation between maturation stages of mandibular third molars and chronological age existed.

scholarly journals Radiographic Employment of Mandibular Third-Molar Mineralisation to Estimate Chronological Age in a Population of Peshawar, Pakistan

2021 ◽  
Vol 30 (1) ◽  
pp. 39-44
Author(s):  
Quratulain Tariq ◽  
◽  
Mariam Ajmal Tareen ◽  
Iftikhar Uddin ◽  
Umar Hussain
Keyword(s):  
Quantile Regression ◽  
Age Determination ◽  
Third Molar ◽  
Forensic Odontology ◽  
Chronological Age ◽  
Strong Positive Correlation ◽  
Mandibular Third Molar ◽  
Quantile Regression Analysis ◽  
Males And Females ◽  
Mandibular Third Molars

OBJECTIVES: To determine the correlation between chronological age (CA) and mandibular third molar (MTM) development in a sample of Khyber Pakhtunkhwa (KP) population. Furthermore, to provide forensic reference data for age determination from MTM mineralisation. Finally, to derive regression formulae specific to this population to estimate age using MTM calcification stages. METHODOLOGY: Four hundred and seventy orthopantomographs (OPGs) of patients aged between 13-26 years from the Orthodontics department archive at the main tertiary dental hospital of KP were studied for development of MTM staging using Demirjian's method. Spearman's Correlation was applied to determine any relationship between CA and MTM development. An Independent two-sample t-test was performed to compare third-molar development in males and females. Population-specific models was developed using quantile regression analysis. RESULTS: A strong positive correlation was found between CA and MTM development (rs = 0.853; p- <0.001). The median quantile regression equation developed for entire sample is: Age = 8.8+ 1.4(developmental stage). Ninety-four percent of males and females at stage H were at least 18 years or older. CONCLUSION: Mandibular third-molars can be an appropriate guide for CA estimation in the KP population. Stage H is likely to occur at 18 years of age. This may be valuable for medicolegal suits requiring CA estimation. KEYWORDS: forensic odontology, forensic anthropology, panoramic radiographs, chronological age estimation, mandibular third-molar, Pakistan HOW TO CITE: Tariq Q, Tareen MA, Uddin I, Hussain U. Radiographic employment of mandibular third-molar mineralisation to estimate chronological age in a population of Peshawar, Pakistan. J Pak Dent Assoc 2021;30(1):39-44.

scholarly journals An Analysis of Dentigerous Cysts Developed around a Mandibular Third Molar by Panoramic Radiographs

2019 ◽  
Vol 7 (1) ◽  
pp. 13 ◽  
Author(s):  
Masahiko Terauchi ◽  
Satoshi Akiya ◽  
Junya Kumagai ◽  
Yoshio Ohyama ◽  
Satoshi Yamaguchi
Keyword(s):  
Dentigerous Cyst ◽  
Third Molar ◽  
Odontogenic Cysts ◽  
Third Molars ◽  
Class Iii ◽  
Panoramic Radiographs ◽  
Mandibular Third Molar ◽  
Dentigerous Cysts ◽  
Panoramic Images ◽  
Mandibular Third Molars

Dentigerous cysts are one of the most prevalent types of odontogenic cysts and are associated with the crown of an unerupted tooth, especially of the mandibular third molar. In this study, the characteristics of a dentigerous cyst developed around a mandibular third molar on panoramic radiographs were investigated. The panoramic images of 257 consecutive dentigerous cyst cases associated with a mandibular third molar were analyzed. The mean age of the patients was 45.9 ± 13.3 years. The size of the cyst did not significantly correlate to the age of the patient. The unilocular type (89.1%) and the crown side type (68.5%) were significant. The associated mandibular third molars had a high frequency of class III (64.6%) and position B (48.3%) in Pell and Gregory classification and of horizontal position (36.3%) in angulation. Dentigerous cysts were thought to originate and grow commonly around deeply impacted third molars. The associated third molar with dentigerous cyst tends to have a mesial inclination. Dentigerous cysts do not appear to develop gradually after the crown formation has finished, but arise at various periods randomly.

scholarly journals Pattern of Impacted Mandibular Third Molar Teeth in Rangpur Region, Bangladesh: A Radiological Evaluation

KYAMC Journal ◽  
2021 ◽  
Vol 12 (1) ◽  
pp. 8-13
Author(s):  
Md Rubayet Alam Prodhan ◽  
Md Shahidul Islam ◽  
Rifat Rezwana ◽  
Md Moynul Hasan
Keyword(s):  
Third Molar ◽  
Third Molars ◽  
Radiographic Assessment ◽  
Impacted Tooth ◽  
Panoramic Radiographs ◽  
Impacted Mandibular Third Molar ◽  
Mandibular Third Molar ◽  
Molar Teeth ◽  
Impacted Mandibular Third Molars ◽  
Mandibular Third Molars

Background: Third molar is the most commonly impacted tooth in the oral cavity and accounts for large of all impactions. The most common complication in the extraction of the third mandibular molars is nerve and vessels damage. Therefore, thorough radiographic assessment is a necessary to avoid these surgical complications. Objective: The purpose of this study was to evaluate the frequency, angulation, depth of the impacted mandibular third molars and its relationship with ramus on radiographs. Materials and Methods: This study comprised 800 orthopantomograms (OPGs) of patients attending different dental clinics and hospitals in Rangpur region, Bangladesh between June 2014 to May 2015. Panoromic Radiographic assessment was carried out to evaluate the pattern of third molar impaction in terms of age, gender, angulation of impaction, level of eruption and available retromolar space using panoramic radiographs and Pell & Gregory classification. Results: A total of 314 radiographic third molar areas were found in this study, out of them 137 belong to male patients and 177 belong to the female patients. The mesio angular types of angulation was most prevalent (46%) whereas distoangular was rare (5%) in our study. In relation to anterior border of the ramus of mandible Level B 52% and Class II 59% were the most common pattern of impaction. The female tends to be dominant as compared to male & the maximum number (35%) of impacted third molars are found in an age group of 38 years and above. Conclusion: Panoramic radiographs can be used as reliable investigation for evaluation of impacted mandibular third molar. KYAMC Journal.2021;12(01): 08-13

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