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Multiple Lingual Cusps Trait on Mandibular Premolars and Hypoconulid Reduction Trait on Mandibular First Molar in Living Jordanian Population. Intra- and Inter-trait Interactions

Ameen Khraisat ; University of Jordan, Faculty of Dentistry, Department of Conservative Dentistry and Fixed Prosthodontics, Amman, Jordan
Firas Alsoleihat ; University of Jordan, Faculty of Dentistry, Department of Conservative Dentistry and Fixed Prosthodontics, Amman, Jordan
Karthikeyan Subramani ; University of Amsterdam and VU University Amsterdam, Academic Centre for Dentistry Amsterdam, Department of Oral Implantology and Prosthodontics, Amsterdam, The Netherlands
Mohammad A. Al-Rabab’ah ; University of Jordan, Faculty of Dentistry, Department of Conservative Dentistry and Fixed Prosthodontics, Amman, Jordan
Mahmoud K. Al-Omiri ; University of Jordan, Faculty of Dentistry, Department of Prosthodontics, Amman, Jorda
Ibrahim Abu-Tahun ; University of Jordan, Faculty of Dentistry, Department of Conservative Dentistry and Fixed Prosthodontics, Amman, Jordan

Puni tekst: engleski, pdf (133 KB) str. 885-894 preuzimanja: 149* citiraj
APA 6th Edition
Khraisat, A., Alsoleihat, F., Subramani, K., Al-Rabab’ah, M.A., Al-Omiri, M.K. i Abu-Tahun, I. (2013). Multiple Lingual Cusps Trait on Mandibular Premolars and Hypoconulid Reduction Trait on Mandibular First Molar in Living Jordanian Population. Intra- and Inter-trait Interactions. Collegium antropologicum, 37 (3), 885-894. Preuzeto s https://hrcak.srce.hr/118287
MLA 8th Edition
Khraisat, Ameen, et al. "Multiple Lingual Cusps Trait on Mandibular Premolars and Hypoconulid Reduction Trait on Mandibular First Molar in Living Jordanian Population. Intra- and Inter-trait Interactions." Collegium antropologicum, vol. 37, br. 3, 2013, str. 885-894. https://hrcak.srce.hr/118287. Citirano 09.05.2021.
Chicago 17th Edition
Khraisat, Ameen, Firas Alsoleihat, Karthikeyan Subramani, Mohammad A. Al-Rabab’ah, Mahmoud K. Al-Omiri i Ibrahim Abu-Tahun. "Multiple Lingual Cusps Trait on Mandibular Premolars and Hypoconulid Reduction Trait on Mandibular First Molar in Living Jordanian Population. Intra- and Inter-trait Interactions." Collegium antropologicum 37, br. 3 (2013): 885-894. https://hrcak.srce.hr/118287
Harvard
Khraisat, A., et al. (2013). 'Multiple Lingual Cusps Trait on Mandibular Premolars and Hypoconulid Reduction Trait on Mandibular First Molar in Living Jordanian Population. Intra- and Inter-trait Interactions', Collegium antropologicum, 37(3), str. 885-894. Preuzeto s: https://hrcak.srce.hr/118287 (Datum pristupa: 09.05.2021.)
Vancouver
Khraisat A, Alsoleihat F, Subramani K, Al-Rabab’ah MA, Al-Omiri MK, Abu-Tahun I. Multiple Lingual Cusps Trait on Mandibular Premolars and Hypoconulid Reduction Trait on Mandibular First Molar in Living Jordanian Population. Intra- and Inter-trait Interactions. Collegium antropologicum [Internet]. 2013 [pristupljeno 09.05.2021.];37(3):885-894. Dostupno na: https://hrcak.srce.hr/118287
IEEE
A. Khraisat, F. Alsoleihat, K. Subramani, M.A. Al-Rabab’ah, M.K. Al-Omiri i I. Abu-Tahun, "Multiple Lingual Cusps Trait on Mandibular Premolars and Hypoconulid Reduction Trait on Mandibular First Molar in Living Jordanian Population. Intra- and Inter-trait Interactions", Collegium antropologicum, vol.37, br. 3, str. 885-894, 2013. [Online]. Dostupno na: https://hrcak.srce.hr/118287. [Citirano: 09.05.2021.]

Sažetak
The objective was to determine the expression and fluctuating asymmetry of two dental morphological traits in the living Jordanians: The lingual cusp number on the lower premolars (LP1 and LP2) and the hypoconulid (distal cusp) reduction on the lower first molar (LM1). In addition, both intra- trait and inter- trait interactions were analyzed. Three hundred school children (15.5± 0.4 years) were involved. Impressions for the mandibular dental arches were taken, and dental casts were reproduced. The above-mentioned traits were observed. Paired sample t test and nonparametric corre- lation analysis were used for data analysis. Three-cusped LP1 was found in 11.40 % of the examined students, while the two-cusped LP1 was found in 88.60%. In comparison, the Three-cusped LP2 was found in 61.40% while the two-cusped LP2 was found in 38.60% of the observed subjects. The frequencies of the 4-cusped and 5-cusped LM1 were found to be 8.65% and 91.35%, respectively. Nonparametric correlation analysis revealed positive and statistically significant asso- ciation between the expression of two lingual cusps on LP1 and on LP2 in both genders (p<0.01), while there was no sig- nificant correlation between expression of two lingual cusps on either LP1 or LP2 and the hypoconulid loss on LM1 in both genders (p>0.05). Bilateralism was highly significant in the tested traits in both genders (p<0.001).This finding might be a sign of relatively low environmental stresses experienced by the living Jordanians and/or great ability of its individuals to buffer the adverse effects of such stresses on dental development. This study is a useful addition to the ex- isting literature in that it examines a previously poorly characterized population and assists in placing the contemporary Jordanian population within the current framework of human population groups globally.

Ključne riječi
left-right fluctuating asymmetry; buccolingual diameter; mesiodistal diameter; sexual dimorphism; bilateralism

Hrčak ID: 118287

URI
https://hrcak.srce.hr/118287

Posjeta: 315 *