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Ultima descărcare din IBN: 2023-06-16 21:33 |
Căutarea după subiecte similare conform CZU |
611.716.4:616.314 (1) |
Anatomy. Human and comparative anatomy (240) |
Stomatology. Oral cavity. Mouth. Diseases of the mouth and teeth (532) |
![]() BABUCI, Angela, CATERENIUC, Ilia, ZORINA, Zinovia, BOTNARI, Tatiana, CERTAN, Galina, BOTNARU, Doina. Morphological peculiarities and variability of the marginal mandibular branch. In: Revista de Ştiinţe ale Sănătăţii din Moldova, 2022, nr. 3 An.1(29), p. 5. ISSN 2345-1467. |
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Revista de Ştiinţe ale Sănătăţii din Moldova | ||||||
Numărul 3 An.1(29) / 2022 / ISSN 2345-1467 | ||||||
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CZU: 611.716.4:616.314 | ||||||
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Background. The marginal mandibular branch (MMB) often is a single branch, thus increasing its susceptibility to iatrogenic lesions. Objective of the study. The purpose of our study was to determine the variability and morphological specific features of the MMB dependent on gender, side of the body and anthropometric type of the head. Material and Methods. The study was carried out at the Department of anatomy and clinical anatomy of Nicolae Testemitanu University on 75 formalized cadaveric hemi-heads (59 male/16 female). The quantitative and qualitative variables were analysed by Excel 2016 processing program, using the methods of descriptive and inferential statistics. Results. In 54.7% of cases a single MMB was marked out; 2 MMB – 38.7%; 3 MMB – 5.3%; 4 MMB – 1.3%. In male individuals MMB bilaterally varied between 1-3 branches, with a mean value of 1.5 MMB, and in female the variation on the right side was 1-2 MMB, and on the left side 1-4 MMB, with a mean of 1.6 MMB; for gender criterion p = 0.845. On the right hemi-heads the mean number of MMB was 1.4 MMB, and on the left side it was 1.6 MMB, p = 0.204. In mesocephalic cadavers the mean number of MMB was 1.47 ± 0.68 (CI95% = 1.47 ± 0.18), in brachicephalic – 1.63 ± 0.52 (CI95%1.63 ± 0.36), and in dolichocephalic – 1.89 ± 0.60, (CI95% = 1.89 ± 0.39), the variance of frequency between groups was 1.698, df = 2, p = 0.190. In 5.3% of cases, an unusual variant of MMB origin from the temporofacial division of the facial nerve was established. Conclusion. The number variability of the MMB in male was lower than in female, and by laterality criterion, the number of the MMB prevailed on the left side. The highest mean value was determined in dolichocephalic individuals, and the lowest in mesocephalic ones. The variability of the MMB is of a great clinical significance for the head and neck surgery. |
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Cuvinte-cheie marginal mandibular branch, variability, ramura marginală a mandibulei, variabilitate |
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