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2020, vol. 37, br. 1, str. 65-71
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Značaj centralnog žleba donje usne za određivanje kontakta između gornjih centralnih sekutića
Significance of the lower lip central groove for determination of the contact between the upper central incisors
aUniverzitet u Nišu, Medicinski fakultet, Stomatološka klinika bUniverzitet u Nišu, Medicinski fakultet, Katedra za bolesti zuba i endodonciju, Niš
e-adresa: saigic@yahoo.com
Sažetak
Među brojnim činiocima ljudske lepote, pravilan položaj gornjih prednjih zuba, uključujući centralne sekutiće, nesumnjivo je od posebnog značaja. Prilikom određivanja međuviličnih odnosa, značajna faza je pronalaženje sredine lica ili mesta kontakta gornjih centralnih sekutića. Cilj ovog istraživanja bilo je testiranje hipoteze o tome da se mesto kontakta gornjih centralnih sekutića, u većini slučajeva, poklapa sa centralnim žlebom donje usne. Ispitivanje je uključilo dve grupe ispitanika. Jedna grupa sastojala se od 100 ženskih, a druga od 100 muških ispitanika, starosti od 18 do 30 godina. Početna tačka u merenju bio je centralni žleb donje usne. Merenje horizontalnog razmaka između centralnog žleba donje usne i mesta kontakta gornjih centralnih sekutića rađeno je pri blagom kontaktu gornjih zuba i donje usne. Merenje je vršeno korišćenjem digitalnog šublera SH, rezolucije 0,01 mm. Nakon statističke analize, rezultati su pokazali da se, u većini slučajeva, centralni žleb donje usne poklapa sa mestom kontakta gornjih centralnih sekutića. Mesto kontakta gornjih centralnih sekutića može biti određeno jednostavnim prenošenjem položaja centralnog žleba donje usne na gornji zagrižajni bedem, pri blagom kontaktu usana i zagrižajnog bedema.
Abstract
Among many factors influencing human beauty, the correct position of the upper front teeth, including central incisors, is undoubtedly of particular importance. When determining the intermaxillary relationship, an important phase is determination of the medial line of a person's face or places of contact of the upper central incisors. The aim of this study was to test the hypothesis that the place of mutual contact of the upper central incisors in most cases coincided with the central groove of the lower lip. Examination included two groups of respondents. The first group consisted of 100 female and the second of 100 male respondents, with age range from 18 to 30 years. A starting point in measuring was the central groove of the lower lip. Measuring the horizontal distance of the central groove of the lower lip and the mutual contact of the upper central incisors was performed with a slight touch of the upper teeth with the lower lip. The measurement was performed using a digital vernier SH, with the resolution of 0.01 mm. After performing statistical analysis, the results showed that in a large percentage of cases, the central groove of the lower lip coincided with the point of mutual contact of the upper central incisors. The point of contact of the upper incisors can be determined simply by transferring the position of the groove to the upper interocclusal rim,with a slight contact between the lips and interocclusal rim.
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