Strajnić, Ljiljana

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Skeletal changes in patients with mandibular prognathism after mandibular set back and bimaxillary surgery: A comparative cephalometric study

Sinobad, Vladimir; Strajnić, Ljiljana; Sinobad, Tamara

(Vojnomedicinska akademija - Institut za naučne informacije, Beograd, 2020)

TY  - JOUR
AU  - Sinobad, Vladimir
AU  - Strajnić, Ljiljana
AU  - Sinobad, Tamara
PY  - 2020
UR  - https://smile.stomf.bg.ac.rs/handle/123456789/2495
AB  - Bacground/Aim. Recently, maxillary and bimaxillary surgery gained the primacy in the surgical correction of class III deformities. The aim of this investigation was to compare the changes in the skeletal relationships in patients with mandibular prognathism after bimaxillary surgery. Methods. The study included 70 subjects divided into three groups. Twenty class III patients of the experimental group 1 underwent bilateral sagittal ramus osteotomy and twenty patients of the experimental group 2 were subjected to bimaxillary surgery. The control group consisted of 30 subjects with skeletal class I and physiological occlusion. Cephalometric research was conducted on 110 lateral cephalometric radiographs made in subjects of the experimental groups 1 and 2 before and after surgery and in subjects of the control group. Using the computer program "Dr. Ceph", 30 linear and angular skeletal variables were analyzed on each radiograph. Results. Bimaxillary osteotomies changed most of variables that characterize the mandibular prognathism. The changes in the sagittal plane included the significant increase of sella-nasion to the A point (SNA) angle (by 4º on the average) and the A point to B point (ANB) angle (6°), and significant reduction in angles sellanasion to the B point (SNB) (3º), gonial angle (ArGoMe) (8°), gonial angle inferior (NGoMe) (6.2º), and Björks sum (7°). The vertical relationships were normalized by significant reduction in overall anterior face height N-Me (by 5 mm on the average), the lower anterior face height ANS-Me (4 mm), significant increase in the total posterior face height S-Go (2.5-3 mm), lower posterior face height PNS-Go (4 mm), and significant reduction of the basal and mandibular plane angles. Conclusion. Compared to the isolated mandibular operations, bimaxillary surgery changes more efficiently the sagittal and vertical skeletal relations in patients with class III deformities and harmonizes more successfully the entire skeletal facial profile.
AB  - Uvod/Cilj. Maksilarna i bimaksilarna hirurgija dobila je nedavno primat u hirurškim korekcijama deformiteta klase III. Cilj ovog istraživanja je bio da se uporede promene u skeletnim odnosima kod bolesnika sa mandibularnim prognatizmom posle bimaksilarne operacije. Metode. Ispitivanjem je obuhvaćeno 70 ispitanika podeljenih u tri grupe. Dvadeset ispitanika klase III eksperimentalne grupe 1 podvrgnuto je bilateralnoj sagitalnoj ramus osteotomiji, a dvadeset ispitanika eksperimentalne grupe 2 podvrgnuto je bimaksilarnoj operaciji. Kontrolnu grupu činilo je 30 ispitanika sa skeletnom klasom I i fiziološkom okluzijom. Rendgen-kraniometrijsko istraživanje obavljeno je na 110 bočnih telerendgen snimaka urađenih kod ispitanika u eksperimentalnim grupama 1 i 2 pre i posle operacije i ispitanika kontrolne grupe. Koristeći kompjuterski program "Dr.Ceph", na svakom telerendgenu analizirano je 30 linearnih i ugaonih skeletnih varijabli. Rezultati. Bimaksilarna osteotomija promenila je većinu varijabli koje karakterišu mandibularni prognatizam. Promene u sagitalnoj ravni uključuju značajan porast ugla maksilarnog prognatizma (SNA) (od 4º u proseku) i ugla gagitalnog odnosa tela gornje i donje vilice (ANB) ugla (6°), značajno smanjenje uglova ugao mandibularnog prognatizma (SNB) (3º), ganialnog ugla (ArGoMe) (8°), donjeg gonialnog ugla (NGoMe) (6,2º), i Bjorkovog poligona (7°). Vertikalni odnosi su normalizovani značajnim smanjenjem ukupne prednje visine lica NMe (od 5 mm u proseku), prednje donje visine lica (ANBMe) (4 mm), povećanjem ukupne zadnje visine lica M-Go (2,5-3 mm), zadnje donje visine lice PNS-Go (4 mm), i značajnim smanjenjem mandibularnih uglova. Zaključak. U poređenju sa izolovanom mandibularnom operacijom bimaksilarna hirurgija menja efikasnije sagitalne i vertikalne skeletne odnose kod bolesnik sa deformitetima klase III i uspešnije harmonizuje ceo skeletni profil lica.
PB  - Vojnomedicinska akademija - Institut za naučne informacije, Beograd
T2  - Vojnosanitetski pregled
T1  - Skeletal changes in patients with mandibular prognathism after mandibular set back and bimaxillary surgery: A comparative cephalometric study
T1  - Skeletne promene kod bolesnika sa mandibularnim prognatizmom nakon mandibularne i bimaksilarne hirurgije - komparativna rendgenkraniometrijska studija
VL  - 77
IS  - 4
SP  - 395
EP  - 404
DO  - 10.2298/VSP171017087S
ER  - 
@article{
author = "Sinobad, Vladimir and Strajnić, Ljiljana and Sinobad, Tamara",
year = "2020",
abstract = "Bacground/Aim. Recently, maxillary and bimaxillary surgery gained the primacy in the surgical correction of class III deformities. The aim of this investigation was to compare the changes in the skeletal relationships in patients with mandibular prognathism after bimaxillary surgery. Methods. The study included 70 subjects divided into three groups. Twenty class III patients of the experimental group 1 underwent bilateral sagittal ramus osteotomy and twenty patients of the experimental group 2 were subjected to bimaxillary surgery. The control group consisted of 30 subjects with skeletal class I and physiological occlusion. Cephalometric research was conducted on 110 lateral cephalometric radiographs made in subjects of the experimental groups 1 and 2 before and after surgery and in subjects of the control group. Using the computer program "Dr. Ceph", 30 linear and angular skeletal variables were analyzed on each radiograph. Results. Bimaxillary osteotomies changed most of variables that characterize the mandibular prognathism. The changes in the sagittal plane included the significant increase of sella-nasion to the A point (SNA) angle (by 4º on the average) and the A point to B point (ANB) angle (6°), and significant reduction in angles sellanasion to the B point (SNB) (3º), gonial angle (ArGoMe) (8°), gonial angle inferior (NGoMe) (6.2º), and Björks sum (7°). The vertical relationships were normalized by significant reduction in overall anterior face height N-Me (by 5 mm on the average), the lower anterior face height ANS-Me (4 mm), significant increase in the total posterior face height S-Go (2.5-3 mm), lower posterior face height PNS-Go (4 mm), and significant reduction of the basal and mandibular plane angles. Conclusion. Compared to the isolated mandibular operations, bimaxillary surgery changes more efficiently the sagittal and vertical skeletal relations in patients with class III deformities and harmonizes more successfully the entire skeletal facial profile., Uvod/Cilj. Maksilarna i bimaksilarna hirurgija dobila je nedavno primat u hirurškim korekcijama deformiteta klase III. Cilj ovog istraživanja je bio da se uporede promene u skeletnim odnosima kod bolesnika sa mandibularnim prognatizmom posle bimaksilarne operacije. Metode. Ispitivanjem je obuhvaćeno 70 ispitanika podeljenih u tri grupe. Dvadeset ispitanika klase III eksperimentalne grupe 1 podvrgnuto je bilateralnoj sagitalnoj ramus osteotomiji, a dvadeset ispitanika eksperimentalne grupe 2 podvrgnuto je bimaksilarnoj operaciji. Kontrolnu grupu činilo je 30 ispitanika sa skeletnom klasom I i fiziološkom okluzijom. Rendgen-kraniometrijsko istraživanje obavljeno je na 110 bočnih telerendgen snimaka urađenih kod ispitanika u eksperimentalnim grupama 1 i 2 pre i posle operacije i ispitanika kontrolne grupe. Koristeći kompjuterski program "Dr.Ceph", na svakom telerendgenu analizirano je 30 linearnih i ugaonih skeletnih varijabli. Rezultati. Bimaksilarna osteotomija promenila je većinu varijabli koje karakterišu mandibularni prognatizam. Promene u sagitalnoj ravni uključuju značajan porast ugla maksilarnog prognatizma (SNA) (od 4º u proseku) i ugla gagitalnog odnosa tela gornje i donje vilice (ANB) ugla (6°), značajno smanjenje uglova ugao mandibularnog prognatizma (SNB) (3º), ganialnog ugla (ArGoMe) (8°), donjeg gonialnog ugla (NGoMe) (6,2º), i Bjorkovog poligona (7°). Vertikalni odnosi su normalizovani značajnim smanjenjem ukupne prednje visine lica NMe (od 5 mm u proseku), prednje donje visine lica (ANBMe) (4 mm), povećanjem ukupne zadnje visine lica M-Go (2,5-3 mm), zadnje donje visine lice PNS-Go (4 mm), i značajnim smanjenjem mandibularnih uglova. Zaključak. U poređenju sa izolovanom mandibularnom operacijom bimaksilarna hirurgija menja efikasnije sagitalne i vertikalne skeletne odnose kod bolesnik sa deformitetima klase III i uspešnije harmonizuje ceo skeletni profil lica.",
publisher = "Vojnomedicinska akademija - Institut za naučne informacije, Beograd",
journal = "Vojnosanitetski pregled",
title = "Skeletal changes in patients with mandibular prognathism after mandibular set back and bimaxillary surgery: A comparative cephalometric study, Skeletne promene kod bolesnika sa mandibularnim prognatizmom nakon mandibularne i bimaksilarne hirurgije - komparativna rendgenkraniometrijska studija",
volume = "77",
number = "4",
pages = "395-404",
doi = "10.2298/VSP171017087S"
}
Sinobad, V., Strajnić, L.,& Sinobad, T.. (2020). Skeletal changes in patients with mandibular prognathism after mandibular set back and bimaxillary surgery: A comparative cephalometric study. in Vojnosanitetski pregled
Vojnomedicinska akademija - Institut za naučne informacije, Beograd., 77(4), 395-404.
https://doi.org/10.2298/VSP171017087S
Sinobad V, Strajnić L, Sinobad T. Skeletal changes in patients with mandibular prognathism after mandibular set back and bimaxillary surgery: A comparative cephalometric study. in Vojnosanitetski pregled. 2020;77(4):395-404.
doi:10.2298/VSP171017087S .
Sinobad, Vladimir, Strajnić, Ljiljana, Sinobad, Tamara, "Skeletal changes in patients with mandibular prognathism after mandibular set back and bimaxillary surgery: A comparative cephalometric study" in Vojnosanitetski pregled, 77, no. 4 (2020):395-404,
https://doi.org/10.2298/VSP171017087S . .
2
1
2

Self-perception and satisfaction with dental appearance and aesthetics with respect to patients' age, gender, and level of education

Strajnić, Ljiljana; Bulatović, Dijana; Stančić, Ivica; Živković, Rade

(Srpsko lekarsko društvo, Beograd, 2016)

TY  - JOUR
AU  - Strajnić, Ljiljana
AU  - Bulatović, Dijana
AU  - Stančić, Ivica
AU  - Živković, Rade
PY  - 2016
UR  - https://smile.stomf.bg.ac.rs/handle/123456789/2146
AB  - Introduction Patient's subjective evaluation of dental appearance and aesthetics is becoming an increasingly important factor in aesthetic treatments and prosthetic therapy. Objective The aim of this study was to investigate the influence of age, education level, gender, and different dental status and the appearance of the upper anterior teeth (color, size, shape, position and alignment of the anterior teeth) on the satisfaction of the respondents with dental appearance and aesthetics of their upper anterior teeth and their desire for improvement. Methods The study encompassed 480 people aged 20 to 50 years with an average age of 30.84 years. There were 236 male and 244 female subjects. The respondents were interviewed using a questionnaire specially designed for the purpose of this research. For the study, the subjects were divided into the following three age groups: the younger age group (20-30 years of age), the middle age group (31-40 years of age), and the older age group (41-50 years of age). Results The conducted study did not reveal statistical significance with respect to gender in any of the examined parameters (p > 0.05). A little more than one half of the respondents in each age group were satisfied with their dental appearance and aesthetics (60.3% of the respondents in the age group of 20-30 years, 55.7% in the age group of 31-40, and 53.7% in the age group of 41-50 years of age). Satisfaction with dental appearance and aesthetics increases linearly with the increase in the level of education and was the highest among the respondents with university degree (33.3%). Conclusion Female respondents were more dissatisfied with their dental appearance and aesthetics as compared with male respondents, but the difference was found to be non-significant. Patients with higher education level were more satisfied with their dental appearance and aesthetics than those with lower education.
AB  - Uvod Pacijentovo subjektivno vrednovanje dentalnog izgleda i estetike postaje sve važniji faktor prilikom estetskih tretmana i protetskih terapija. Cilj rada Cilj istraživanja bio je da istraži uticaj godina starosti, nivoa obrazovanja, pola ispitanika i različiti zubni status i izgled gornjih prednjih zuba (boja, veličina, oblik, poredak prednjih zuba) na zadovoljstvo ispitanika dentalnim izgledom i estetikom gornjih prednjih zuba i postojanje želje za unapređenjem dentalne estetike. Metode rada Istraživanje je sprovedeno na 480 osoba od 20 do 50 godina, prosečne starosti 30,84 godina. Bilo je 236 ispitanika muškog pola i 244 ispitanika ženskog pola. Ispitanici su intervjuisani putem upitnika specijalno napravljenog za potrebe ovog istraživanja. Za potrebe istraživanja ispitanici su podeljeni prema godinama starosti u tri starosne grupe: mlađa starosna grupa (20-30 godina), srednja starosna grupa (31-40 godina), starija starosna grupa (41-50 godina). Rezultati Sprovedena studija nije utvrdila statističku signifikantnost u odnosu na pol ni u jednom od ispitivanih parametara (p > 0,05). Polovina ispitanika u svakoj starosnoj grupi bila je zadovoljna dentalnim izgledom i estetikom: 60,3% ispitanika u starosnoj grupi 20-30 godina, 55,7% u starosnoj grupi 31-40 godina i 53,7% u starosnoj grupi 41-50 godina. Zadovoljstvo dentalnim izgledom i estetikom ima linearno pravilo porasta zadovoljstva sa porastom stepena obrazovanja i najveće je kod ispitanika sa završenim fakultetom (33,3%). Zaključak Žene su bile nezadovoljnije svojim dentalnim izgledom i estetikom u odnosu sa muškarce, ali razlika nije statistički značajna. Pacijenti sa visokim stepenom obrazovanja bili su zadovoljniji dentalnim izgledom i estetikom nego ispitanici sa nižim stepenom obrazovanja.
PB  - Srpsko lekarsko društvo, Beograd
T2  - Srpski arhiv za celokupno lekarstvo
T1  - Self-perception and satisfaction with dental appearance and aesthetics with respect to patients' age, gender, and level of education
T1  - Subjektivno vrednovanje i odnos prema dentalnom izgledu i estetici u odnosu na godine starosti, pol i stepen obrazovanja
VL  - 144
IS  - 11-12
SP  - 580
EP  - 589
DO  - 10.2298/SARH1612580S
ER  - 
@article{
author = "Strajnić, Ljiljana and Bulatović, Dijana and Stančić, Ivica and Živković, Rade",
year = "2016",
abstract = "Introduction Patient's subjective evaluation of dental appearance and aesthetics is becoming an increasingly important factor in aesthetic treatments and prosthetic therapy. Objective The aim of this study was to investigate the influence of age, education level, gender, and different dental status and the appearance of the upper anterior teeth (color, size, shape, position and alignment of the anterior teeth) on the satisfaction of the respondents with dental appearance and aesthetics of their upper anterior teeth and their desire for improvement. Methods The study encompassed 480 people aged 20 to 50 years with an average age of 30.84 years. There were 236 male and 244 female subjects. The respondents were interviewed using a questionnaire specially designed for the purpose of this research. For the study, the subjects were divided into the following three age groups: the younger age group (20-30 years of age), the middle age group (31-40 years of age), and the older age group (41-50 years of age). Results The conducted study did not reveal statistical significance with respect to gender in any of the examined parameters (p > 0.05). A little more than one half of the respondents in each age group were satisfied with their dental appearance and aesthetics (60.3% of the respondents in the age group of 20-30 years, 55.7% in the age group of 31-40, and 53.7% in the age group of 41-50 years of age). Satisfaction with dental appearance and aesthetics increases linearly with the increase in the level of education and was the highest among the respondents with university degree (33.3%). Conclusion Female respondents were more dissatisfied with their dental appearance and aesthetics as compared with male respondents, but the difference was found to be non-significant. Patients with higher education level were more satisfied with their dental appearance and aesthetics than those with lower education., Uvod Pacijentovo subjektivno vrednovanje dentalnog izgleda i estetike postaje sve važniji faktor prilikom estetskih tretmana i protetskih terapija. Cilj rada Cilj istraživanja bio je da istraži uticaj godina starosti, nivoa obrazovanja, pola ispitanika i različiti zubni status i izgled gornjih prednjih zuba (boja, veličina, oblik, poredak prednjih zuba) na zadovoljstvo ispitanika dentalnim izgledom i estetikom gornjih prednjih zuba i postojanje želje za unapređenjem dentalne estetike. Metode rada Istraživanje je sprovedeno na 480 osoba od 20 do 50 godina, prosečne starosti 30,84 godina. Bilo je 236 ispitanika muškog pola i 244 ispitanika ženskog pola. Ispitanici su intervjuisani putem upitnika specijalno napravljenog za potrebe ovog istraživanja. Za potrebe istraživanja ispitanici su podeljeni prema godinama starosti u tri starosne grupe: mlađa starosna grupa (20-30 godina), srednja starosna grupa (31-40 godina), starija starosna grupa (41-50 godina). Rezultati Sprovedena studija nije utvrdila statističku signifikantnost u odnosu na pol ni u jednom od ispitivanih parametara (p > 0,05). Polovina ispitanika u svakoj starosnoj grupi bila je zadovoljna dentalnim izgledom i estetikom: 60,3% ispitanika u starosnoj grupi 20-30 godina, 55,7% u starosnoj grupi 31-40 godina i 53,7% u starosnoj grupi 41-50 godina. Zadovoljstvo dentalnim izgledom i estetikom ima linearno pravilo porasta zadovoljstva sa porastom stepena obrazovanja i najveće je kod ispitanika sa završenim fakultetom (33,3%). Zaključak Žene su bile nezadovoljnije svojim dentalnim izgledom i estetikom u odnosu sa muškarce, ali razlika nije statistički značajna. Pacijenti sa visokim stepenom obrazovanja bili su zadovoljniji dentalnim izgledom i estetikom nego ispitanici sa nižim stepenom obrazovanja.",
publisher = "Srpsko lekarsko društvo, Beograd",
journal = "Srpski arhiv za celokupno lekarstvo",
title = "Self-perception and satisfaction with dental appearance and aesthetics with respect to patients' age, gender, and level of education, Subjektivno vrednovanje i odnos prema dentalnom izgledu i estetici u odnosu na godine starosti, pol i stepen obrazovanja",
volume = "144",
number = "11-12",
pages = "580-589",
doi = "10.2298/SARH1612580S"
}
Strajnić, L., Bulatović, D., Stančić, I.,& Živković, R.. (2016). Self-perception and satisfaction with dental appearance and aesthetics with respect to patients' age, gender, and level of education. in Srpski arhiv za celokupno lekarstvo
Srpsko lekarsko društvo, Beograd., 144(11-12), 580-589.
https://doi.org/10.2298/SARH1612580S
Strajnić L, Bulatović D, Stančić I, Živković R. Self-perception and satisfaction with dental appearance and aesthetics with respect to patients' age, gender, and level of education. in Srpski arhiv za celokupno lekarstvo. 2016;144(11-12):580-589.
doi:10.2298/SARH1612580S .
Strajnić, Ljiljana, Bulatović, Dijana, Stančić, Ivica, Živković, Rade, "Self-perception and satisfaction with dental appearance and aesthetics with respect to patients' age, gender, and level of education" in Srpski arhiv za celokupno lekarstvo, 144, no. 11-12 (2016):580-589,
https://doi.org/10.2298/SARH1612580S . .
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8
20

The effects of orthognathic surgery on mandibular movements in patients with mandibular prognathism

Sinobad, Vladimir; Dodić, Slobodan; Strajnić, Ljiljana; Vukadinović, Miroslav

(Srpsko lekarsko društvo, Beograd, 2012)

TY  - JOUR
AU  - Sinobad, Vladimir
AU  - Dodić, Slobodan
AU  - Strajnić, Ljiljana
AU  - Vukadinović, Miroslav
PY  - 2012
UR  - https://smile.stomf.bg.ac.rs/handle/123456789/1706
AB  - Introduction. Mandibular prognathism, one of the most severe dentofacial deformities, affects the person’s appearance, psychological health and the quality of life in the most sensitive age period. Objective. The aim of this study was to evaluate the effects of sagittal split ramus osteotomy on the range of mandibular border movements in the early postoperative period. Methods. The study was conducted on 20 patients, of mean age 20.8 years, with mandibular prognathism. All patients included in this study were operated on by bilateral sagittal spliting ramus osteotomy according to Obwegeser and Dal Pont followed by mandibular immobilization during eight weeks. In all patients mandibular border movements were recorded before and six months after surgery using the computerized pantograph Arcus-Digma (KaVo EWL GmbH, Leutkirch, Germany). Results. The analysis of the chosen kinematic parameters revealed that sagittal split ramus osteotomy followed by eight weeks of mandibular immobilization had severe effects on the mouth opening. Six months after surgery the range of maximal mouth opening decreased for approximately 13.9 mm in relation to the preoperative stage. On the contrary, the ranges of maximal protrusion and the border of laterotrusive excursions increased significantly after surgery. Conclusion. In patients with mandibular prognathism where enormous mandibular growth was the main causal factor of the deformity, the sagittal split ramus osteotomy yielded good results. The rigid fixation of bone fragments and reduced period of mandibular immobilization followed by appropriate physical therapy could considerably contribute to a more rapid recovery of mandibular kinematics in the postoperative period.
AB  - Uvod. Mandibularni prognatizam je jedan od najtežih dentofacijalnih deformiteta koji se u punoj meri manifestuje u najosetljivijim godinama života, ugrožavajući izgled osobe, njeno psihičko zdravlje i kvalitet života. Cilj rada. Cilj rada je bio da se ispita efekat sagitalne klizajuće osteotomije ramusa mandibule na dijapazone graničnih kretnji donje vilice u ranom postoperacionom periodu. Metode rada. Istraživanje je obavljeno na dvadeset osoba s mandibularnim prognatizmom prosečnog uzrasta od 20,8 godina. Svi ispitanici su operisani bilateralnom sagitalnom klizajućom osteotomijom ramusa mandibule po Obvegezeru (Obwegeser) i Dal Pontu (Dal Pont), nakon čega je primenjena intermaksilarna imobilizacija mandibule u trajanju od osam nedelja. Granične kretnje donje vilice su zabeležene kod svih ispitanika pre i šest meseci nakon hirurške korekcije pomoću kompjuterskog pantografa Arcus-Digma (KaVo EWL GmbH, Leutkirch, Germany). Rezultati. Rezultati analize odabranih kinematskih parametara pokazuju da je hirurški zahvat udružen s intermaksilarnom imobilizacijom mandibule tokom osam nedelja imao izrazito loš uticaj na dijapazon maksimalnog otvaranja usta kod operisanih ispitanika. Šest meseci nakon operacije dijapazon maksimalnog otvaranja usta je bio u proseku za 13 mm manji u odnosu na stanje pre hirurškog lečenja. S druge strane, dijapazoni maksimalne protruzije i graničnih lateralnih pokreta su se nakon operacije znatno povećali. Zaključak. Sagitalna klizajuća osteotomija ramusa mandibule daje dobre rezultate kod osoba s mandibularnim prognatizmom kod kojih je enorman rast donje vilice glavni uzročnik deformiteta. Rigidna fiksacija koštanih fragmenata i skraćen period intermaksilarne imobilizacije uz primenu odgovarajuće fizikalne terapije znatno bi doprineli bržoj rehabilitaciji pokreta mandibule u postoperacionom periodu.
PB  - Srpsko lekarsko društvo, Beograd
T2  - Srpski arhiv za celokupno lekarstvo
T1  - The effects of orthognathic surgery on mandibular movements in patients with mandibular prognathism
T1  - Efekti ortognatskog hirurškog lečenja na kretnje donje vilice osoba s mandibularnim prognatizmom
VL  - 140
IS  - 11-12
SP  - 704
EP  - 710
DO  - 10.2298/SARH1212704S
ER  - 
@article{
author = "Sinobad, Vladimir and Dodić, Slobodan and Strajnić, Ljiljana and Vukadinović, Miroslav",
year = "2012",
abstract = "Introduction. Mandibular prognathism, one of the most severe dentofacial deformities, affects the person’s appearance, psychological health and the quality of life in the most sensitive age period. Objective. The aim of this study was to evaluate the effects of sagittal split ramus osteotomy on the range of mandibular border movements in the early postoperative period. Methods. The study was conducted on 20 patients, of mean age 20.8 years, with mandibular prognathism. All patients included in this study were operated on by bilateral sagittal spliting ramus osteotomy according to Obwegeser and Dal Pont followed by mandibular immobilization during eight weeks. In all patients mandibular border movements were recorded before and six months after surgery using the computerized pantograph Arcus-Digma (KaVo EWL GmbH, Leutkirch, Germany). Results. The analysis of the chosen kinematic parameters revealed that sagittal split ramus osteotomy followed by eight weeks of mandibular immobilization had severe effects on the mouth opening. Six months after surgery the range of maximal mouth opening decreased for approximately 13.9 mm in relation to the preoperative stage. On the contrary, the ranges of maximal protrusion and the border of laterotrusive excursions increased significantly after surgery. Conclusion. In patients with mandibular prognathism where enormous mandibular growth was the main causal factor of the deformity, the sagittal split ramus osteotomy yielded good results. The rigid fixation of bone fragments and reduced period of mandibular immobilization followed by appropriate physical therapy could considerably contribute to a more rapid recovery of mandibular kinematics in the postoperative period., Uvod. Mandibularni prognatizam je jedan od najtežih dentofacijalnih deformiteta koji se u punoj meri manifestuje u najosetljivijim godinama života, ugrožavajući izgled osobe, njeno psihičko zdravlje i kvalitet života. Cilj rada. Cilj rada je bio da se ispita efekat sagitalne klizajuće osteotomije ramusa mandibule na dijapazone graničnih kretnji donje vilice u ranom postoperacionom periodu. Metode rada. Istraživanje je obavljeno na dvadeset osoba s mandibularnim prognatizmom prosečnog uzrasta od 20,8 godina. Svi ispitanici su operisani bilateralnom sagitalnom klizajućom osteotomijom ramusa mandibule po Obvegezeru (Obwegeser) i Dal Pontu (Dal Pont), nakon čega je primenjena intermaksilarna imobilizacija mandibule u trajanju od osam nedelja. Granične kretnje donje vilice su zabeležene kod svih ispitanika pre i šest meseci nakon hirurške korekcije pomoću kompjuterskog pantografa Arcus-Digma (KaVo EWL GmbH, Leutkirch, Germany). Rezultati. Rezultati analize odabranih kinematskih parametara pokazuju da je hirurški zahvat udružen s intermaksilarnom imobilizacijom mandibule tokom osam nedelja imao izrazito loš uticaj na dijapazon maksimalnog otvaranja usta kod operisanih ispitanika. Šest meseci nakon operacije dijapazon maksimalnog otvaranja usta je bio u proseku za 13 mm manji u odnosu na stanje pre hirurškog lečenja. S druge strane, dijapazoni maksimalne protruzije i graničnih lateralnih pokreta su se nakon operacije znatno povećali. Zaključak. Sagitalna klizajuća osteotomija ramusa mandibule daje dobre rezultate kod osoba s mandibularnim prognatizmom kod kojih je enorman rast donje vilice glavni uzročnik deformiteta. Rigidna fiksacija koštanih fragmenata i skraćen period intermaksilarne imobilizacije uz primenu odgovarajuće fizikalne terapije znatno bi doprineli bržoj rehabilitaciji pokreta mandibule u postoperacionom periodu.",
publisher = "Srpsko lekarsko društvo, Beograd",
journal = "Srpski arhiv za celokupno lekarstvo",
title = "The effects of orthognathic surgery on mandibular movements in patients with mandibular prognathism, Efekti ortognatskog hirurškog lečenja na kretnje donje vilice osoba s mandibularnim prognatizmom",
volume = "140",
number = "11-12",
pages = "704-710",
doi = "10.2298/SARH1212704S"
}
Sinobad, V., Dodić, S., Strajnić, L.,& Vukadinović, M.. (2012). The effects of orthognathic surgery on mandibular movements in patients with mandibular prognathism. in Srpski arhiv za celokupno lekarstvo
Srpsko lekarsko društvo, Beograd., 140(11-12), 704-710.
https://doi.org/10.2298/SARH1212704S
Sinobad V, Dodić S, Strajnić L, Vukadinović M. The effects of orthognathic surgery on mandibular movements in patients with mandibular prognathism. in Srpski arhiv za celokupno lekarstvo. 2012;140(11-12):704-710.
doi:10.2298/SARH1212704S .
Sinobad, Vladimir, Dodić, Slobodan, Strajnić, Ljiljana, Vukadinović, Miroslav, "The effects of orthognathic surgery on mandibular movements in patients with mandibular prognathism" in Srpski arhiv za celokupno lekarstvo, 140, no. 11-12 (2012):704-710,
https://doi.org/10.2298/SARH1212704S . .
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1
1

Rendgenkraniometrijska evaluacija vertikalne dimenzije okluzije u terapiji bezubih pacijenata : longitudinalna studija

Strajnić, Ljiljana

(Univerzitet u Beogradu, Stomatološki fakultet, 2006)

TY  - THES
AU  - Strajnić, Ljiljana
PY  - 2006
UR  - https://plus.sr.cobiss.net/opac7/bib/31430415
UR  - https://smile.stomf.bg.ac.rs/handle/123456789/433
PB  - Univerzitet u Beogradu, Stomatološki fakultet
T1  - Rendgenkraniometrijska evaluacija vertikalne dimenzije okluzije u terapiji bezubih pacijenata : longitudinalna studija
UR  - https://hdl.handle.net/21.15107/rcub_smile_433
ER  - 
@phdthesis{
author = "Strajnić, Ljiljana",
year = "2006",
publisher = "Univerzitet u Beogradu, Stomatološki fakultet",
title = "Rendgenkraniometrijska evaluacija vertikalne dimenzije okluzije u terapiji bezubih pacijenata : longitudinalna studija",
url = "https://hdl.handle.net/21.15107/rcub_smile_433"
}
Strajnić, L.. (2006). Rendgenkraniometrijska evaluacija vertikalne dimenzije okluzije u terapiji bezubih pacijenata : longitudinalna studija. 
Univerzitet u Beogradu, Stomatološki fakultet..
https://hdl.handle.net/21.15107/rcub_smile_433
Strajnić L. Rendgenkraniometrijska evaluacija vertikalne dimenzije okluzije u terapiji bezubih pacijenata : longitudinalna studija. 2006;.
https://hdl.handle.net/21.15107/rcub_smile_433 .
Strajnić, Ljiljana, "Rendgenkraniometrijska evaluacija vertikalne dimenzije okluzije u terapiji bezubih pacijenata : longitudinalna studija" (2006),
https://hdl.handle.net/21.15107/rcub_smile_433 .