Cephalometric assessment of maxillary length in Serbian children with skeletal class III

Stojanović, Zdenka; Nikolic, Predrag; Nikodijevic, Angelina; Milic, Jasmina; Stojanović, Branislav

doi:10.2298/vsp110224042s

Cited by 7 publications

(5 citation statements)

References 20 publications

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“…24 With regard to norms to identify relative maxillary hypoplasia, previous authors reported a normal maxillary complex to anterior cranial base ratio of 65 6 3%. 18 However, that sample consisted of Caucasian children and may not be comparable to the present results as the anterior cranial base is shorter in Asians compared to Caucasians. 27 Furthermore, other authors reported no differences in the maxillary complex to anterior cranial base ratio between Class III subjects (127.8 6 4.1%) and controls (130.5 6 4.5%).…”

Section: Maxillary Anteroposterior Lengthcontrasting

confidence: 78%

“…Ten skulls not included in the final study were included in a pilot study, showing a standard deviation (SD) of 5.7 mm for ans-pns and 6% for ans-pns/SN, which were the primary parameters for each criterion, respectively. Setting a clinically significant difference of 5.0 mm 11,[17][18][19][20] and 5% 15,18 between the two groups, respectively, a significance level a ¼ 0.05, and a power b ¼ 90%, the required sample size was 30 skulls for each group.…”

Section: Sample Size Calculationmentioning

confidence: 99%

“…Anteroposterior maxillary complex hypoplasia is particularly relevant in patients with skeletal Class III, 12 Down syndrome, 8 and obstructive sleep apnea, 20 and cephalometry is used for both skeletal diagnosis and upper airway assessment. 23 However, the criteria to identify this condition are not well defined, and both the maxillary complex length 8,14,20 and its ratio relative to the anterior cranial base 15,18 have been used. In fact, absolute measurements showed that subjects with a shorter anterior cranial base had a shorter maxillary complex (Figure 3), and the length of the maxillary complex was correlated to the length of each bone of which it was constituted, suggesting limitations of absolute parameters for the identification of disproportions (Table 2).…”

Section: Maxillary Anteroposterior Lengthmentioning

confidence: 99%

“…Furthermore, even if such a norm were identified, its diagnostic value and range of normality would be widely debatable due to age, sex, and race variations. 28 Still, given the variety of methods proposed in the literature, 11,14,15,[17][18][19][20] a critical analysis of the criteria to assess the maxillary complex anatomy is a requisite for achieving consistent diagnosis of its deformities.…”

Section: Maxillary Anteroposterior Lengthmentioning

confidence: 99%

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Anteroposterior length of the maxillary complex and its relationship with the anterior cranial base:

Savoldi¹,

Massetti²,

Tsoi³

et al. 2020

The Angle Orthodontist

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Objectives To use both absolute anteroposterior maxillary complex length (APMCL) and relative APMCL to investigate the relationship between the maxillary complex, its individual bony segments, and their association to the anterior cranial base. In addition, the relationship between length and position of the maxillary complex was analyzed. Materials and Methods Sixty human skulls were analyzed using cone beam computed tomography. The maxillary complex length was measured between anterior and posterior nasal spine (ans-pns), and the average was used as the cut-off to identify a high- and a low-length group based on absolute APMCL. The length ratio between the maxillary complex and the anterior cranial base (ans-pns/SN) was used to identify the two groups based on relative APMCL. The anterior cranial base length and the lengths of the maxillary complex bones were compared between the high- and low-length groups. Results Based on absolute APMCL, individuals with shorter maxillary complex had shorter anterior cranial base (P = .003), representing normal proportions. Based on relative APMCL, individuals with shorter maxillary complex had longer anterior cranial base and vice versa (P = .014), indicating disproportions. Individuals with shorter maxillary complex exhibited shorter maxilla (Δ = −1.5 mm, P = .014). Conclusions When skeletal deformity of the midface is suspected, individual disproportions in the anteroposterior length of the maxillary complex in relation to the anterior cranial base (relative measurements) should be assessed through radiological imaging. A shorter maxillary complex may be associated with a shorter maxilla, and not with a shorter premaxilla or palatine bone.

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Section: Maxillary Anteroposterior Lengthcontrasting

confidence: 78%

Section: Sample Size Calculationmentioning

confidence: 99%

Section: Maxillary Anteroposterior Lengthmentioning

confidence: 99%

Section: Maxillary Anteroposterior Lengthmentioning

confidence: 99%

See 2 more Smart Citations

Anteroposterior length of the maxillary complex and its relationship with the anterior cranial base:

Savoldi¹,

Massetti²,

Tsoi³

et al. 2020

The Angle Orthodontist

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“…Apsolutne vrednosti antropometrijskih vrednosti dečaka su komparirani sa rezultatima devojčica iste starosne grupe [6,7]. Indeks kraniofacijalne varijabilnosti (CVI) kreiran je za grupu ispitanika serijom antropometrijskog merenja lica i lobanje za svaku uzrasnu grupu za oba pola, kako je i prikazano tabelama.Ovaj indeks je mera varijacije koja iskazuje odstupanje od pojedinačne vrednosti obeležja od srednje vrednostiu broju standardnih devijacija [6,7,8,9,10]. …”

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The craniofacial morphology of school children in Kosovska Mitrovica

Simic¹,

Pavlovic²,

Vukicevic³

et al. 2014

Praxis Med

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Simić S., Pavlović J., Vukićević V., Vujačić A. Medicinski fakultet Priština, Odsek za stomatologiju, Univerzitet u Prištini, Srbija Postoje brojni faktori koji mogu da utiču na kraniofacijalnu morfologiju, prvenstveno genetski faktori i faktori spoljne sredine. Cilj ove studije je da se na onovu podataka dobijenih pregledom školske dece dobije približniji opis kraniofacijalne morfologije na ovoj teritoriji. Istraživanjem je bilo obuhvaćeno 330 dece starosti od 8 do 11 godina. Za ovu studiju koristili smo standardne antropometrijske metode za merenje širine i visine lica, širine i dužine lobanje i izračunavanje indeksa lobanje i lica. Dobijeni rezultati su statistički obrađeni a Z skorom izračunat indeks kraniofacijalne varijabilnosti (CVI). On na numerički način opisuje varijabilnost kraniofacijalne morfologije i postojanje sluča-jeva izvan opsega ovog indeksa. Prema prosečnim vrednostima indeksa lica dečaci i devojčice u gotovo svim ispitivanim godištima pripadaju kategoriji mezoprozopa (47.4%). Analize indeksa lobanje kod dečaka i devojčica govori da su najcesce zastupljeni brahiokefali (52.2%), zatim mezokefali (43.5%) i dolihokefali (4.3%).Kjlućne reči: indeks lobanje, indeks lica, indeks kraniofacijane varijabilnosti UVODKlinički ortodontski pregled se radi u cilju procene okluzalne, funkcionalne i estetske osobine, kao i da se odredi koja dijagnostička sredstva treba koristiti. Kliničko ispitivanje može se podeliti na: procenu fizičke zrelosti deteta, ispitivanje lobanje i lica i ispitivanje oralnih struktura.Postoji odredjena povezanost izmedju oblika lobanje, tipa lica i malokluzija [1,3]. Kod osoba ili populacije koja ima uske lobanje, kranijalna baza je zaravnjena, odnosno ugao izmedju prednjeg i srednjeg poda kranijuma je otvoreniji i ona je horizontalno duža. Ovakve morfološke karakteristike stvaraju odredjeni tip lica. Prvo, ceo nazolakrimalni kompleks je postavljen unapred u odnosu na mandibulu. Drugo, ovaj kompleks je spušten u odnosu na mandibularni zglob, što prouzrokuje rotaciju cele mandibule nadole i unazad. Treće, okluzalna ravan je nadole inklinirana. Položaj isturene maksile i unazad postavljenog mandibularnog korpusa dovodi do tendencije ka mandibularnom retrognatizmu i distalnom odnosu molara. Profil postaje retrognat, a glava i vrat su anteriorno inklinirani.Kod osoba (ili etničkih grupa) koje imaju široku lobanju, ugao kranijalne baze je zatvoreniji , što smenjuje horizontalnu dimenziju srednje kranijalne baze. To dovodi do toga da je nazomaksilarni kompleks relativno uvučen, a mandibula u celini unapred postavljena. U ovakvim slučajevima postoji tendencija ka prognatom profilu i ove osobe drže glavu uspravno i istureno [2,3,4].Oblik lobanje i lica može se proceniti pomoću kraniofacijalnih indeksa. Oni se dobijaju merenjem maksimalne širine i dužine lobanje, odnosno visine i širine lica, pomoću kefalometra -antropološkog šestara.Razlike izmedju tipova lica se moraju uzeti u obzir kad se utvrdjuju proporcije lica, a varijacije prosečnih mera mogu biti kompatibilne sa estetskim izgledom...

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Premaxillary–maxillary suture development in the first trimester

et al. 2019

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Cephalometric assessment of maxillary length in Serbian children with skeletal class III

Abstract: The children with skeletal class III have significantly shorter maxilla than those with skeletal class I.

Cited by 7 publications

References 20 publications

Anteroposterior length of the maxillary complex and its relationship with the anterior cranial base:

Anteroposterior length of the maxillary complex and its relationship with the anterior cranial base:

The craniofacial morphology of school children in Kosovska Mitrovica

Premaxillary–maxillary suture development in the first trimester

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