Assessment of occlusal  characteristics of the primary  dentition: a cross-sectional study in  Brazilian preschool children

Bervian, Juliane; Feldens, Carlos Alberto; Kramer, Paulo Floriani; Pavinato, Larissa Corrêa Brusco

doi:10.5335/rfo.v21i2.6172

Cited by 2 publications

(3 citation statements)

References 23 publications

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“…Our results presented no sex differences in either the sagittal relationships of second primary molars and primary canines, or overjet, overbite, crossbite and spacing in accordance with previous studies [ 15 – 17 ]. The present study showed that the majority of the children in the sample (44.8%) had a bilateral ‘flush terminal plane’ molar relationship, an observation consistent with that reported in several other populations [ 1 , 18 , 19 ]. However, much higher percentages have also been reported [ 5 ].…”

Section: Discussionsupporting

confidence: 92%

“…52% of children in our study, had a bilateral Class I canine relationship while almost 20% presented asymmetry, in accordance with the studies of Bervian at al [ 1 ] and Abu Alhaija and Qudeimat [ 16 ], in Brazilian and Jordanian schoolchildren respectively. Nevertheless, most previous studies reported higher prevalence of Class I canine relationship at least over 75% [ 4 , 18 , 19 , 24 ].…”

Section: Discussionsupporting

confidence: 91%

“…During the last decades, there has been a growing interest in the occlusion of primary dentition and an increased awareness of its role in the determination of permanent tooth alignment and occlusion. The key occlusal characteristics in primary dentition are space discrepancies, overbite, overjet, transverse (posterior crossbite) and sagittal (molar and canine relationship) deviations in the posterior region [ 1 ]. The presence of diastemas in the anterior region, a normal bite and overjet, a straight or mesial step molar relationship and a class I canine relatiοnship are predictors of favorable development of the permanent occlusion [ 2 , 3 ].…”

Section: Introductionmentioning

confidence: 99%

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Occlusal features of 5-year-old Greek children: a cross-sectional national study

et al. 2022

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Background Occlusal characteristics of the primary dentition are crucial in predicting and determining permanent tooth alignment and occlusion. The aim of our study was to determine the occlusal characteristics of the primary dentition of 5-year-old children in Greece through a national pathfinder survey. Methods A stratified cluster sample of 1222 5-year-old children was selected according to the WHO guidelines for national pathfinder surveys. Five occlusal traits were registered clinically in centric occlusion, separately for the left and right sides: sagittal relationships of the second primary molars and primary canines, overjet, overbite, crossbite, and maxillary and mandibular spacing. Results Most children showed a flush terminal plane of primary second molars (44.8%), a class I primary canine relationship (52.2%) and normal overjet (46.4%), but a high prevalence of Class II canine relationship (25.6%) and overjet (37.8%) were also observed. A normal overbite was found in 40% of the children and 40% had a deep overbite. Spacing was apparent in both maxilla (71.1% of children) and mandible (56.4%). The prevalence of open bite and distal step molar relationship significantly rose in children with non-nutritive sucking habits. Conclusions Νon-nutritive habits were associated to altered occlusal features. No sex significant differences were found in either the sagittal relationships of second primary molars and primary canines, or overjet, overbite, crossbite and spacing.

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Section: Discussionsupporting

confidence: 92%

Section: Discussionsupporting

confidence: 91%

Section: Introductionmentioning

confidence: 99%

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Occlusal features of 5-year-old Greek children: a cross-sectional national study

et al. 2022

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Analysis of Primary Molar Relationship using Digital Photograph

Soyoung¹,

Kang²,

Hwang³

et al. 2020

THE JOURNAL OF THE KOREAN ACADEMY OF PEDTATRIC DENTISTRY

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2 Yonsei Well Dental ClinicThe aim of this study was to assess the occlusal relationships of primary dentition of Korean preschool children in Hwaseong city.Total 444 children of age group between 2 and 5 years were selected. One pediatric dentist took intraoral photos of children. Evaluation and categorization of the primary molar relationships were done by single examiner. Statistical analysis was performed with Pearson chi-squared test.Total 389 samples, which is consisted of 185 boys, 204 girls were satisfied with inclusion criteria. Bilateral mesial step was seen in 61.7%. Bilateral flush terminal plane was seen in 15.4%. When the primary molar relations of the right and left sides were not the same, the combination of the mesial step and flush terminal plane was 14.7%.The present study provides insight into occlusal relationships in the primary dentition of 2 -5 years old of Korean children in Hwaseong city. Pediatric dentists should understand occlusal relationships of primary dentition for establishment of appropriate treatment strategies and occlusal guidance. Abstract 36 Corresponding author : Seong-Oh Kim Ⅰ. 서 론 유치열기의 교합적 특성에는 유견치 교합관계 및 제2유구치 말단관계를 포함하는 전후방적 교합관계, 수직피개와 관련된 수 직적 교합관계, 수평피개와 관련된 측방 교합관계, 발육공간과 영장류공간을 포함하는 생리적 치간 공극이 포함된다[1]. 정상교합은 정상적인 형태발생학적, 기능적 패턴과 적절한 두 개안면 성장과 발달을 통해 형성되며, 올바르게 배열된 치열은 어린이의 구강과 구강악안면계의 건강 뿐 아니라 개인의 인격 형성에도 영향을 준다[2]. 만약 유치열기에 교합 문제가 발견되면 영구치열기에서도 유 사한 교합 문제가 발생할 것으로 예상할 수 있다. 또한 유치열기 의 교합적 특성과 영구치열기로의 변화양상의 상관성에 대한 정 확한 이해는 영구치열기 교합관계를 예측할 수 있게 한다[3]. 영 구치열기 교합관계에 여러 다양한 요인이 영향을 미치지만, 특 히 제2유구치의 말단 관계가 향후 영구치열기 교합관계로 이행 하는데 핵심요소이다[4]. 국외에서는 유치열의 구치부 관계의 분포 양상에 대한 보고가 많이 이루어져왔다. 가장 호발한다고 알려진 유구치 교합관계는 수직형이다. 수직형 교합관계는 1996년 사우디에서 80.0%[5], 1997년 나이지리아에서 74.5%[6], 2003년 요르단에서 37.0%[7], 2012년 인도의 망갈로 및 첸나이, 하이데라바드 지역에서 각각 J Korean Acad Pediatr Dent 47(1) 2020 37 67.9%[8], 72.3%, 72.7%[9], 2015년 미국에서 66%[10], 2016년 브라질에서는 40.2%[11]로 보고되었다. 요르단과 브라질을 제외 한 모든 나라에서 일반적으로 알려진 바와 같이 수직형 교합관 계가 가장 빈번하게 보고되었다. 국내에서는 이와 관련된 연구가 상대적으로 적게 보고되었다. 한국 어린이에서 수직형 교합관계는 1978년 Shon[12]이 서울 지역의 어린이를 대상으로 하여 44.3%, 1996년 Kim 등[13]이 광 주지역 어린이를 대상으로 47.5%, Yang과 Choi[14]가 전남지역 어린이를 대상으로 56.0%, 2008년 Jung 등[15]이 전남해안지역 어린이를 대상으로 조사하였을 때 59.4%로 보고하였다. 최근 한국 어린이를 대상으로 한 유치열의 구치부 관계에 대 한 연구가 희소할 뿐 만 아니라 교합양상이 서로 다른 인종 간 차이가 있다는 점을 토대로 하여, 최근 한국 어린이의 유치열 교 합양상에 대해 알아보는 것이 이번 연구의 목적이다.

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Assessment of occlusal characteristics of the primary dentition: a cross-sectional study in Brazilian preschool children

Cited by 2 publications

References 23 publications

Occlusal features of 5-year-old Greek children: a cross-sectional national study

Occlusal features of 5-year-old Greek children: a cross-sectional national study

Analysis of Primary Molar Relationship using Digital Photograph

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