Association between Ectopic Eruption of the Maxillary First Permanent Molar and Skeletal Malocclusion
2
조회
0
다운로드
0
인용
0
참고문헌
키워드
초록
This study assessed the association between ectopic eruption of the maxillary first permanent molar and skeletal malocclusion in 5- to 10-year-old children. As subjects, 786 children who attended the Wonkwang University Dental Hospital for orthodontic diagnosis were included. Children with unerupted first permanent molars or fully erupted second permanent molars were excluded. The study group demonstrated ectopic eruption of the maxillary first permanent molar, while the control group did not. Cephalometric radiographs taken between January 2003 and August 2015 were analyzed. Skeletal class III malocclusion was detected in 57.0% of the study group, which differed significantly from that in the control group (p ＜0.05). The SNA, ANB angles, and A to N-perpendicular distance were significantly smaller, whereas the A-B plane angle and APDI were significantly greater in the study group than in the control group (p ＜0.05). The SNB and mandibular plane angles were not significantly different between the groups. Thus, maxillary undergrowth is a risk factor for ectopic eruption of the maxillary first permanent molar.
Abstract
This study assessed the association between ectopic eruption of the maxillary first permanent molar and skeletal malocclusion in 5- to 10-year-old children. As subjects, 786 children who attended the Wonkwang University Dental Hospital for orthodontic diagnosis were included. Children with unerupted first permanent molars or fully erupted second permanent molars were excluded. The study group demonstrated ectopic eruption of the maxillary first permanent molar, while the control group did not. Cephalometric radiographs taken between January 2003 and August 2015 were analyzed. Skeletal class III malocclusion was detected in 57.0% of the study group, which differed significantly from that in the control group (p ＜0.05). The SNA, ANB angles, and A to N-perpendicular distance were significantly smaller, whereas the A-B plane angle and APDI were significantly greater in the study group than in the control group (p ＜0.05). The SNB and mandibular plane angles were not significantly different between the groups. Thus, maxillary undergrowth is a risk factor for ectopic eruption of the maxillary first permanent molar.
참고문헌 (22)
- Bjerklin K, "Ectopic eruption of the maxillary first permanent molar: etiologic factors", Am J Orthod, 8, pp.147~155 (1983)
- Young DH, "Ectopic eruption of permanent first molar", J Dent Child, 24, pp.153~162 (1957)
- Harrison LM, "Treatment of ectopically erupting permanent molars", Dent Clin North Am, 28, pp.57~67 (1984)
- O’Meara WF, "Ectopic eruption pattern in selected permanent teeth", J Dent Res, 41, pp.607~616 (1962)
- Campbell OA, "Ectopic eruption of the first permanent molar", J N J Dent Assoc, 62, pp.62~65 (1991)
- Pulver F, "The etiology and prevalence of ectopic of the maxillary first permanent molar", ASDC J Dent Child, 35, pp.138~146 (1968)
- Canut JA, "Morphological analysis of cases with ectopic eruption of the maxillary first permanent molar", Eur J Orthod, 5, pp.249~253 (1983)
- Lee HJ, "A roentgenocephalometric study on the children of normal occlusion in the mixed dentition", Korean J Orthod, 5, pp.11~19 (1975)
- Yang KH, "A cephalometric study of Korean children by Ricketts’ analysis", J Korean Acad Pediatr Dent, 25, pp.430~440 (1998)
- 서문선, "정상교합을 가진 유치열기 아동의 두부방사선 계측학적 연구", 대한소아치과학회지, 32(1), pp.109~118 (2005), 대한소아치과학회
- Barberia-Leache E, "Ectopic eruption of the maxillary first permanent molar:characteristics and occurrence in growing children", Angle Orthod, 75, pp.610~615 (2005)
- Salbach A, "Correlation between the frequency of eruption disorders for first permanent molars and the occurrence of malocclusions in early mixed dentition", J Orofac Orthop, 73, pp.298~306 (2012)
- Chintakanon K, "Ectopic eruption of the first permanent molars: prevalence and etiologic factors", Angle Orthod, 68, pp.153~160 (1990)
- Kurol J, "Ectopic eruption of maxillary first permanent molar: a review", ASDC J Dent Child, 53, pp.209~214 (1986)
- Carr GE, "Ectopic eruption of maxillary first permanent molar in cleft palate children", J Dent Child, 32, pp.179~188 (1965)
- Bjerklin K, "Ectopic eruption of the maxillary first permanent molars in children with cleft lip and", or palate, 1993, pp.15, 535~540
- Jacobson A, "Mandibular prognathism", Am J Orthod, 66, pp.140~171 (1974)
- 류현정, "하악 과성장형 골격성 Ⅲ급 부정교합 아동의 치아성숙도에 관한 연구", 대한소아치과학회지, 40(1), pp.21~27 (2013), 대한소아치과학회
- Freeman RS, "Adjusting A-N-B angle to reflect the effect of maxillary position", Angle Orthod, 51, pp.162~171 (1981)
- Park TS, "A longitudinal cephalometric study of craniofacial growth of Korean children", Korean J Orthod, 14, pp.217~231 (1984)
- Kim CC, "Cephalometric analysis of Korean children of mixed dentition", J Korean Acad Pediatr Dent, 20, pp.601~614 (1993)
- Manuela Mucedero, "Dentoskeletal features in individuals with ectopic eruption of the permanent maxillary first molar", 대한치과교정학회지, 45(4), pp.190~197 (2015), 대한치과교정학회