Concomitant occurrence of canine malposition and tooth agenesis: Evidence of orofacial genetic fields

Peck, Sheldon; Peck, Leena; Kataja, Matti

doi:10.1067/mod.2002.129915

Cited by 164 publications

(148 citation statements)

References 23 publications

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“…These findings concur with the work of Becker, 7 Jacoby, 20 Becker, 8 Brin et al, 11 Becker, 3 Peck, 28 Becker, 5 Langberg, 22 Becker, 6 Sacerdoti and Baccetti, 33 Paschos et al, 27 Oliver et al, 26 Mossey et al 24 The reason brought up in the literature about this association is that the excessive space in the maxilla could be a contributory fac- tor in the palatal displacement, for it enables sufficient space for the canine to move and deviate from its direction for labial eruption. Also, the absence of guidance from the lateral incisor, allows a new course to a way further down and to the palatal side.…”

Section: Discussionsupporting

confidence: 82%

Relation between agenesis and shape anomaly of maxillary lateral incisors and canine impaction

Carvalho

Motta

Carvalho

2012

Dental Press J. Orthod.

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Objective:The purpose was to obtain information about the relation between agenesis and shape anomaly of maxillary lateral incisors and canine impaction. Methods: Seventy-three patients with canine impaction and 73 control patients, without canine impaction, were evaluated. The mesiodistal distances of the maxillary lateral incisors adjacent to the impacted canines and the correspondent mandibular lateral incisors were measured. The adjacent lateral incisors were classified in: 1 -absent, 2 -small, 3 -peg-shaped, 4 -standard. Results: The results showed that among the patients with impacted canines, there were 21 anomalous teeth (small and pegshaped) and among the control patients there were only three small and peg-shaped teeth, with a statistically significant difference (p = 0.001). No patients were found with impacted canines and absent lateral incisors. Conclusion: It was concluded that in patients with anomalous lateral incisors (small and peg-shaped) there is a probability to present impacted canines and this must be considered. Keywords:Incisors. Canine. Agenesis. Objetivo: o objetivo foi obter informação sobre a relação existente entre a agenesia e/ou anomalia de forma de incisivos laterais superiores e impacção de caninos. Métodos: foram avaliados 73 pacientes com impacção de caninos e 73 pacientes controle, sem impacção de caninos. Foram medidas as distâncias mesiodistais dos incisivos laterais superiores adjacentes aos caninos impactados e os incisivos laterais correspondentes inferiores. Os incisivos laterais adjacentes foram classificados em: 1 -ausentes; 2 -pequenos; 3 -conoides; 4 -normais. Resultados: os resultados mostraram que no grupo de pacientes com caninos impactados foram encontrados 22 dentes anômalos (pequenos e conoides), e no grupo controle apenas três dentes pequenos e conoides, sendo uma diferença estatisticamente significativa (p=0,001). Não foram encontrados pacientes com canino impactado e incisivo lateral ausente. Conclusão: concluiu-se que nos pacientes com incisivos laterais anômalos (pequenos e conoides), a probabilidade de apresentarem caninos impactados existe e deve ser considerada.. Palavras-chave:Incisivo. Dente canino. Anodontia.

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Section: Discussionsupporting

confidence: 82%

Relation between agenesis and shape anomaly of maxillary lateral incisors and canine impaction

Carvalho

Motta

Carvalho

2012

Dental Press J. Orthod.

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“…Yamaoka et al [18] found the relation between the root angulation and impaction: angulated roots were more common in impacted mandibular third molars as compared to erupted mandibular third molars. Some authors indicates other important third molar impaction causes: malposition of the tooth germ, hereditary factors [19], lack of sufficient eruption force for third molars, and the theory of phylogenetic regression of the jaw size - insufficient mesial movement of the dentition of modern human due to lack of interproximal attrition [20,21]. …”

Section: Resultsmentioning

confidence: 99%

Mandibular Third Molar Impaction: Review of Literature and a Proposal of a Classification

Juodžbalys

Daugėla

2013

JOMR

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ObjectivesThe purpose of present article was to review impacted mandibular third molar aetiology, clinical anatomy, radiologic examination, surgical treatment and possible complications, as well as to create new mandibular third molar impaction and extraction difficulty degree classification based on anatomical and radiologic findings and literature review results.Material and MethodsLiterature was selected through a search of PubMed, Embase and Cochrane electronic databases. The keywords used for search were mandibular third molar, impacted mandibular third molar, inferior alveolar nerve injury third molar, lingual nerve injury third molar. The search was restricted to English language articles, published from 1976 to April 2013. Additionally, a manual search in the major anatomy and oral surgery journals and books was performed. The publications there selected by including clinical and human anatomy studies.ResultsIn total 75 literature sources were obtained and reviewed. Impacted mandibular third molar aetiology, clinical anatomy, radiographic examination, surgical extraction of and possible complications, classifications and risk factors were discussed. New mandibular third molar impaction and extraction difficulty degree classification based on anatomical and radiologic findings and literature review results was proposed.ConclusionsThe classification proposed here based on anatomical and radiological impacted mandibular third molar features is promising to be a helpful tool for impacted tooth assessment as well as for planning for surgical operation. Further clinical studies should be conducted for new classification validation and reliability evaluation.

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“…So, the ability to diagnose canine displacement in the early mixed dentition (average age of 8 y) and to prevent impaction of the canine would be extremely useful for the clinician. The best time to begin assessing potential impaction is during the early mixed dentition period, because the early diagnosis of one dental anomaly may indicate an increased risk for later appearance of others [2,15].…”

Section: Interception Of Canine Impactionmentioning

confidence: 99%

“…Becker et al, [11] reported an increase of 2.4 times in the incidence of palatally impacted canines adjacent to the sites of missing lateral incisors as compared with the general population. Two main theories have been proposed to explain the occurrence of palatally displaced maxillary canines: the "guidance theory" [10,12,13] and the "genetic theory" [14,15].…”

Section: Aetiologymentioning

confidence: 99%

Localization of Impacted Canines

Kumar

Mehrotra

Bhagchandani

et al. 2015

JCDR

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Concomitant occurrence of canine malposition and tooth agenesis: Evidence of orofacial genetic fields

Cited by 164 publications

References 23 publications

Relation between agenesis and shape anomaly of maxillary lateral incisors and canine impaction

Relation between agenesis and shape anomaly of maxillary lateral incisors and canine impaction

Mandibular Third Molar Impaction: Review of Literature and a Proposal of a Classification

Localization of Impacted Canines

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