Unusual orthodontic approach to a maxillary canine-premolar transposition and a missing lateral incisor with long-term follow-up

Farret, Milton Meri Benitez; Farret, Marcel Marchiori; Farret, Alessandro Marchiori; Hollweg, Henrique

doi:10.1016/j.ajodo.2011.03.027

Cited by 10 publications

(7 citation statements)

References 11 publications

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“…[20][21][22][23] However, there are few reports that show long-term retention of over 10 years after orthodontic treatment, which would be useful for clinicians when considering treatment options for transposed teeth. 24,25 This report demonstrates the successful treatment of a Class I patient with moderate crowding in the lower arch, transposition of an upper right canine-first premolar, and peg-shaped upper lateral incisors who was treated by extracting a lower incisor and keeping the transposed positions. Treatment results were well maintained up to the 2-year retention period with the use of retainers.…”

Section: Introductionmentioning

confidence: 91%

A 15-year follow up of an orthodontic treatment including a lower incisor extraction and keeping the maxillary canine–premolar transposition

Hwang

Kim

Jang

et al. 2019

The Angle Orthodontist

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Lower incisor extraction is an effective option for treating lower anterior crowding in patients with a good facial profile, Class I molar occlusion, and narrow upper incisors. This report describes the successful treatment of an adolescent patient with lower anterior crowding and a transposed maxillary canine and premolar treated by extracting a lower incisor and keeping the transposed positions of the teeth. With the use of retainers, treatment results were stable up to the 2-year postretention visit. However, upon a 15-year postretention appointment, the fixed retainer had been removed and the removable retainer was no longer in use, which resulted in relapse of lower anterior alignment. Moreover, the transposed canine had extruded during this period, causing occlusal interference and gingival recession, as well as loss of tooth vitality, which indicates the importance of maintaining orthodontic retainers for long-term stable occlusion.

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Section: Introductionmentioning

confidence: 91%

A 15-year follow up of an orthodontic treatment including a lower incisor extraction and keeping the maxillary canine–premolar transposition

Hwang

Kim

Jang

et al. 2019

The Angle Orthodontist

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“…2,7 In the region of the cleft, it is common to observe problems of occlusal relationship such as posterior or anterior crossbite due to contraction of the upper arch, absence of permanent lateral incisor, rotations, changes of crown shape and, in some situations, the dental transpositions. 1,3,[8][9][10][11][12] The dental transposition is considered a subdivision of the ectopic eruption, and is an order or position disturb with prevalence of 0.4% in the population. However, its prevalence in patients with cleft lip and palate is considerably higher, around 14%.…”

Section: Introductionmentioning

confidence: 99%

“…11, [13][14][15] It is characterized by the change of position of two adjacent teeth in the dental arch, in the same quadrant, and its etiology is still not fully understood: recent evidence points to multifactorial hereditary genetic influence due to the bilateral occurrence of the problem. 7,8,11,14,16 The transposition treatment is based primarily on the decision to accept or correct the transposition and based on that, depends on several factors such as occlusal relationship in the maxillary and mandibular arches, alveolar bone thickness, individual tooth positioning, age of the patient, inherent risks such as resorptions, gingival recession and fenestration, aesthetic characteristics of the smile, among others. 7,8,16,17 Furthermore, another important decision in cases of cleft lip and palate associated to lateral incisor absence is to keep the space for rehabilitation or close the space through the mesial movement of posterior teeth along the bone graft.…”

Section: Introductionmentioning

confidence: 99%

“…7,8,11,14,16 The transposition treatment is based primarily on the decision to accept or correct the transposition and based on that, depends on several factors such as occlusal relationship in the maxillary and mandibular arches, alveolar bone thickness, individual tooth positioning, age of the patient, inherent risks such as resorptions, gingival recession and fenestration, aesthetic characteristics of the smile, among others. 7,8,16,17 Furthermore, another important decision in cases of cleft lip and palate associated to lateral incisor absence is to keep the space for rehabilitation or close the space through the mesial movement of posterior teeth along the bone graft. This decision must be based on many factors as the age of the patient, occlusal relationship, bone condition, smile esthetics and mainly the long-term functional and esthetic result.…”

Section: Introductionmentioning

confidence: 99%

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Orthodontic treatment of unilateral cleft lip and palate associated with maxillary canine/premolar transposition: case report

Souza¹,

Oliveira²,

Farret³

2020

Dental Press J. Orthod.

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Introduction: The cleft lip and palate is the most frequent craniofacial anomaly and as a consequence of this malformation some inadequate occlusal relationship between the arches are observed. Furthermore, dental absences, individual positioning changes of teeth as rotations, and in more rare situations the transpositions may be found as well. Description: In this context, in this article is reported a case of a 9-year-old patient with unilateral cleft lip and palate, with anterior and posterior crossbite on the left side, absence of the maxillary left lateral incisor, and transposition of the maxillary left canine and first premolar. The patient was treated with slow maxillary expansion, secondary graft and fixed orthodontic appliance, transposition maintenance and closing of the lateral incisor space with the first premolar, by means of mesialization of the posterior teeth. Results: At the end of the treatment, good intercuspation and an important aesthetic gain for the patient were achieved. The analysis three years after treatment revealed a good stability of the results obtained.

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“…The most common transposition occurs between the maxillary cuspid and first premolar. 9 10 Unilateral transpositions are more common than bilateral, and the left side is more frequently involved than the right. 1 2 3 9 10 11 …”

Section: Introductionmentioning

confidence: 99%

Orthodontic treatment of a transposed maxillary canine and first premolar in a young patient with Class III malocclusion

et al. 2015

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A 12-year-old girl was referred to our clinic for evaluation of an unaesthetic dental appearance. All permanent teeth were erupted, while the deciduous maxillary right canine was retained. Cone-beam computed tomography revealed a complete transposition of the maxillary left canine and first premolar involving both the crowns and the roots. Initial cephalometric analysis showed a skeletal Class III pattern, with a slight maxillary retrusion and a compensated proclination of the upper incisors. The patient's teeth were considered to be in the correct position; therefore, we decided to attempt treatment by correcting the transposition and using only orthodontic compensation of the skeletal Class III malocclusion. After 25 months of active orthodontic treatment, the patient had a Class I molar and canine relationship on both sides, with ideal overbite and overjet values. Her profile was improved, her lips were competent, and cephalometric evaluation showed acceptable maxillary and mandibular incisor inclinations. The final panoramic radiograph showed that good root parallelism was achieved. Two-year follow-up intraoral photography showed stable results.

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Unusual orthodontic approach to a maxillary canine-premolar transposition and a missing lateral incisor with long-term follow-up

Cited by 10 publications

References 11 publications

A 15-year follow up of an orthodontic treatment including a lower incisor extraction and keeping the maxillary canine–premolar transposition

A 15-year follow up of an orthodontic treatment including a lower incisor extraction and keeping the maxillary canine–premolar transposition

Orthodontic treatment of unilateral cleft lip and palate associated with maxillary canine/premolar transposition: case report

Orthodontic treatment of a transposed maxillary canine and first premolar in a young patient with Class III malocclusion

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