Abstract
Background: As the knowledge of the important of treatment the impacted canine since in many studies was considered as the key for ideal occlusion and to avoid the deleterious effect of lost, every effort must be done in order to retract and bring the impacted canine in to it is normal position. lower cuspid usually of a single rooted, but some time in about 15% of cases may have two canals in addition to that in a very rare cases approximately 1.7% associated with two roots. Our case showed these anomalies in addition to that the canine was horizontally impacted in the lower arch which is consider as challenge for many orthodontic since the angular of impaction was more than 25%. therefore, our case is a rare. Materials and Method: The treatment focus on the orthodontically extrusion and up righting of the impacted canine by using fix orthodontic appliance with the aid of traditional anchorage device (TDA). Result: this rare case was successfully managed with fix orthodontic treatment. Conclusion: Orthodontic extrusion of horizontally impacted incomplete transposition mandibular canine should be considered for similar cases.
Highlights
Delay in normal eruption time of teeth or obstruction to normal eruption path in a way that tooth eruption is partially or totally prevented is described as impacted tooth [1]
A low prevalence of impacted lower canine has been reported by many studies with the percentage ranging between0.07% and 0.92% of a total number of teeth impaction[6,7,8] .The location of impacted lower canines are more likely to be on the labial aspect of the dental arch when compared to maxillary canines[9,10]
The effects of impacted teeth include ecchymosis of the soft tissues, infection, paresthesia and damage to adjacent structures [13,14] further, the presence of an impacted canine may cause resorption of the adjacent tooth, most likely a lateral incisor or the canine itself may undergo cystic changes [15,16]. several options proposed for treatment of impacted teeth to avoid it is deleterious effect includes the following no treatment,autotransplantation of the
Summary
Delay in normal eruption time of teeth or obstruction to normal eruption path in a way that tooth eruption is partially or totally prevented is described as impacted tooth [1]. Al–Rafidain Dent J Vol 21, No.2, 2021 canine, extraction of the impacted canine and movement of a first premolar in its position, extraction of the canine and posterior segmental osteotomy to move the buccal segment mesially to close the residual space, prosthetic replacement of the canine, Surgical exposure of the canine and orthodontic treatment to bring the tooth into the line of occlusion. This is obviously the most alternative treatments for impacted teeth [17]. The anatomical variation of two roots with two separate root canals in lower canine is rare and literature search has revealed 5%, 1% and 1.2% cases with two roots and two root canals respectively [20]
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