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Year : 2018  |  Volume : 8  |  Issue : 2  |  Page : 124-127

Fusion and agenesis: Considerations in primary, mixed, and permanent dentition

1 Department of Orthodontics, Faculty of Dentistry, SEGi University, Kota Damansara, Selangor, Malaysia
2 Department of Oral Pathology, Faculty of Dentistry, SEGi University, Kota Damansara, Selangor, Malaysia
3 Department of Pedodontics, Faculty of Dentistry, SEGi University, Kota Damansara, Selangor, Malaysia

Correspondence Address:
Dr. Praveen Kumar Reddy Karnati
C-3-5, Casa Indah 2, Tropicana Indah, 47810 Petaling Jaya, Selangor
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/ijmd.ijmd_24_18

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Tooth anomalies tend to become a challenge in the contemporary world with their diversified and gradual raise in prevalence due to genetic aberrations, trauma, and environmental influences. Fusion, one among the varied tooth anomalies is seen both in primary and permanent dentition either in maxillary or mandibular arches, makes its significance unique by altered pulp canal anatomy internally. Tooth size arch length discrepancies with increased caries risk externally and altered response to physiological resorption if permanent tooth is dichotomized from the same dental lamina internally, are more concerning areas. The present case report discloses a unilateral fusion of primary lateral incisor with canine and agenesis of permanent lateral incisor alleviating the eruption dogmata with a provision of physiological space maintainer in retaining the missing permanent lateral incisor till the late mixed dentition period.

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