Two teeth united during development by the union of their
tooth germs; the teeth may be joined by the enamel of their crowns, by their root dentin, or by both.
Tooth Germ
The collective tissues from which an entire tooth is formed, including the
Dental Sac; Enamel Organ; and Dental Papilla
Tooth Sac
Dense fibrous layer formed from mesodermal tissue that
surrounds the epithelial enamel organ.
The cells eventually migrate to the external
surface of the newly formed root dentin and
give rise to the cementoblasts that deposit
cementum on the developing root,fibroblasts
of the developing periodontal ligament,
andosteoblasts
of the developing alveolar bone.
Enamel Organ
Epithelial cells surrounding the dental papilla and differentiated into three layers:
the inner enamel epithelium, consisting ofameloblasts
which eventually form the enamel,
and the enamel pulp and external enamel epithelium, both of which atrophy and disappear
before and upon
eruption of the tooth, respectively.
Dental Papilla
Mesodermal tissue enclosed in the invaginated portion
of the epithelial enamel organ and giving rise to the dentin and pulp.
Orthodontic treatment of fused and geminated central incisors: a case report.
>Free Full Text( J Contemp Dent Pract.)
Endodontic treatment of developmental anomalies in posterior teeth: treatment of geminated/fused teeth--report of two cases.
>Abstract
>Full Text(Int Endod J.)
Bilateral fusion of mandibular second molars with supernumerary teeth: case report.
>Free Full Text(Braz Dent J.)
Root-canal treatment of a trifid crown premolar.
>Abstract
>Full Text(Int Endod J.)
Bilateral maxillary fused primary incisors accompanied by succedaneous supernumerary teeth: report of a case.
>Abstract
>Full Text(Int Endod J.)
Maxillary lateral incisor with two root canals: fusion, gemination or dens invaginatus?.
>Free Full Text(Braz Dent J.)
Eruption disturbances of maxillary permanent central incisors associated with anomalous adjacent permanent lateral incisors.
>Full Text(Int J Paediatr Dent.)
Endodontic management of a mandibular third molar fused with a fourth molar.
>Full Text(Int Endod J.)
Endodontic and orthodontic treatment of a cross-bite fused maxillary lateral incisor.
>Abstract
>Full Text(Int Endod J.)
Supernumerary teeth: review of the literature and a survey of 152 cases.
>Abstract
>Full Text(Int J Paediatr Dent.)
Bilateral connation of permanent mandibular incisors: a case report.
>Full Text(Int J Paediatr Dent.)
An unusual case of talon cusp on geminated tooth.
>Free Full Text(J Can Dent Assoc.)
