Primary Double Teeth Research Articles

Primary double teeth in archeological medieval material from the area of Poland: A report on two cases

AbstractThe aim of this study was to investigate primary double teeth in archeological material from the area of Poland and a brief review of the literature on the subject. Two cases of fusion of anterior primary teeth in two infants from past populations living in eastern (8th–9th cent. CE) and southern (15th cent. CE) parts of Poland are presented. A macroscopic as well as a radiographic assessment of the teeth was performed, which, in case 1, included a periapical X‐ray and CBCT imaging (Gendex–USA GXDP‐800) and, in case 2, scanning with a SkyScan micro‐CT scanner, along with reconstruction images made using NRECON SkyScan. In case 1, cross‐section and axial CBCT images showed that the fused teeth were joined by dentin in the lower portion of the crown and had two separate pulp chambers and one wide root canal. In case 2, a cross‐sectional microscan confirmed partial fusion with two distinct crowns, two pulp chambers, and one wide common root canal. The discovery of fused teeth in the remains of children, which are typically poorly preserved, is a rare event. Consequently, the reported first cases of double teeth originating from the 8th–9th and 15th centuries CE, found in Poland in Central Europe, are of great value, as they can be used to map dental anomalies in archaeological populations. 3D imaging technologies are essential to establish the final diagnosis of double teeth.

Endodontic Treatment and Aesthetic Management of Gemination in Primary Central Incisor with Two Root Canals

This case report discusses the endodontic treatment and aesthetic management of gemination in a primary central incisor with two root canals in a 3-year-old boy. Gemination is a dental anomaly characterized by the partial division of a single tooth bud, resulting in a tooth with an enlarged crown and, in some cases, two root canals. The prevalence of gemination is relatively low, particularly in primary dentition. The patient presented with a large upper left central incisor (#61) that exhibited deep decay and caries, along with radiographic evidence of pulp involvement and a bifid crown with two separate pulp chambers and root canals. A diagnosis of gemination was established based on the presence of a complete dentition. The treatment approach included pulpectomy of the geminated tooth followed by the restoration of the crown using direct composite filling. The procedure aimed to alleviate the patient's pain, preserve the primary double tooth, and maintain the space for the succeeding permanent tooth. The report emphasizes the importance of careful clinical and radiographic examination for accurate diagnosis and highlights the challenges associated with managing geminated teeth. It underscores the need for vigilant monitoring and maintenance to ensure the long-term oral health and aesthetics of such aberrant teeth. Keywords: Gemination, Aesthetic Dentistry, Pediatric Dentistry

Coexistence of Fusion and Birooted Primary Canine in a Child

Bilateral birooted primary canine presentation is an exceptionally rare dental oddity, and its occurrence with primary double teeth is even rarer. In Indian literature, fused primary anteriors are the most common dental morphological anomalies, whereas only one case of bilateral birooted primary canines has been published. This article describes the case of a 3-year-old male with a chief complaint of pain and intraoral swelling associated with fused primary anterior teeth, wherein supernumerary roots in primary canines found bilaterally were an incidental radiographic finding. This case thus emphasizes the importance of a thorough and comprehensive intraoral and radiographic examination using numerous angulations for facilitating early diagnosis, favorable treatment outcome, and reduced need for complex orthodontic interceptions for similar dental anomalies.

A micro-computed tomography examination of primary double teeth from the Muslim necropolis of Macael Viejo (13th-16th centuries; Almeria, Spain)

A child aged 5±1 years with abnormally developed mandibular incisors was discovered during the analysis of a skeletal assemblage from the late medieval/early modern necropolis of Macael Viejo (c. 13th–16th, Almería, Spain). The mandibular right deciduous incisors (81 and 82) were found to have developed a rare abnormality – a fused crown and single root. The identification, descriptions, and differential diagnoses of the anomaly were performed using morphological analyses and radiographic means. This article aims to present a case of fusion of two adjacent primary teeth displayed by a non-adult and analyse the applications and the potential of microcomputed tomography (Micro-CT) in the analysis of tooth crown and root canal morphology in dental anomalies.

Clinical and radiographic evaluation of double teeth in primary dentition and associated anomalies in the permanent successors.

Understanding potential problems associated with primary double teeth (PDT) are important to provide prophylactic measures, thereby preventing or minimizing possible complications. The purposes of this study were to investigate the prevalence of PDT in a group of Turkish children and to compare the distribution of the different types of double primary teeth and their relationship to permanent successors. A total of 17,268 children underwent a clinical examination to determine the presence of PDT. One hundred fifty-two PDT of 128 children were included in this study. All the 128 children with PDT underwent a clinical examination and had photographs taken at the time of the examination. The children underwent a further periapical or panoramic radiographic examination to determine the status of the underlying permanent successors. The PDT was classified according to Aguilo's classification. The prevalence of PDT was 0.74%, with no significant statistical difference between the sexes. PDT was most frequently observed between the mandibular lateral incisors and canines. Of the 152 PDT, 10.7% were Type I, 15.3% were Type II, 26.1% were Type III, and 47.9% were Type IV. Dental anomalies on the succedaneous permanent teeth were diagnosed in 69.4% of the children with affected primary dentition. Aplasia of the permanent lateral incisor was observed most frequently in association with Type I (52.7%) PDT. Caries involvement was observed most frequently in Type III (56.2%) PDT. The findings of this study have clinical relevance for the diagnosis of children with PDT. Early clinical and radiographic identification of PDT can help the clinician to evaluate the number and condition of permanent successors and draw up a proper treatment plan.

Primary double teeth in siblings: A report

Double teeth are developmental malformations affecting both primary and permanent dentition. This article describes primary double teeth in both the siblings of a family. A 5-year-old boy had a bilateral distribution of anomaly involving lower lateral incisor and canine. Radiographic analysis revealed that his right mandibular permanent lateral incisor was missing. His sister, a 3½-year-old girl, also had double teeth affecting mandibular left lateral incisor and canine. She displayed no other dental anomaly. The boy presented shovel-shaped maxillary permanent central incisors. Family involvement of double teeth is very rare. Double teeth in siblings and simultaneous occurrence of multiple dental anomalies probably show a hereditary etiology.

Transposition with Fusion of Maxillary Incisors in Primary Dentition: A Report of a Rare Case

A 5-year-old healthy female patient presents to a private dental clinic in Bangalore for her routine dental visit. Physical and extra-oral examination did not reveal any abnormalities. The clinical intraoral examination revealed the presence of enlarged clinical crown in the area of maxillary right incisor region. The extra large teeth had labial and palatal vertical grooves and were not affected either by dental caries or periodontal problems. On closer inspection of her right upper central and lateral incisors, transposition and partial fusion of these teeth were well appreciated and they were joined from the cement-enamel junction for approximately 6mm and then separated at the incisal edge for 0.5mm. No other anomalies were found [Table/Fig-1,​,22&3]. Her family history was unremarkable for any history of abnormal tooth formation or intraoral issues. A provisional diagnosis of primary double teeth (fusion) with transposition involving 51 and 52 (FDI System) was made.

Esthetic Management of a Primary Double Tooth Using Silicone Putty Guide: A Case Report

The term double tooth is often used to describe fusion and gemination. The development of isolated large or joined teeth is not rare, but the literature is confusing when the appropriate terminology is presented. The objective of this paper is to present a case of a primary double tooth in a 5-year-old girl with a history of trauma. The tooth was endodontically treated and esthetic management was carried out using a silicone putty guide.

PRIMARY DOUBLE TOOTH: A CASE REPORT AND REVIEW OF LITERATURE

A number of developmental anomalies can be encountered in clinical situations, which directly or indirectly can affect the treatment plan. These anomalies in the primary dentition can be of immense clinical significance since they can have a bearing on the permanent dentition. Here we report a case of fusion of a deciduous maxillary central incisor with its adjacent supernumerary tooth, presenting with the complication of dentoalvelolar abscess. Clinical observation along with periapical radiographs were used to arrive at a diagnosis. This case report emphasizes the need to attempt simple, esthetic conservative procedures before complex treatment alternatives are contemplated. Also, a review of literature is presented.

Endodontic treatment and esthetic management of a primary double tooth with direct composite using silicone buildup guide

Gemination and fusion are morphological dental anomalies, characterized by the formation of a clinically wide tooth. Gemination occurs when one tooth bud tries to divide, while fusion occurs if two buds unite. The terms double teeth, double formation, conjoined teeth, geminifusion, vicinifusion and dental twinning are often used to describe fusion and gemination. Double teeth are associated with clinical problems such as poor esthetics, spacing problems and caries susceptibility. Management of such cases requires a comprehensive knowledge of the clinical entity as well as the problems associated with it. This report presents a case of primary double tooth in a 6-year-old boy involving maxillary left central incisor. The anomalous tooth was carious and pulpally involved. This was treated conservatively by endodontic treatment and esthetic rehabilitation was done with direct composite restoration using a silicone buildup guide. The treated tooth was followed up until exfoliation.

Anomalous double-crowned primary teeth from Pre-Columbian Tennessee: A meta-analysis of hunter–gatherer and agriculturalist samples

Few cases of double-crowned deciduous teeth are reported in the paleopathological literature. Therefore, temporal and spatial patterns as well as research utility of this presumptive epigenetic trait are unknown. A ten site subadult sample (N=245) from Pre-Columbian Tennessee is canvassed for primary double teeth. No twinned (geminated) teeth but nine cases of fused adjacent deciduous teeth are identified. Consistent with clinical and population prevalence, all cases display mandibular fusions with one individual additionally exhibiting fusion of the maxillary central incisors. The frequency of bilaterality and which teeth fuse (i.e., Ldi1+Rdi1, di1+di2, di2+dc1) in this archaeological sample differs from world-wide clinical and population based studies. The uniqueness of the Amerindian pattern needs to be affirmed.The case prevalence of a Late Archaic Period (2500–1000 bc) hunter–gatherer subsistence sample (4/44, 9.1%) and a late prehistoric (ad 1300–1550) intensive agriculturalist sample (5/201, 2.5%) is not quite statistically significant (p=0.0576). Prevalence also does not unequivocally co-associate with subadult morbidity. However, dental fusion may link to the health of the reproductive age female. Future assessment should explore this and other avenues of community health as well as the genetic basis of tooth fusion by assessing the cranial and dental discrete traits in this Tennessee sample.

Double teeth in the primary dentition: Case reports from a Nigerian Tertiary Hospital

The term double tooth is used to describe the developmental dental abnormalities called gemination and fusion. Gemination is an attempted, incomplete division of a single tooth germ during the proliferation stage of odontogenesis, while fusion is the union of two or more independently developing teeth. Although the prevalence of primary double teeth is low, double teeth are of clinical interests because of the associated clinical problems. The clinical problems associated with the condition in the primary dentition are often downplayed for various reasons in spite of their importance. Primary double teeth ought to be carefully investigated so that these clinical problems which may affect the permanent dentition can be effectively managed. Perhaps primary double teeth have not received adequate documentation in our environment because of the low prevalence. This paper presents four primary double teeth in three patients. One of the cases presented occurred bilaterally, a relatively uncommon phenomena. The associated clinical problems are illustrated in the cases and the management discussed. Although primary double teeth are asymptomatic and in some cases may not interfere with function, they do have associated clinical problems. Early diagnosis and regular clinical and radiographic observations are necessary for effective management and appropriate treatment of the anomaly.

Management of crown root fracture in primary ‘double tooth’: a case report

The term 'double tooth' is used to describe two developmental dental anomalies of shape: gemination and fusion. Traumatic episodes involving a fused or geminated primary tooth are rare. This report describes an unusual case of crown root fracture in a primary double tooth.

Primary double tooth with partial anodontia of permanent dentition - a case report

Dental anomalies of number and forms may occur in the primary and permanent dentition. Various terms have been used to describe dental twinning anomalies: gemination, fusion, concrescence, double teeth, cojoined teeth, twinned teeth, geminifusion and vicinifusion. Double tooth is a term used to describe connate tooth and includes both dental fusion and gemination. The phenomenon of gemination occurs when two teeth develop from one single bud leading to a larger tooth. Fusion is a condition in which the crowns of two separate teeth have been joined together during the crown development. Fusion occurs infrequently but could cause esthetic, spacing and periodontal problems. The present article highlights the presence of a primary double tooth in an 11 year old boy involving primary mandibular left lateral incisor and canine. Clinical examination and radiographic examination confirmed the absence of the permanent left mandibular lateral incisor. Cases with primary double tooth necessitate careful examination as they may be associated with anomalies in the succeeding permanent dentition and require proper treatment planning.

Primary Double Tooth: Report of a Rare Correlation with the Permanent Dentition

Double tooth is a developmental anomaly that is seen more frequently in the primary than the permanent dentition. Double tooth involving primary canines and lateral incisors is found only in the mandible. The succeeding permanent lateral incisor is often found missing congenitally in the same region. This article reports a rare case of a double tooth involving a mandibular primary canine and lateral incisor. Instead of agenesis, the double tooth has been succeeded by a permanent supernumerary tooth in the same region.

Primary double teeth. A retrospective clinical study of their morphological characteristics and associated anomalies.

To investigate the relationship between morphology and position of double teeth, and the occurrence of other dental anomalies in the same subjects and in their siblings. SAMPLE OF CHILDREN AND METHODS: Fifty-three double teeth in a group of 50 Spanish children were included in the study. All of these children were examined clinically and had radiographs and photographs taken at the time of examination. Twenty-two of the children had a total of 30 siblings who were also examined for the presence of anomalies. Of the 50 subjects, 47 had one and three subjects had two double teeth. Statistically there were no significant differences in occurrence between boys and girls, left and right sides or between maxilla and mandible. Four morphological types were identified: type I, bifid crown-single root; type II, large crown-large root; type III, two fused crowns-single root; type IV, two fused crowns-two fused roots. Type I was seen only in the maxilla and types II and III only in the mandible. Type IV was seen mostly in the maxilla. More than half of the cases showed associated anomalies in the permanent dentition and anomalies of number or shape were also present in six of the siblings. It is suggested that both double teeth and other anomalies in the same children or in their siblings may be manifestations of a primary abnormality in the distribution of dental material.

A primary double molar tooth in a child with Russell-Silver syndrome

The prevalence of double teeth in the primary dentition, for the British schoolchild, is 1.6%. Although primary double teeth in the anterior region of the mouth are not uncommon, double teeth in the primary molar region are rare. This case report describes the intra-oral findings, and in particular a case of a primary molar double tooth, in a young child who has Russel-Silver syndrome.