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Dental concrescence

P Dąbrowski, D Nowakowski, A Gawlikowska-Sroka, I Maciuszczak, S Gronkiewicz
Dental abnormalities in archeological material such us concrescence or odontoma are rare cases often found accidentally, mostly during routine X-ray analysis or during macroscopic examination of the mastication apparatus. In this study, we present a rare case of concrescence between an upper left third molar and a supernumerary fourth molar in a 19th century skull from Uganda. Simultaneously, it is a critical revision of earlier studies on the same object (which considered this abnormality as an odontoma), using dental X-ray imaging and histological analysis...
September 2017: International Journal of Paleopathology
Nicky David Stanford, Sara Hosni, Tim Morris
Dental concrescence is a rare dental abnormality resulting in the joining of two teeth at the level of the cementum. This is the first reported case of the orthodontic management of a dental concrescence and the options for patient treatment are discussed. In this case, a compromised occlusal result was accepted with restorative masking of the affected teeth.
August 1, 2017: Journal of Orthodontics
Akshara Singh, Hind Pal Bhatia, Naresh Sharma
Down syndrome is one of the most common congenital anomaly. It is most frequently caused by trisomy of chromosome 21. Other causes can be mosaicism and translocation. Such patients are commonly encountered in routine dental practice. This syndrome has wide range of medical and dental abnormalities. This paper presents a unique case of fusion and concrescence of retained primary teeth in a child with Down syndrome. The incidence of such anomalies is quite low in these cases. Thus, a better awareness of such conditions on part of a dental practitioner will aid in the provision of enhanced dental care to these patients...
May 2017: Special Care in Dentistry
Ali Zakir Syed, LeelaSubhashini Choudary Alluri, Dhiraj Mallela, Troy Frazee
Concrescence is a form of twinning, formed by the confluence of cementum of two teeth at the root level. The diagnosis of concrescence has largely relied on the conventional 2D imaging. The 2D imaging has inherent limitations such as distortion and superimposition. Cone-Beam CT eliminates these limitations. The aim of this article was to describe a case of dental abnormality using Cone-Beam CT imaging modality. Volumetric data demonstrated confluence of left mandibular third molar with a paramolar, a supernumerary tooth...
2016: Case Reports in Dentistry
Daniel Palermo, Ayisha Davies-House
Concrescence is a rare dental anomaly whereby adjacent teeth are united by cementum. It has been reported to occur in around 0.8% of permanent dental extractions and a correct diagnosis prior to surgical intervention is important to ensure that patients can make an informed decision about their treatment and to reduce the potential for dentolegal action against the responsible clinician. An 83-year-old woman was referred to the Oral and Maxillofacial Surgery Department at the Wirral University Teaching Hospital, for extraction of her upper left first molar tooth...
March 23, 2016: BMJ Case Reports
Suruchi Juneja, Kanika Gupta Verma, Navneet Singh, Gagandeep Kaur Sidhu, Navneet Kaur
Fusion is an anomaly manifested in both deciduous and permanent dentitions. Fusion of dental tissues in the primary dentition is of clinical significance owing to the challenges in treatment of the affected teeth and aberrations encountered in development and eruption of their successors. Triple tooth refers to the union of three separate tooth entities. It can occur by fusion, germination, concrescence or a combination of both fusion and germination. Triplication is rarely encountered in the deciduous dentition...
May 2015: Journal of Dentistry of Tehran University of Medical Sciences
Hiroshi Kato, Takashi Kamio
Supernumerary teeth in the molar area are classified as paramolars or distomolars based on location. They occur frequently in the maxilla, but only rarely in the mandible. These teeth are frequently fused with adjacent teeth. When this occurs, the pulp cavities may also be connected. This makes diagnosis and planning of endodontic treatment extremely difficult. Here we report a case of a mandibular second molar fused with a paramolar, necessitating dental pulp treatment. Intraoral and panoramic radiographs were obtained for an evaluation and diagnosis...
2015: Bulletin of Tokyo Dental College
Frederico Sampaio Neves, Karla Rovaris, Matheus Lima Oliveira, Pedro Duarte Novaes, Deborah Queiroz de Freitas
The aim of this article was to describe imaging aspects of concrescence analyzed by three imaging modalities. A second molar joined together with a third molar was imaged using digital periapical radiography, cone beam computed tomography (CBCT) and micro-computed tomography (Micro-CT). On periapical radiograph, the mesial root of the third molar is superimposed on the distal root of the second molar. On CBCT images, a large cementum union between bulbous roots was detected, confirming the diagnosis of concrescence...
April 2014: New York State Dental Journal
Abhishek Dhindsa, Shalini Garg, S G Damle, Shireen Opal, Tavleen Singh
Dental anomalies of number and forms may occur in the primary and permanent dentition. Various terms have been used to describe dental twinning anomalies: Germination, fusion, concrescence, double teeth, conjoined teeth, twinned teeth, geminifusion, and vicinifusion. Fused tooth is a developmental anomaly that is seen more frequently in the primary than the permanent dentition. Double tooth involving deciduous anterior teeth is found mostly in the mandible. Very few cases of nonsyndromic double primary molar have been reported in the literature...
April 2013: European Journal of Dentistry
Sanjay Venugopal, B V Smitha, S Prithyani Saurabh
Concrescence is a developmental anomaly of dental hard tissues. It is a condition showing union of adjacent teeth by cementum. The concrescence leads to a loss of gingival architecture leading to the development of funnels, which may cause plaque accumulation thus, resulting in periodontal tissue destruction. There is a slight predilection for the mandible especially in the premolar area followed by the molar and anterior regions. Awareness of these developmental disturbances with proper diagnosis and treatment is very essential because it can compromise the periodontal attachment and can lead to the tooth loss...
May 2013: Journal of Indian Society of Periodontology
Urvashi Sharma, Anubha Gulati, Namrata C Gill
Odontogenesis is a complex process wherein more than 200 genes are known to play a significant role in tooth development. An imbalance can lead to an abnormality in the number, size, shape or structure of the developing tooth/teeth. The presence of an extra dental lamina forms a supernumerary tooth. The supernumerary teeth are of two types: A rudimentary tooth where the supernumerary tooth does not resemble any tooth in the normal series or a supplemental tooth in which this anomalous tooth resembles one in the normal series...
January 2013: Contemporary Clinical Dentistry
Denise Foran, Takashi Komabayashi, Louis M Lin
Concrescence is a rare developmental anomaly with an overall incidence of 0.8% in the permanent dentition. While many case reports describe the treatment of concrescence with extraction, there are few reports of non-surgical root canal treatment (NSRCT), due to the atypical root form, canal morphology, and technical difficulties involved in concrescence. This unique case report describes a technical modification of NSRCT that can retain joined posterior maxillary teeth to maintain natural posterior occlusion without surgical intervention or dental implants, thereby avoiding the risk of damage to a large portion of the alveolar bone near the maxillary sinus...
March 2012: Journal of Oral Science
Kruthika S Guttal, Venkatesh G Naikmasur, Puneet Bhargava, Renuka J Bathi
OBJECTIVES: To evaluate the frequency of developmental dental anomalies in the Indian population. METHODS: This prospective study was conducted over a period of 1 year and comprised both clinical and radiographic examinations in oral medicine and radiology outpatient department. Adult patients were screened for the presence of dental anomalies with appropriate radiographs. A comprehensive clinical examination was performed to detect hyperdontia, talon cusp, fused teeth, gemination, concrescence, hypodontia, dens invaginatus, dens evaginatus, macro- and microdontia and taurodontism...
July 2010: European Journal of Dentistry
Kyle J Gernhofer
BACKGROUND: Concrescence is a rare dental anomaly that may be inadvertently diagnosed during a tooth extraction. CASE DESCRIPTION: While extracting a maxillary second and third molar, it became evident that the teeth were attached between the roots. Both teeth were extracted atraumatically and healing was uneventful. CLINICAL IMPLICATIONS: Concrescence may increase the likelihood of certain complications to occur during a tooth extraction...
July 2009: Journal of the California Dental Association
Yong Wang, Ying Jia, Jun-Mei Zhang, Zhi-Qiang Wang, Yu Wang, Pu Yang, Tian Tang, Xiu-Ping Wu, Lei-Lei Zheng, Zhi-He Zhao
OBJECTIVE: To examine the histological discrepancies between juvenile and adult Beagle dogs at different concrescence times after miniscrew implants. METHODS: Miniscrew implants were performed in six juvenile Beagle dogs and six adult Beagle dogs. The space between the fourth premolar root and first molar root, and the spaces in distal and mesial of M1 root were picked up for the implants of the 48 miniscrews. The lower jaw specimens including the miniscrews were harvested 3 and 12 weeks after the implants for the histological examinations and bone implant contact (BIC) calculations...
January 2009: Sichuan da Xue Xue Bao. Yi Xue Ban, Journal of Sichuan University. Medical Science Edition
Ahmet Arslan, Emre Ozel, Hatice Altundal
Disturbances during morphodifferentiation of tooth germs are rare in the permanent dentition. Reasons for abnormalities are: trauma (fighting, falling, any sport activity) occurring during the eruption; mechanical blockage of the path of eruption by neoplasms; cysts; supernumerary teeth; therapeutic irradiation of the area; and orthodontic treatment. Abnormalities are classified as dilaceration, extra root formation, double root formation, concrescence, rizomegali and hypercementozis. In this article, three different root abnormalities are presented...
April 2008: New York State Dental Journal
Samprati J Badjate, K M Cariappa
Concrescence is an uncommon developmental anomaly that may influence exodontia as well as periodontal, endodontic, orthodontic and even prosthodontic diagnosis and treatment planning. Unexpected complications arising from this condition may lead to legal complications. To minimize risk and adverse outcome of treatment, consideration should be given to recognizing this condition and, possibly, modifying treatment planning. This article presents an unsuspected case of concrescence with a review of the literature...
January 2008: New York State Dental Journal
K Kremeier, O Pontius, B Klaiber, M Hülsmann
AIM: To present a case with various morphological irregularities requiring root canal treatment and to discuss the problems and options for orthograde root canal treatment. SUMMARY: Root canal treatment of a double tooth presenting with an acute alveolar abscess is described. The anatomical variations of this tooth included double tooth, dental invagination, incomplete apical closure, three root canal systems and an internal lacuna. The tooth was treated nonsurgically with orthograde root canal treatment resulting in nearly complete radiographic apical repair after 4 years...
November 2007: International Endodontic Journal
K Gunduz, M Sumer, A P Sumer, O Gunhan
Concrescence represents a rare developmental anomaly in which two fully formed teeth are joined along the root surfaces by cementum. Maxillary molars are the teeth most frequently involved, especially a third molar and a supernumerary tooth. Very few cases have been reported about the concrescence of a third molar and a supernumerary tooth. According to our current knowledge, this case report is the first in the literature in which concrescence is observed between a third molar and a supernumerary fourth molar in the mandible...
February 11, 2006: British Dental Journal
Laura M Romito
Concrescence represents an uncommon developmental anomaly in which juxtaposed teeth are united in the cementum but not in the dentin. The incidence of concrescent teeth is reported to be highest in the posterior maxilla. The presence of concrescent teeth may influence surgical procedures as well as periodontal, endodontic and even orthodontic diagnoses and treatment. Therefore, consideration should be given to the possible occurrence, recognition, and implications of this anomaly in diagnosis and treatment planning...
March 2004: Oral Surgery, Oral Medicine, Oral Pathology, Oral Radiology, and Endodontics
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