Dens evaginatus is a developmental anomaly that produces a tubercle on the occlusal surface of a tooth. It is found most frequently in the mandibular premolars. The occlusal tubercle easily causes occlusal interferences. Attrition or fracture of the tubercle can lead to pulpitis, pulp necrosis, periapical pathosis, and periapical infection. ...

A case is presented in which an infant required extraction of 2 residual neonatal teeth. Some authors suggest routine curettage of the extraction sites of natal and neonatal teeth to prevent the development of residual teeth. In light of the rare occurrence of such residual teeth, this may represent overtreatment. ...

A 'double' tooth is an uncommon dental developmental anomaly that can occur in the deciduous and/or permanent dentition. It is not always possible to differentiate clinically between fusion and gemination. Clinical and radiographic examination, as well as a histological assessment, can help to differentiate between fusion and gemination. A case ...

Three unusual cases of maxillary premolar root resorption are reported. Three teenage patients were referred to the orthodontic department for management of ectopic maxillary canines. Radiographic examination revealed unilateral premolar root resorption in all three patients. This represents an unusual finding. Whereas the prevalence of maxillary lateral incisor root resorption ...

Amelogenesis imperfecta is a hereditary condition resulting in poor tooth development, severe anomalies, or complete absence of enamel. Enamel lesions may be the only characteristic of this condition or may be part of a generalized syndrome. Amelogenesis imperfecta can be characterized by enamel hypoplasia and/or hypomaturation or hypocalcification of the ...

Pili multigemini is a rare developmental defect of hair follicles. It usually involves the beard of an adult and the scalp in children, but there have been no reported cases on the back. We report 3 cases of extensive pili multigemini over the entire back of healthy males. All cases ...

The purpose of this clinical report was to introduce a simple and effective way of performing ectopic eruption treatment utilizing a triangular wedging spring. This consists of 3 helical loops in a triangular shape with 0.018-inch Australian wire. The middle helical loop is made for wedging spring action, while the ...

One of the most important factors in restorative success is the preparation of a case prior to treatment. Case planning, constructing the wax-up and provisional restorations, and understanding the potential problems with a case prior to beginning can only ensure a higher degree of success than would be achieved by ...

Objective: To compare the effectiveness of topical fluoride application and fluoride The purpose of this paper is to bring about a better appreciation of causative factors and those influencing management decisions of the unerupted maxillary canine. It reviews current literature of the anomaly of the unerupted maxillary canine, which is ...

This case report documents the trauma and follow-up care of lateral luxation associated with extrusion of the lower central incisors in an 8-month-old patient. The teeth were repositioned by digital pressure and stabilized using proximal sutures. Clinical and radiographic follow-up 40 months after the injury showed alterations in both incisors, ...

A coronal radiolucent lesion of an unerupted and partially developed mandibular second molar was coincidentally found during a routine radiographic orthodontic examination of a generally healthy 9-year old girl. The size of the lesion increased continuously during a 2-year observation period. Histologic examination after extracting the tooth proved the lesion ...

Impactions with severely dilacerated root is seldom reported, especially the maxillary incisor. It is probably because of the high clinical difficulty of bringing the dilacerated tooth into position: most patients probably would choose extraction with replacement by prosthesis instead. However, the philosophy seems to have changed recently. We report two ...

OBJECTIVES: The objective is to call attention to and to review the literature of the anatomical variation: bifid mandibular canal. METHODS: A review of the literature is summarized. Additionally, the clinical and radiographic findings of a patient who presented a unilateral bifid mandibular canal are recorded. RESULTS: Bifid mandibular canals ...

We report a rare case of an association of external enamel pearl with internal enamel pearl on the root of a molar. To the best of our knowledge, association of external and internal enamel pearls has not been previously reported. We discussed the histogenesis of enamel pearls and proposed that ...

Cystic changes can arise in relation with unerupted lower third molars. This case report describes a large odontogenic keratocyst (OKC) which developed rapidly and aggressively over a short period of 2 years and presented with acute symptoms. The development of a large OKC over the mandible is evidenced by radiographs ...

A case of dens evaginatus (DE) and dens invaginatus (DI) concurrently affecting the maxillary right permanent lateral incisor in a 25-year-old Hispanic male is reported. DE, referred to as Talon's cusp in the anterior teeth and Leong's premolar in the premolar teeth, is a relatively rare condition by itself. An ...

Root resorption often occurs after tooth trauma and may also occur during orthodontic tooth movement. This has been attributed to bacteria and inflammation or a combination of both aetiologies. The literature suggests that root canal treatment performed on a traumatized tooth that will concurrently or subsequently undergo orthodontic tooth movement ...

Double and congenitally missing teeth are known to be commoner in the primary dentition than the permanent. The knowledge of this trait in the permanent dentition in Africa is still poor. This paper describes the clinical findings in a pair of monozygotic Nigerian twins. This illustrates the claims of genetic ...

BACKGROUND: Encephalocraniocutaneous lipomatosis (ECCL) is a rare neurocutaneous syndrome characterized by congenital cutaneous, ocular, and neurologic abnormalities, which may be pronounced in the head and neck. CASE: In this article we present a well-documented case of a six-year-old boy with ECCL associated with oral manifestations. In this case, typical features ...

The arrested development of a permanent tooth as a sequela to a periradicular infection in a primary predecessor is a rare occurrence. A case is presented where temporary arrest of root development occurred in a premolar of a child with hypodontia and extensive caries. The aetiology, management and outcome are ...

This case report describes a non-syndromic Caucasian patient who presented with a missing upper right primary canine and a supplemental upper right primary first molar. Later, a supplemental premolar developed in the upper right quadrant. The report highlights the importance of early diagnosis of dental anomalies and a multidisciplinary approach ...

Cases of congenitally missing permanent teeth involving only maxillary canines are uncommon. Prevalence studies have revealed that it is a rare finding in Caucasian populations, but it may be relatively more common in Asian groups. This report describes radiographic findings in 32 Chinese children with congenitally missing maxillary permanent canines. ...

We present a rare case of a developmental anomaly called regional odontodysplasia or 'ghost teeth' in an 8.5-year-old Jordanian girl. The anomaly affected both the mandibular primary and permanent incisors, and the canines bilaterally. The maxillary teeth were unaffected. This is the first case of the anomaly to be reported ...

Odontomas are the most common type of odontogenic tumors and generally they are asymptomatic. Frequently it may interfere with the eruption of the teeth. This is a case report of a compound composite odontoma in a 9 year old girl, which results in failure of eruption of the permanent upper ...

Supernumerary premolars appear to be more common than previously estimated. The purpose of this report was to review most of the cases published in the dental literature since 1932. The authors found that supernumerary premolars occur 3 times more in males than in females, indicating a possible sex-linked inheritance, with ...

We present a case of smothering of a 2-year-old male infant by his schizophrenic mother who was having a psychotic episode. In addition to the initial autopsy findings of conjunctival petechial hemorrhages, facial linear abrasions and bruises, and mucosal abrasions and bruises, expert odontologic examination revealed indentations of the cusps ...

Intranasal ectopic dentition is a rare clinical entity. It may be asymptomatic or can be associated with different symptoms. In 25% of the reported cases an association with rhinosinisitis is suspected. The possible pathophysiology, diagnosis and treatment are discussed. Teeth in the floor of both nasal cavities, associated with chronic ...

AIM: This was to report a rare case of strong familiar tendency of ankylosis of maxillary second primary molars. CASE REPORT: Three Caucasian children, male twins of 8.5 years and a sister of 10 years, were diagnosed as having severely infraccluded maxillary second primary molars with underlying second premolars. In ...

Agenesis of mandibular permanent canines is uncommon. The occurrence of such an anomaly in patients with all other permanent teeth present, except third molars, is even more rare. The purpose of this case report was to summarize the radiographic findings in 6 Chinese children with hypodontia involving only mandibular permanent ...

AIM: To examine cases showing increased width of the periodontal space (IW) at a long-term follow-up examination and to determine whether this finding could be explained by endodontic or nonendodontic factors. METHODOLOGY: A series of intraoral radiographs was obtained from 131 patients 20-27 years after root canal treatment. The same ...

Treatment of permanent tooth avulsions in an adolescent poses significant difficulties for the dental clinician. This case report gives details about the treatment of a complex dentoalveolar trauma involving multiple avulsions of primary molars, permanent incisors, permanent molars, and premolar toothbuds. Immediate treatment of the injury and short-term esthetic replacement ...

This case report describes a case of intrusion of the right mature permanent central incisor. After gingivectomy and endodontic treatment with changes of the intracanal dressing (calcium hydroxide paste) every 30 days, spontaneous re-eruption was observed. We conclude that waiting for spontaneous re-eruption associated with gingivectomy and endodontic treatment is ...

Bilateral bifid mandibular condyles are rare and may appear as a congenital or developmental anomaly. A case of bilateral bifid mandibular condyles is reported. The patient had no history of trauma and no link was apparent with respect to the patient's medical history. In this case, the condition was an ...

A 14-year-old female presented with extraoral inverted eruption of left mandibular permanent molars 18 and 19 at the lower left inferior border of the mandible. Both the teeth started erupting 1 year after an extraoral surgical intervention for a discharging sinus 6 years ago. The subsequent eruption to the extraoral ...

In this paper, an archaeological case of unilateral bifid mandibular condyle is presented. This uncommon anomaly is characterized by a division of the mandibular condylar head. In this case, the left condyle was divided into two articulating surfaces oriented mediolaterally; two articular facets on the anterior wall of the glenoid ...

Trauma to a primary tooth may result in damage to the underlying developing permanent tooth bud because of the close proximity between the root of the primary tooth and its permanent successor. We report an unusual case where injury to the primary dentition resulted in pulp canal obliteration (PCO) of ...

BACKGROUND: Dens Invaginatus (DI), commonly known as dens in dente, is a developmental malformation of tooth that most commonly affects permanent maxillary lateral incisor teeth. Deciduous teeth are infrequently affected. Presence of DI in mandibular permanent teeth is extremely rare. Further, the presence of DI bilaterally in the maxillary lateral ...

Although apparently simple and efficient to use, removable appliances are no longer the appliance of choice for comprehensive orthodontic treatment in the permanent dentition. Their mechanical properties result in simple tipping of teeth, therefore multiple simultaneous tooth movements with apical control are not possible. It is for these and other ...

The purpose of this paper was to present 2 cases of green pigmentation in primary teeth caused by hyperbilirubinemia, from different pathologies during the neonatal period. Medical history revealed systemic problems during the neonatal period of an infectious, neurological, renal, respiratory, and cardiological nature, as well as a high amount ...

A case involving a 17-year-old girl with a large erupted odontoma associated with a deeply impacted mandibular molar is reported. The molar, which previously had been displaced to the border of the mandible, erupted successfully three years after surgical removal of the odontoma. A review of the literature presents guidelines ...

INTRODUCTION: Children who present with a posterior cross-bite in the primary dentition may be predisposed to long-term detrimental consequences if the condition is left untreated. Controversy exists in the literature as to the most appropriate time to treat this condition. OBJECTIVES: The aim of this review is to evaluate the ...

Supra-erupted teeth often lead to occlusal instability that can result in a poor appearance and make subsequent restoration problematical. This case report discusses the options in the management of supra-erupted teeth and presents a novel approach. The use of a direct composite platform to intrude an upper premolar tooth using ...

This article reviews a case involving endodontic treatment of a mandibular second molar with C-shaped canal morphology and five separate canals. The C-shaped canal variation of morphology is unusual and can lead to difficulties during treatment. Preoperative radiographs are limited in their ability to detect this entity; for a favorable ...

The bifid condyle is a rather uncommon condition that is diagnosed radiographically. Its etiology is unknown, although the most tenable theory is that it is of traumatic origin. The purpose of this article is to report a new case of a bilateral bifid condyle (the left one manifested a trifid ...

This report presents a case of replantation of a traumatically avulsed central incisor in a 32-year-old woman. The tooth was replanted after a 30-min extra-alveolar period. Emergency unconventional immobilization was performed, using 2-0 chromic gut, and a restorative composite made Gunning-type splint. The tooth is still in place 27 years ...

With the advent of magnification, either by loupes or microscope, the astute clinician must be aware of recent literature that states that the mandibular first molar has a 1-15% chance of a fifth canal. This is a case report accompanied by a review of the literature that shows the unusual ...

A case is presented with a displaced maxillary canine, where one year subsequent to the radiographic diagnosis, a bend in the apical one third of the adjacent premolar root had developed. This finding lends further support to a recent hypothesis, that in such circumstances, the canine impaction results in the ...

This article reviews the infrequently utilized treatment method of forced eruption and how it can serve as an alternative to the sacrifice of the natural root system. Forced eruption can preserve the natural root system and related periodontal architecture, resulting in years of additional service for the patient. It also ...

A 10-year old Egyptian male presented with a geminated upper right central incisor along with a fused and rotated upper left central incisor in cross bite. He also had severe crowding in the maxillary arch and a congenitally missing lower right first permanent premolar. Orthodontic treatment was carried out to ...

Regional odontodysplasia (RO) is a rare dental anomaly involving both dentitions, mostly teeth of one quadrant. The characteristic findings are discolored soft teeth accompanied by gingivitis, swelling or abscess. Enamel and dentin are hypomineralised and hypoplastic, so that the 'ghost teeth' appear shadowy in radiographs with wide pulp chambers. The ...