|Year : 2017 | Volume
| Issue : 3 | Page : 69-71
Riga–Fede disease in association with natal teeth
Sujatha Paranna1, Punitha Kamath2
1 Department of Pediatric and Preventive Dentistry, AME's Dental College and Hospital, Raichur, Karnataka, India
2 Department of Pediatric and Preventive Dentistry, Faculty of Dental Sciences, M S Ramaiah University of Applied Sciences, Bengaluru, Karnataka, India
|Date of Web Publication||11-Jan-2018|
Department of Pediatric and Preventive Dentistry, AME's Dental College and Hospital, Benjanagera Road, Raichur - 584 102, Karnataka
Source of Support: None, Conflict of Interest: None
The purpose of this paper is to report a case of a 16-day-old infant with two natal teeth in mandibular anterior region associated with ulceration on the tip and ventral surface of the tongue. Clinical presentation revealed two natal teeth with Grade II mobility in the mandibular anterior region and Riga–Fede Disease. The treatment planned was to extract both the natal teeth followed by curettage of the extraction socket to prevent aspiration, swallowing of teeth, and for early resolution of ulcerative lesion. Satisfactory healing of ulcerative lesion was observed at 10 days follow-up visit.
Keywords: Aspiration, feeding, natal teeth, Riga–Fede
|How to cite this article:|
Paranna S, Kamath P. Riga–Fede disease in association with natal teeth. J Dent Res Rev 2017;4:69-71
| Introduction|| |
Riga-Fede disease More Details which was first described by Antonio Riga in 1881 and subsequently with histological examinations by Francesco Fede in 1890, is a rare pediatric condition in which chronic lingual ulceration results from repetitive trauma. The presence of teeth at birth may lead to the development of Riga-Fede Disease that may appear as traumatic ulcers which may be commonly located on the ventral surface of the tongue or lip and the mother's breast.
Several terms have been used in the literature to designate teeth that erupt earlier than scheduled time, such as congenital teeth, fetal teeth, predeciduous teeth, and dentitia praecox. According to the definition presented by Massler and Savara, taking only the time of eruption as reference, natal teeth are those observable in the oral cavity at birth and neonatal teeth are those that erupt during the first 30 days of life.
The purpose of this article is to report a case of a 16 days old infant with two natal teeth in mandibular anterior region associated with Riga–Fede disease and its management.
| Case Report|| |
A 16-day-old female infant accompanied by mother was referred to the Department of Pediatric and Preventive Dentistry, Faculty of Dental Sciences, M. S. Ramaiah University of Applied Sciences, Bengaluru, with a chief complaint of teeth in the lower front region of jaw and difficulty in feeding. The intraoral examination revealed two natal teeth with Grade II mobility in the mandibular anterior region and presence of ulceration on the ventral surface of the tongue [Figure 1]. Inspection of the ulcer revealed a circular lesion of four mm in diameter on the tip and ventral surface of the tongue with a white fibrous plaque on the surface. The ulcer was painful on palpation. The case was diagnosed as precocious Riga–Fede Disease. It was decided to manage the case with the extraction of natal teeth due to mobility of the teeth which could otherwise lead to complications such as swallowing or aspiration during nursing and prevent the resolution of the ulcerated lesion. Parental consent was obtained, and the extraction of natal teeth was done under topical anesthesia [Figure 2] followed by curettage of the extraction socket. The extracted teeth were yellowish white, opaque without root. The ulcer was resolved, and improvement in suckling was observed at 10 day-follow-up visit.
| Discussion|| |
The presence of natal and neonatal teeth is definitely a disturbance of biological chronology whose etiology is still unknown. It has been related to several factors, such as superficial position of the tooth germ, infection or malnutrition, febrile states, eruption accelerated by febrile incidents or hormonal stimulation, hereditary transmission of a dominant, autosomal gene, osteoblastic activity inside the germ is related to the remodeling phenomenon, and hypovitaminosis. In the present case, the cause for the natal teeth could be superficial position of the tooth germ.
Natal teeth presents with complications such as discomfort during suckling, irritation, and trauma to infant's tongue, sublingual ulceration (Riga-Fede disease), laceration of the mother's breast, and risk of aspiration if mobility exists., Prolonged gingival irritation may increase the incidence of gingival fibrous dysplasia. As the feeding of the child is affected during the early infancy and associated with difficulty in feeding, the growth and development of the child are affected as the only source of nutrition during infancy is milk, particularly from the mother. Breastfeeding occurs not only as a response to hunger but also as a mechanism of decreasing a child's stress and discomfort, breastfed children are more cooperative and less likely to drop out of school, therefore, would be expected to play an important role in the child's psychosocial development. This is consistent with Peruvian mother's description of breastfeeding as a means of providing the child with comfort, love, security, and communication.
In 1997, Hebling classified natal teeth into four types based on the clinical appearance:
- Shell-shaped crown, poorly fixed to the alveolus by gingival tissue, and absence of a root
- Solid crown, poorly fixed to the alveolus by gingival tissue, and little or no root
- Eruption of the incisal margin of the crown through the gingival tissues
- Edema of gingival tissue with an unerupted but palpable tooth.
According to this classification, the extracted teeth in the present case were of Type 2 which had solid crown, poorly fixed to the alveolus by gingival tissue without root.
Riga-Fede disease is a rare clinicopathological entity with unknown etiology although a relation with chronic trauma due to the teeth has been proposed by many authors.,, Narang et al. described the constant traction due to tongue-tie as another cause in addition to the trauma caused by the teeth. Tang et al. proposed that the trauma is only a contributing factor in the development of Riga-Fede disease that could lead to viral and toxic agents penetrating in the submucosa and into the traumatic area causing inflammatory reaction and tissue loss., The Riga-Fede disease corresponds to a lesion on the mucosa of the tongue resulting from trauma by the primary teeth during tongue forward and backward movements. Hence, in the present case, the possible etiology for Riga–Fede disease is the presence of natal teeth. Clinical presentation, laboratory data, biopsy, and follow-up can help in the differential diagnosis. In fact, ulceration of the tongue may also be due to other causes, including bacterial or mycotic infections, allergy and immunologic diseases, tumors (traumatic neuroma, granular cell myoblastoma, lymphoma, lymphangioma, salivary gland tumors, and metastatic tumors), genetic disorders, primary syphilis, tubercolosis, and agranulocytosis.
Domingues-Cruz et al. proposed a new classification of Riga–Fede disease, dividing the disease into precocious and late. The “precocious Riga–Fede Disease” is associated with natal-neonatal teeth, which appear in the first 6 months of the life and has no correlation with neurological disorders; the “late Riga–Fede Disease” typically appears after 6–8 months of life, with the first dentition, and may be related to neurological disorders. According to this classification, the present case is precocious Riga–Fede Disease.
Treatment of Riga-Fede disease has varied from excision of the lesion, to smoothening of the sharp incisal edges or rounding of the sharp edges of the tooth with composite increments, the later being the chosen treatment where only mild-to-moderate ulceration occurs. In the present case, the ulceration of tongue was large, and natal teeth were mobile; hence, the treatment chosen was extraction of natal teeth over a more conservative approach.
Removal of natal teeth is indicated when they are poorly developed, interfere with feeding, highly mobile, and associated with soft-tissue growth. Prophylactic administration of Vitamin K (0.5–1.0 mg, intramuscular) is advocated because of the risk of hemorrhage as the commensal flora of the intestine might not have been established until the child is 10 days old, and since Vitamin K is essential for the production of prothrombin in the liver. In this case, as the infant was older than 10 days delaying management or administration of Vitamin K was not considered.
| Conclusion|| |
The presence of natal teeth creates anxiety in the child and parents as well as difficulty in feeding and rarely the Riga–Fede Disease which is an ulceration on the ventral surface of tongue. Early diagnosis helps in early resolution of ulcerative lesion and aids in resuming normal feeding. Treatment of natal teeth should be carefully decided based on factors such as morphology and mobility of natal teeth as well as the presence of other complicating factors such as Riga–Fede Disease.
Declaration of patient consent
The authors certify that they have obtained all appropriate patient consent forms. In the form the patient(s) has/have given his/her/their consent for his/her/their images and other clinical information to be reported in the journal. The patients understand that their names and initials will not be published and due efforts will be made to conceal their identity, but anonymity cannot be guaranteed.
Financial support and sponsorship
Conflicts of interest
There are no conflicts of interest.
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[Figure 1], [Figure 2]