|Year : 2016 | Volume
| Issue : 1 | Page : 63-66
Gingival proliferative lesions in children and adolescents in Brazil: A 15-year-period cross-sectional study
Fabiana Caroline daSilva, Cleto Mariosvaldo Piazzetta, Cassius Carvalho Torres-Pereira, Juliana Lucena Schussel, José Miguel Amenábar
Department of Stomatology, Federal University of Parana, Curitiba, Paraná, Brazil
|Date of Submission||06-Oct-2014|
|Date of Acceptance||20-Sep-2015|
|Date of Web Publication||25-Feb-2016|
José Miguel Amenábar
Av. Pref. Lothário Meissner, 632, Jardim Botânico, Curitiba, Paraná, CEP: 80210-170
Source of Support: None, Conflict of Interest: None
| Abstract|| |
Background: Studies assessing the prevalence of oral lesions in children and adolescents, particularly in gingiva are scarce in the literature. The aim of the study was to describe the distribution of gingival proliferative lesions based on clinical and histopathological diagnoses in children and adolescents. Materials and Methods: A review of clinical charts of children and adolescents aged between 0 and 18 years old, admitted to the Oral Medicine Outpatient Unit, of Universidade Federal do Paraná, for 15 years (1994–2009) was performed. Results: Six hundred and sixty-nine out of 5,129 patients treated during this period were aged between 0 and 18 years old, and 45 of these had gingival lesions. The largest number of lesions was observed between 11 and 16 years old. The majority of the patients were referred by Curitiba's public health system. Pyogenic granuloma was the most frequent lesion (19 = 42.2%), followed by peripheral giant cell lesion (11 = 24.4%), gingival fibromatosis (10 = 22.2%), and peripheral ossifying fibroma (5 = 11.1%). Conclusion: Gingival proliferative lesions can show similar clinical characteristics. Appropriate clinical and histopathological diagnoses are necessary to guide the healthcare professional to establish the adequate treatment and to estimate the risk of recurrence.
Keywords: Dental care for children, gingival diseases, health services epidemiology, oral manifestations, periodontal diseases
|How to cite this article:|
daSilva FC, Piazzetta CM, Torres-Pereira CC, Schussel JL, Amenábar JM. Gingival proliferative lesions in children and adolescents in Brazil: A 15-year-period cross-sectional study. J Indian Soc Periodontol 2016;20:63-6
|How to cite this URL:|
daSilva FC, Piazzetta CM, Torres-Pereira CC, Schussel JL, Amenábar JM. Gingival proliferative lesions in children and adolescents in Brazil: A 15-year-period cross-sectional study. J Indian Soc Periodontol [serial online] 2016 [cited 2019 Sep 19];20:63-6. Available from: http://www.jisponline.com/text.asp?2016/20/1/63/168493
| Introduction|| |
The gingiva is exposed to irritation from biofilm, food impaction, calculus, irregular restorations, and iatrogenic factors, which can result in localized proliferative lesions. These nonneoplastic lesions are characterized by tissue growth, with fibrous or flaccid consistency, reddish color, and the absence of or symptoms ranging from mild pain to bleeding. The lesions can be sessile or pedunculated and can be also occur in other intraoral sites.
Proliferative lesions that have similar clinical appearance in oral mucosa are: Pyogenic granuloma (PG), peripheral giant cell lesion (PGCL), gingival fibromatosis (GF), and peripheral ossifying fibroma (POF); all of them are caused by low-intensity chronic irritation.,,
PG presents a tissue and vascular proliferation resulting from irritation or response to trauma. It has been speculated that it can have an infectious etiology because of the occasional presence of microorganisms. Clinically, it occurs as a smooth or lobulated exophytic lesion manifesting as small, red, erythematous papule on a pedunculated or sometimes sessile base, which is usually hemorrhagic.,, The most frequent intraoral localization of PG is the gingiva, but can also occur on the lips, tongue, buccal mucosa, and palate.,, It is most common in the anterior regions of both maxillary bones.,
PGCL has been considered as a response to hemorrhage or trauma and authors have listed several factors in its pathogenesis such as tooth extractions, defective restorations, impacted food debris, poor adaptation of prosthesis, presence of plaque, calculus, and tooth eruption. It is an injury to the soft tissues that rarely affects the underlying bone, though the latter may suffer erosion.,,
POF is a benign reactive inflammatory hyperplasia occurring exclusively in gingiva. It presents as an asymptomatic mass with normal color and a smooth or ulcerated surface. The characteristic that differ it from other gingival proliferative lesions is the presence of mineralized tissue, which is the most important histopathological feature to establish the final diagnosis. Mucosal irritants such as gingival chewing strength, plaque, dental calculus, and food impaction are associated with POF.
GF is a benign enlargement of keratinized gingiva, localized or generalized, that can interfere with speech, mastication, occlusion, lip continence, and facial appearance.,,, It can occur as a nodular form, which is the most common type and it is characterized by the presence of multiple symmetric growths in the dental papillae resulting in an uniform enlargement of the gingiva that does not affect the alveolar bone. Furthermore, the lesion has a potential to accumulate biofilm, which can favor caries and periodontal problems.
It can have multiple etiology such as hereditary GF, neurofibromatosis 1, rare syndromes, inflammation, and idiopathic nature and can be associated to some drugs such as phenytoin and cyclosporine or nifedipine, and calcium channel blocker., Such lesions can begin at or before puberty and can be associated with erupting teeth, both deciduous and permanent. Some authors ,, suggest the hereditary involvement as a result of an autosomal dominant gene, although they also admit some cases of recessive transmission.
There are several studies in the literature regarding the frequency of proliferative lesions in gingiva based on records of oral pathology biopsy services, but few of them dedicated to the pediatric population. Studies assessing the prevalence of oral lesions show that 6.6–20.6% of biopsy specimens of oral lesions that are sent for histopathological examination are from children and adolescents.,,,,,, The purpose of this study was to describe the distribution of gingival lesions based on clinical and histopathological diagnosis in a pediatric and hebiatric population. A retrospectively study was conducted based on the data evaluated in the clinical charts of individuals aged between 0 and 18, admitted to the Oral Medicine Outpatient Clinic, Universidade Federal do Paraná (UFPR), Brazil, for 15 years.
| Materials and Methods|| |
Clinical charts with biopsy records from a 15-year period (1994–2009) were retrieved from the archives of University's Oral Medicine Outpatient Clinic. The study was approved by the University Research Ethics Committee (CEP/SD 810.145.09.10). Inclusion criteria comprised all the patients aged from 0 to 18 years old with histopathological confirmed the diagnosis of gingival proliferative lesion. Exclusion criteria comprehended histopathological inconclusive diagnoses. The proliferative lesions identified were classified into four categories: PG, PGCL, GF, and POF. Additional data about the origin of referral, gender, age, race, average size, and mean evolution, were compiled. The data were registered by one researcher and analyzed through descriptive statistics and Chi-square test using software Statistical Package for Social Science, 17.0 (IBM, Chicago, IL, USA).
| Results|| |
During the period from 1994 to 2009, 5129 patients were referred to Oral Medicine Clinic, and 669 (13%) aged between 0 and 18 years old. Most patients were male (57.7%), white (77.7%), and aged between 13 and 18 years old presented the highest number of lesions. Mandible was the more affected site (51.2%). [Table 1] shows the distributions of patients according to gender, age, race, lesions site, and lesions mean size for each category of the proliferative process.
Forty-five proliferative gingival lesions were diagnosed, corresponding to 6.7% lesions in these children and adolescents. The most frequent lesion was PG (42.2%), followed by PGCL (24.4%), GF (22.2%), and POF (11.1%). [Table 2] shows the prevalence of each lesion.
Public health system of Curitiba was responsible for the majority (75.9%) of patients referred to the University's Outpatient Oral Medicine Clinic.
| Discussion|| |
UFPR Oral Medicine Outpatient Clinic is a referral center for diagnosis and treatment of oral lesions in this region of Brazil. This study analyzed 5,129 charts in a period of 15 years; to obtain an epidemiological profile of the population attended the service.
Similar studies can be found in the literature; however, different data about age group, period of study, sites examined, and disease subgroups classification make it difficult to establish comparisons and may lead to misinterpretation.
According to Zuñiga et al., there have been 12 studies performed in different countries, which evaluated the relative frequency of oral lesions in specimens of pediatric patients. To the best of our knowledge, this is the second report dealing exclusively with pediatric gingival reactive lesions after the one conducted by Buchner et al.
In the present study, it was found that 13% of all oral lesions diagnosed into a 15-year period occurred in patients between 0 and 18 years old. Previous studies based on histopathological analysis reported a slightly higher percentage of reactive hyperplastic lesions in young patients. Buchner et al. found 16% and Picciani et al. found 19.3% in patients aged 0–19 years old, while Dhanuthai et al. reported 15% of oral lesions diagnosed in patients aged 0–16 years old. Zuñiga et al., in a similar observation period, showed a prevalence of 20.6% pediatric lesions of the total number of biopsies. Nonetheless, Jones and Franklin, studying patients from 0 to 16 years old found a prevalence of 8.2% of all cases diagnosed, similar to Lima et al. and Wang et al. (6.6%) that made their analysis in patients aged from 0 to 14 years old. Zhang et al. analyzed reactive proliferative lesions, from 3 to 84 years old, and observed that lesions were more frequent in the fourth and sixth decades of life [Table 3].
|Table 3: Summary of similar studies in the same age group - children and adolescents|
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The present study found that 45 (5.8%) of the total injuries in children and adolescents were gingival lesions, different from Jones and Franklin that registered 9.9%, for gingival and periodontal pathology. Lima et al. registered 11% of reactionary gingival lesions in the total number of pediatric biopsies.
Lesions were more frequent in white boys (57.8%), and mandible was the most preferred site. PG was the most prevalent lesion, similar to other studies  Buchner et al., on the other hand, found POF as the most frequent lesion followed by PG and Zhang et al. observed GF in 61% of cases. Although drug-induced gingival overgrowth has a high prevalence among male children and adolescents, probably because of the population referred to our service, we did not observed a high frequency of this condition.
Most of PG were observed in girls, in compliance with the female-to-male ratio (2:1) reported in the literature,,,, that is, usually associated with the effect of hormones on vascular tissues. Furthermore, white patients were more frequent consistent with other Brazilian studies.,
PGCL and POF were both more frequent in white males.,,,,, Some studies reported a PGCL female predominance.,,,
GF corresponded to 22.2% of all lesions and were considered a rare lesion with a prevalence reported in the literature of 1:750,000.,,, Studies ,,, showed no gender preference for GF, however, our results were more prevalent in males. The lesion only affected patients between 8 and 17 years old, in compliance with literature and the possible association of sex hormones on its etiology.,
Studies show that hormonal influence is important in the development of different gingival proliferative process ,, and suggest special orientation about oral hygiene in people with hormonal fluctuations, such as adolescents, women after puberty, and pregnant women.
Discrepancies found among different studies, might be explained by a lack of pattern on data collection and analysis as well demographic variations. Nonetheless, pediatric patients present a significant number of oral lesions that must be correctly diagnosed, and such epidemiological surveys are helpful determining differential diagnosis.
POF, PGCL, PG, and GF are proliferative gingival lesions that can show very similar clinical characteristics, but can present distinct infiltrative features and recurrence risk. The data presented may aid clinicians to decide the best approach for each diagnosis. The correct evaluation of pediatric patients before the biopsy is fundamental for better management of children oral lesions.
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Conflicts of interest
There are no conflicts of interest.
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[Table 1], [Table 2], [Table 3]