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Clinical and Radiographic Oral Manifestations in Pediatric Patients with Chronic Renal Failure on Dialysis Therapy

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Clinical and Radiographic Oral Manifestations in Pediatric Patients with Chronic Renal Failure on Dialysis Therapy Open Access Austin Journal of Nephrology and Hypertension Research Article Clinical and Radiographic Oral Manifestations in Pediatric Patients with Chronic Renal Failure on Dialysis Therapy Rivas UO1*, Loza R2*, Sacsaquispe SJ1 and Calderón V3 Abstract 1 Department of Medicine, Surgery and Oral Pathology, Objective: To describe clinical and radiological oral manifestations in Faculty of Dentistry, Cayetano Heredia University, Perú children with chronic renal failure on dialysis therapy and the relationship with 2Pediatric Nephrology Unit, Cayetano Heredia Hospital, disease, period of dialysis, and history of secondary hyperparathyroidism. Cayetano Heredia University, Perú 3Department of Oral and Maxillofacial Radiology, Faculty Methods: A comparative study of 2 independent groups, including thirty- of Dentistry, Cayetano Heredia University, Perú three children with chronic renal failure on dialysis (between 7-16 years old) and 33 children without chronic renal failure and with similar characteristics was *Corresponding author: Rivas UO, Department conducted. Intraoral examinations, including a smear of oral mucosa and digital of Medicine, Surgery and Oral Pathology, Faculty of panoramic maxillary radiographs, were performed. Dentistry, Cayetano Heredia University, Urb Ingeniería Lima, Perú Results: Among children with chronic renal failure, 16 (48.5%) had xerostomia, 18 (54.5%) had uremic breath, 16 (48.5%) showed changes in oral Loza R, Pediatric Nephrology Unit, Cayetano Heredia mucosa, 24 (72.7%) had regular oral hygiene with a low rate of dental caries, 20 Hospital Lima, Urb Ingeniería, Lima, Perú (60.6%) had enamel hypoplasia, 25 (75.8%) tested positive for Candida hyphae, Received: September 19, 2018; Accepted: October 23, 5 (15.2%) had changes in the shape of the mandibular cortex, and 14 (42.4%) 2018; Published: October 30, 2018 had signs of osteopenia in the jaws. Conclusion: We found significant differences between the groups with and without chronic renal failure for xerostomia, uremic breath, changes in oral mucosa, enamel hypoplasia, dental caries, mandibular cortical shape, and signs of osteopenia. Moreover, we observed significant relationships between several aforementioned findings and the period of kidney disease, duration of dialysis, and presence of osteodystrophy. Keywords: Chronic renal failure; Oral manifestations; Dental digital radiography; Dialysis; Secondary hyperpara thyroidism Introduction associated with CRF and may occur following the diagnosis of kidney disease [9]. Secondary hyperparathyroidism, which often develops Children with Chronic Renal Failure (CRF) may exhibit oral in patients with renal failure, can cause several changes in the jaw, conditions of interest, such as xerostomia, because both stimulated such as increased marrow spaces, decreased trabeculae, decreased and unstimulated salivary flow rates decrease in patients on mandibular cortical thickness, total or partial loss of alveolar hemodialysis compared with those in healthy individuals [1,2]. lamina dura, a widened periodontal ligament space, lytic areas, and Excess urea and other nitrogen blood products cause some abnormal bone scarring after tooth extraction [10]. There is a positive ammoniacal products to appear in body fluids, including saliva. This relationship between the effect of the duration of dialysis and oral issue produces dysgeusia in the mouth, characterized by a salty metallic health parameters-the plaque index, gingival index, periodontal taste and uremic halitosis [3]. Therefore, salivary pH is significantly attachment loss, and probing depth-i.e., the state of dental and more alkaline, which could explain the reduced susceptibility of periodontal health worsens with more time on dialysis in patients children with CRF to dental caries [4]. Oral ulcers may appear in with CRF [11]. mucosa weakened by uremia or anemia, making them more sensitive to physical irritation [5,6]. Hematologic and vascular changes Moreover, the duration of renal disease and duration of dialysis occur, with a number of local changes such as paleness, appearance are related to the degree of enamel hypoplasia and dental plaque of petechiae or ecchymosis, and gingival bleeding. Compared with index, demonstrating the influence of these factors on the oral healthy individuals, children with uremia may have a reduced gingival condition of patients [12]. inflammatory response to bacterial plaque. Therefore, patients with The aim of this research was to describe the clinical and CRF are predisposed to a greater accumulation of plaque and elevated radiological oral manifestations of pediatric patients with and without calculus formation [7,8]. CRF by determining the relationship of such manifestations with the Enamel hypoplasia also occurs in children with CRF because duration of disease and renal therapy, as well as with a history of damage to tooth development may result from metabolic problems secondary hyperparathyroidism. Austin J Nephrol Hypertens - Volume 5 Issue 1 - 2018 Citation: Rivas UO, Loza R, Sacsaquispe SJ and Calderón V. Clinical and Radiographic Oral Manifestations in ISSN : 2381-8964 | www.austinpublishinggroup.com Pediatric Patients with Chronic Renal Failure on Dialysis Therapy. Austin J Nephrol Hypertens. 2018; 5(1): 1077. Rivas et al. © All rights are reserved Rivas UO and Loza R Austin Publishing Group Table 1: Clinical oral manifestations observed between patients with and without CRF. GROUP Total p+ With CRF (n=33) Without CRF (n=33) Manifestation Categories n % n % n % Xerostomia No 17 51.5 32 97 49 74.2 0.000* Yes 16 48.5 1 3 17 25.8 Uremic breath No 15 45.5 33 100 48 72.7 0.000* Yes 18 54.5 0 0 18 27.3 Alterations in oral mucosa No 17 51.5 33 100 50 75.8 0.000* Pallor 14 42.4 0 0 14 21.2 Petechiae 1 3 0 0 1 1.5 Gingival bleeding 1 3 0 0 1 1.5 Oral Hygiene Index Good 9 27.3 15 45.5 24 36.4 0.13 Regular 24 72.7 18 54.5 42 63.6 Enamel hypoplasia No 13 39.4 33 100 46 69.7 0.000* A 4 12.1 0 0 4 6.1 B 8 24.2 0 0 8 12.1 C 2 6,1 0 0 2 3 D 2 6.1 0 0 2 3 E 1 3 0 0 1 1.5 F 3 9,1 0 0 3 4.5 Oral candidiasis Negative 25 75.8 28 84.8 53 80.3 0.35 Positive 8 24.2 5 15.2 13 19.7 *p<0.05 significant, +Chi squared Materials and Methods or dmft used, respectively), according to the index. We also used the Jackson-Al-Alousi Index [14] for enamel hypoplasia. This study is a cross-sectional analysis of two independent groups. Children with CRF came from the Pediatric Nephrology Unit of Smears were performed in oral mucosa (dorsum of the tongue Cayetano Heredia National Hospital, Lima-Peru. Controls attended or buccal mucosa) using a Periodic Acid-Schiff (PAS) reagent to the Department of Oral and Maxillofacial Radiology, Faculty of determine the presence of Candida hyphae. Dentistry, of Cayetano Heredia University (CHU), Lima-Peru. The Panoramic radiographs of the jaws were taken on a digital protocol was approved by the CHU Ethics Committee. Parents and panoramic unit, a Sirona Orthophos XG3®. The radiographs were patients gave written informed consent to participate. labeled in the database system; the radiologist who made the The inclusion criteria used to select patients were under 18 years observations (in a dark environment) was blinded to patient identity of age and the presence of the 7 permanent lower left teeth visible in and age. a radiograph. The following digital panoramic radiograph data were collected: The same dentist carried out the oral examinations and took Radiographic signs of osteopenia (trabeculae in the jaw, loss of smears of oral mucosa. An oral and maxillofacial pathologist at the lamina dura and alveolar bone lytic areas) and mandibular cortical Department of Medicine, Surgery and Oral Pathology, CHU, was shape assessed by the mandibular cortical index according to Klemetti responsible for reading and interpreting the smears of oral mucosa. [15]. The radiological interpretation was conducted by an oral and maxillofacial radiologist of the Department of Oral and Maxillofacial The results obtained in this study were analyzed using SPSS Radiology, CHU. The following oral examination data were collected: version 20. The Chi square test was used to compare the clinical xerostomia using a test palette (criterion used at the Department and radiological oral manifestations observed between the study of Medicine, Surgery and Oral Pathology, CHU), uremic breath and control groups. Mann-Whitney U, Kruskal-Wallis and one-way determined by detecting a urine smell on the patient’s breath by ANOVA tests were used to determine the relationship between the asking the patient to exhale air through the mouth, and the presence duration of illness and duration of renal therapy in patients with of alterations in oral mucosa. For the accumulation of dental plaque, clinical and radiological oral manifestations. The Chi square test was we used Greene and Vermillion’s Oral Hygiene Simplified Index used to determine the relationship between the history of secondary (OHI-s) [13]. We recorded the number of locations with decayed, hyperparathyroidism and any radiological manifestations. Statistical missing, and filled teeth, both permanent and deciduous (DMFT and/ significance was set at a value of p<0.05. Submit your Manuscript | www.austinpublishinggroup.com Austin J Nephrol Hypertens 5(1): id1077 (2018) - Page - 02 Rivas UO and Loza R Austin Publishing Group Table 2: Radiological oral manifestations observed between patients with and without CRF. GROUP Total p+ With CRF (n=33) Without CRF (n=33) Manifestations Categories n % n % n % C1 28 84.8 33 100 61 92.4 0.06 Form of mandibular cortex* C2 3 9.1 0 0 3 4.5 Uremic breath C3 2 6.1 0 0 2 3 Yes 18 54.5 0 0 18 27.3 Radiological signs of osteopenia in the jaw None 19 57.6 31 93.9 50 75.8 0.000** Reduced trabeculation 0 0 2 6.1 2 3 Loss of alveolar hard film 10 30.3 0 0 10 15.2 Lithic areas in the bone 4 12.1 0 0 4 6.1 *mandibular cortical index by Klemetti **p<0.05 significant, +Chi squared.
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