Ellis-van Creveld (EvC) syndrome or chondroectodermal dysplasia is an autosomal recessive disorder with characteristic clinical manifestations. The four principal characteristics are chondrodysplasia, polydactyly, ectodermal dysplasia and congenital heart defects. Its incidence in the general population is low. The oral manifestations of EvC syndrome include both soft tissues and teeth, but the dental literature on the subject is scarce. The present case describes the constant and variable oral findings in these patients, which can be diagnosed at any age, even during pregnancy. The presence of a variety of oral manifestations, such as fusion of upper lip to the gingival margin, presence of multiple frenula, abnormally shaped and microdontic teeth and congenitally missing teeth requires multidisciplinary dental treatment, with consideration for the high incidence of cardiac defects in these patients.

Background: Endodontic irrigants have an important role in endodontic treatment of primary teeth, owing to their complex anatomy. Quercetin is a natural flavonoid that exhibits significant antimicrobial properties. Objective: To evaluate the antimicrobial activity of 0.2% chlorhexidine, 1% (w/v) quercetin, and 2% (w/v) quercetin against endodontic pathogens in primary molars. Materials and methods: A total of 15 patients of 4-7 years of age with nonvital carious primary molars were selected. A sample from the root canal was obtained using number 15 paper point. Antimicrobial activity was measured using the disk diffusion method, for the following solutions: group I: 0.2% chlorhexidine solution, group II: 1% w/v quercetin solution, and group III: 2% w/v quercetin solution. For each sample, microbial culture was done under the microaerophilic condition. After 24 hours, the maximum inhibition zone was recorded in millimeters. Results: The highest inhibition was shown by group I, 13.13 ± 0.74, followed by group III, 12.00 ± 0.65, and the lowest in group II, i.e., 8.53 ± 0.63. On comparison between groups, statistically significant difference was noted. Conclusion: Maximum antimicrobial activity was shown by 0.2% chlorhexidine, followed by 2% quercetin that showed significant antimicrobial activity against endodontic pathogens in primary molars.

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Radicular cysts in the primary dentition are rare, whereas they are most commonly occurring in the permanent dentition. We present a rare case of a radicular cyst associated with a non vital deciduous maxillary canine tooth with a history of trauma. The permanent canine was impacted due to the cyst. After the enucleation of the cyst, we observed a spontaneous eruption of the permanent canine. Our aim is to emphasize the early recognition and intervention of inflammatory radicular lesions associated with deciduous anterior teeth which otherwise may adversely impact the underlying permanent successor.