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Prevalence and distribution of selected developmental dental anomalies in an Indian population.
J Oral Sci. 2011 Jun; 53(2):231-8.JO

Abstract

The purpose of this study was to determine the prevalence of developmental dental anomalies in an Indian population and to statistically analyze the distribution of these anomalies. The study was based on clinical examination, evaluation of dental casts, and panoramic radiographs of 1123 Indian subjects (572 males, 551 females), who visited the outpatient clinic at Government Dental College, Indore between November 2009 and September 2010, after obtaining their informed consent. These patients were examined for the following developmental dental anomalies: shape anomalies (microdontia, talon cusp, dens evaginatus, fusion, taurodontism), number anomalies (hypodontia, oligodontia, anodontia), structural anomalies (amelogenesis imperfecta, dentinogenesis imperfecta) and positional anomalies (ectopic eruption, rotation, impaction). The percentages of these anomalies were assessed for the whole group and compared using statistical analysis. Among the 1123 subjects, a total of 385 individuals (34.28%) presented with the selected developmental dental anomalies. The distribution by sex was 197 males (34.44%), and 188 females (34.06%). Out of the total 1123 individuals, 351 (31.26%) exhibited at least one anomaly, 28 (2.49 %) showed two anomalies and 6 (0.53%) displayed more than two anomalies. P values indicated that the dental anomalies were statistically independent of sex. On intergroup comparison, positional anomalies were significantly most prevalent (P < 0.05) in the Indian population. The most common developmental dental anomaly was rotation (10.24%), followed by ectopic eruption (7.93%). The next common group was number anomalies. The most common number anomaly was hypodontia (4.19%), which had a higher frequency than hyperdontia (2.40%). Analyzing the next prevalent group of shape anomalies, microdontia (2.58%) was found to be the most common, followed by taurodontism (2.49%), dens evaginatus (2.40%) and talon cusp (0.97%). Dentinogenesis imperfecta (0.09%) was the rarest, followed by amelogenesis imperfecta (0.27%) and fusion (0.27%).

Authors+Show Affiliations

Department of Conservative Dentistry and Endodontics, Government Dental College, Indore, Madhya Pradesh, India.No affiliation info availableNo affiliation info availableNo affiliation info available

Pub Type(s)

Comparative Study
Journal Article

Language

eng

PubMed ID

21712629

Citation

Gupta, Saurabh K., et al. "Prevalence and Distribution of Selected Developmental Dental Anomalies in an Indian Population." Journal of Oral Science, vol. 53, no. 2, 2011, pp. 231-8.
Gupta SK, Saxena P, Jain S, et al. Prevalence and distribution of selected developmental dental anomalies in an Indian population. J Oral Sci. 2011;53(2):231-8.
Gupta, S. K., Saxena, P., Jain, S., & Jain, D. (2011). Prevalence and distribution of selected developmental dental anomalies in an Indian population. Journal of Oral Science, 53(2), 231-8.
Gupta SK, et al. Prevalence and Distribution of Selected Developmental Dental Anomalies in an Indian Population. J Oral Sci. 2011;53(2):231-8. PubMed PMID: 21712629.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Prevalence and distribution of selected developmental dental anomalies in an Indian population. AU - Gupta,Saurabh K, AU - Saxena,Payal, AU - Jain,Sandhya, AU - Jain,Deshraj, PY - 2011/6/30/entrez PY - 2011/6/30/pubmed PY - 2011/11/4/medline SP - 231 EP - 8 JF - Journal of oral science JO - J Oral Sci VL - 53 IS - 2 N2 - The purpose of this study was to determine the prevalence of developmental dental anomalies in an Indian population and to statistically analyze the distribution of these anomalies. The study was based on clinical examination, evaluation of dental casts, and panoramic radiographs of 1123 Indian subjects (572 males, 551 females), who visited the outpatient clinic at Government Dental College, Indore between November 2009 and September 2010, after obtaining their informed consent. These patients were examined for the following developmental dental anomalies: shape anomalies (microdontia, talon cusp, dens evaginatus, fusion, taurodontism), number anomalies (hypodontia, oligodontia, anodontia), structural anomalies (amelogenesis imperfecta, dentinogenesis imperfecta) and positional anomalies (ectopic eruption, rotation, impaction). The percentages of these anomalies were assessed for the whole group and compared using statistical analysis. Among the 1123 subjects, a total of 385 individuals (34.28%) presented with the selected developmental dental anomalies. The distribution by sex was 197 males (34.44%), and 188 females (34.06%). Out of the total 1123 individuals, 351 (31.26%) exhibited at least one anomaly, 28 (2.49 %) showed two anomalies and 6 (0.53%) displayed more than two anomalies. P values indicated that the dental anomalies were statistically independent of sex. On intergroup comparison, positional anomalies were significantly most prevalent (P < 0.05) in the Indian population. The most common developmental dental anomaly was rotation (10.24%), followed by ectopic eruption (7.93%). The next common group was number anomalies. The most common number anomaly was hypodontia (4.19%), which had a higher frequency than hyperdontia (2.40%). Analyzing the next prevalent group of shape anomalies, microdontia (2.58%) was found to be the most common, followed by taurodontism (2.49%), dens evaginatus (2.40%) and talon cusp (0.97%). Dentinogenesis imperfecta (0.09%) was the rarest, followed by amelogenesis imperfecta (0.27%) and fusion (0.27%). SN - 1880-4926 UR - https://www.unboundmedicine.com/medline/citation/21712629/Prevalence_and_distribution_of_selected_developmental_dental_anomalies_in_an_Indian_population_ L2 - http://japanlinkcenter.org/JST.JSTAGE/josnusd/53.231?from=PubMed DB - PRIME DP - Unbound Medicine ER -