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SHORT COMMUNICATION  
Year : 2011  |  Volume : 36  |  Issue : 4  |  Page : 301-303
 

Dentition status, treatment needs and dental aesthetic index scores of individuals attending special schools


1 Department of Public Health Dentistry, Yenepoya Dental College, Yenepoya University, Nithyananda Nagar P.O, Deralakatte, Mangalore, India
2 Department of Oral Medicine and Radiology, Yenepoya Dental College, Yenepoya University, Nithyananda Nagar P.O, Deralakatte, Mangalore, India
3 Department of Community Dentistry, AJ Institute of Dental Sciences, Mangalore, India

Date of Submission09-Jan-2011
Date of Acceptance20-Sep-2011
Date of Web Publication3-Jan-2012

Correspondence Address:
Rekha P Shenoy
102, Mithila Apartments, Karangalpady, Mangalore -575 003
India
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/0970-0218.91419

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How to cite this article:
Shenoy RP, Hegde V, Shenai PK. Dentition status, treatment needs and dental aesthetic index scores of individuals attending special schools. Indian J Community Med 2011;36:301-3

How to cite this URL:
Shenoy RP, Hegde V, Shenai PK. Dentition status, treatment needs and dental aesthetic index scores of individuals attending special schools. Indian J Community Med [serial online] 2011 [cited 2019 Jul 22];36:301-3. Available from: http://www.ijcm.org.in/text.asp?2011/36/4/301/91419



   Introduction Top


Dentists today are more familiar with the subject of individuals with special health care needs although very few with this condition seek their services. [1] Dental caries is the most prevalent oral disease among children in most of the developing countries. [2] Disabled individuals tend to have a higher incidence of dental caries as a result of inadequate plaque removal due to motor, sensory and intellectual disabilities. [1],[3],[4] Malocclusion too affects oral health and increases caries prevalence. [5] Data on prevalence of dental caries, malocclusion and treatment need among those with special needs in India is scarce.

Locally relevant data are needed for designing effective oral health preventive programmes for these individuals. Hence, this study conducted to: (1) determine their dentition status and treatment need using World Health Organization (WHO) criteria, and (2) evaluate for the presence of dentofacial anomalies according to Dental Aesthetic Index (DAI) criteria.


   Materials and Methods Top


A cross-sectional study was undertaken from September 2009 - January 2010 at schools for the disabled in Mangalore.

Survey administration: There are five special schools for the disabled in Mangalore. Institutional authorities of three schools accorded consent for conducting the survey. In the absence of parental consent, the Head of Institution's deemed consent was accepted. Ethical clearance was granted by the Institutional Review Board.

Data collection

A pre-tested proforma was used for recording socio-demographic variables and oral status. Oral examinations were performed by two trained and calibrated examiners, with the assistance of recording clerks, under natural daylight with subjects seated on simple chairs. Before the survey, they participated in training and calibration exercises. Kappa values for inter- and intra-examiner reliability ranged between 0.80 and 0.84.

Dental caries [Dentition Status and Treatment Need] and malocclusion (according to components of DAI) were recorded according to the WHO, 1997 criteria. [5] Investigators made multiple visits to the institutions to ensure examination of all enrolled individuals.

After examination, a report on oral status of each subject was handed over to the institutional authorities and the subjects' parents. Arrangements were made to provide free dental care for those requiring treatment. Caregivers at the schools were educated about oral hygiene maintenance.

Statistical analysis

Data obtained were analyzed using the SPSS Version 17.0. Differences in proportions between genders were compared using the Chi squared (χ2 ) test, Fisher's exact test and Mann-Whitney U test. A P value of <0.05 was considered to be statistically significant.


   Results Top


Coverage

Of the 281 enrollees, 19 individuals who were severely disabled or refused examination were excluded from the study [participation rate = 93.2%]. The sample consisted of 156 male (59.5%) and 106 female (40.5%) subjects in the age range of four to 40 years (mean age 13.06 ± 4.62 years).

Dental caries prevalence

75.19% subjects had dental caries of which 64.12% lesions remained untreated, 6.12% teeth had been extracted and 4.96% teeth had restorations. Mean DMFT was 2.61 ± 2.90 (males: 2.46 ± 2.87, females: 2.83 ± 2.96; P = 0.223). Mean number of decayed teeth was 2.35 ± 2.63 (males: 2.24 ± 2.72, females: 2.50 ± 2.49; P = 0.183); mean number of missing teeth was 0.14 ± 0.74 (males: 0.10 ± 0.48, females: 0.19 ± 1.01; P = 0.764); and mean number of filled teeth 0.12 ± 0.69 (males: 0.12 ± 0.74, females: 0.13 ± 0.62; P = 0.659).

[Table 1] and [Table 2] show the distribution of subjects according to gender and the number of decayed and filled teeth, respectively. Evaluation of the number of missing teeth among subjects revealed that 4.6% had 1-2 missing teeth while 1.5% had ≥3 missing teeth (P = 0.922).
Table 1: Distribution of subjects based on the number of decayed teeth present

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Table 2: Distribution of subjects based on the number of filled teeth present

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Need for 'one surface filling'

16% needed one, 14.5% needed two, 9.5% needed three, 3.8% needed six, and 2.3% needed ≥7 one surface fillings, respectively (P = 0.835).

Need for 'two or more surface fillings'

4.6% subjects needed one 'two or more surface fillings' while 5% needed two 'two or more surface fillings' (P = 0.456).

Need for 'pulp care and restoration'

Was found among 1.9% subjects (P = 0.651, Fisher's exact test).

Need for 'extractions'

7.3% subjects needed one, 5% subjects needed two, and 3.1% subjects needed four extractions, respectively (P = 0.382).

Need for 'crown for any reason'

1.1% subjects needed a single crown while 2.3% subjects had two teeth that required crowns (P = 0.405).

'Need for other care' (i.e., partial dentures)

3.4% required a one-unit prosthesis, 1.5% needed multi-unit prostheses, and 1.5% required a combination of one- and/or multi-unit prostheses (P = 0.947).

Prevalence of malocclusion

The DAI is used from 12 years of age. Therefore, in this study, DAI criteria were applicable only to 164 subjects [Table 3]. Prevalence of definite to very severe malocclusion was 23.2%, which was the orthodontic treatment need.
Table 3: Distribution of subjects based on their DAI scores

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   Discussion Top


Coverage

The male predominance encountered seen here has also been reported by Denloye [1] and Simon, et al. [6]

Dental caries prevalence

It was similar to that reported by Rao, et al.,[2] but higher than reported by Bhowate, et al. [7] Decayed component constituted a major part of the DMFT scores. [3],[6],[8] Mean DMFT was higher than reported by Oredugba, et al., [4] comparable to the findings of Nallegowda, et al.,[9] but lower than found by Rao et al.,[3] and Jokic et al. [3] Caries free subjects (n = 65) numbered less than reported by Oredugba, et al.,[4] and Ajami, et al. [10] In contrast to this study, Simon, et al.[6] found that none of their subjects had filled teeth.

Need for restorations/pulp care/extractions

Oredugba, et al.[4] reported that 33.3% subjects required fillings while Simon, et al.[10] found that 23% required mainly one and two surface fillings, higher than found here.

Prevalence of malocclusion

It was lower than reported by Oredugba, et al., [4] Bhowate, et al., [7] Ajami, et al.,[10] and Nallegowda et al. [9] Al-Sarheed et al.[8] found an orthodontic treatment need of 20-30% while Oredugba, et al.[4] found that 7.4% subjects required orthodontic treatment.


   Conclusion Top


The three institutions surveyed were privately managed and patronized by individuals from upper and middle class families. Still, a high prevalence of unmet need existed among the study population. These findings underscore the need for detailed local research on feasible and effective oral disease control programmes for the disabled.

 
   References Top

1.Denloye OO. Oral hygiene status of mentally handicapped school children in Ibadan, Nigeria. Odontostomatol Trop 1998;21:19-21.  Back to cited text no. 1
    
2.Rao DB, Hegde AM, Munshi AK. Caries prevalence amongst handicapped children of South Canara district, Karnataka. J Indian Soc Pedod Prev Dent 2001;19:67-73.  Back to cited text no. 2
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3.Ivancić Jokić N, Majstorović M, Bakarcić D, Katalinić A, Szirovicza L. Dental caries in disabled children. Coll Antropol 2007;31:321-4.  Back to cited text no. 3
    
4.Oredugba FA, Akindayomi Y. Oral health status and treatment needs of children and young adults attending a day centre for individuals with special health care needs. BMC Oral Health 2008;8:30.  Back to cited text no. 4
    
5.World Health Organization. Oral Health Surveys: Basic Methods, 4 th ed. Geneva: WHO; 1997.  Back to cited text no. 5
    
6.Simon EN, Matee MI, Scheutz F. Oral health status of handicapped primary school pupils in Dar Es Salaam, Tanzania. East Afri Med J 2008;85:113-7.  Back to cited text no. 6
    
7.Bhowate R, Dubey A. Dentofacial changes and oral health status in mentally challenged children. J Indian Soc Pedod Prev Dent 2005;23:71-3.  Back to cited text no. 7
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8.Al-Sarheed M, Bedi R, Hunt NP. Orthodontic treatment need and self-perception of 11-16- year-old Saudi Arabian children with a sensory impairment attending special schools. J Orthod 2003;30:39-44; discussion 22.  Back to cited text no. 8
    
9.Nallegowda M, Mathur V, Singh U, Prakash H, Khanna M, Sachdev G, et al. Oral health status in Indian children with cerebral palsy - a pilot study. Am J Physical Med Rehabil 2005;16:1-4.  Back to cited text no. 9
    
10.Ajami BA, Shabzendedar M, Rezay YA, Asgary M. Dental treatment needs of children with disabilities. J Dent Res Dent Clin Dent Pros 2007;1:93-8  Back to cited text no. 10
    



 
 
    Tables

  [Table 1], [Table 2], [Table 3]


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