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Distribution of filled, decayed and missed teeth in North West of Tehran
Mr. Eshraghian , B. Kanzali ,
Volume 11, Issue 3 (6-1998)
Abstract

The purpose of this article is to study distribution of DMF(T) and its D,M and F protions exactllly. 1500 subjects were examined clinicaly. They were 5 to 70 years old, with average 24 years. Only cavitated and coronal dental caries included in this research.

 The results of this study are:
1. The caries lesions of upper and lower second permolars are equal.
2. Anterior to second premolars, the DMF(T) of upper jaw teeth is higher than lower jaw's one. Conversely posterior to second premolars, lower jaw teeth has higher DMF(T).
3. Deciduous teeth of females have lower DMF(T).
4. Permanent teeth of females have higher DMF(T).
5. The upper Canines of females are exceptions. Upper canines of females have lower DMF(T) than males' ones.
6. It seems that sex hormones influence DMF(T) through Saliva and eruption time of teeth.
7. Susceptibility to Caries relates to microbial plaque formation and salivary protection.
8. The females have more filled teeth than males.


DMFT evaluation of Upper and Lower First Permanent Molars in Patients examined in Oral Medicine &Diagnosis Department at Faculty of Dentistry, Tehran University of Medical Sciences (1997)
F. Aghahosseini , M. Enshaei ,
Volume 14, Issue 4 (1-2002)
Abstract
Epidemiologic studies have shown that caris or "infective damage of hard tissues in teeth" are the most common type of infection in human. In Iran, a few studies have investigated this hygienic problem, but no practical results have been defined yet. In this research, the conditions of the first upper and lower permanent molars (it contains four minor variables), have investigated. For this reason, in a descriptive analytic study, which was of retrospective and cross- sectional type, one thousand files were chosen systematically. The data were analysed by SPSS packages. The mean values of DMFT for permanent first molars were 3.47±0.50 (MT-1.23, FT=0.86, DT-1.38). The number of extracted teeth in mandible was moer than maxilla and the number of untreated caries teeth in maxilla was more than mandible (PO.001). DMFT ratio of the first molars to total DMFT, was approximately 29%, which indicates that caries and that complications on the first molars, make the main part of the overall DMFT. Therefore, hygiene training, preventive methods and the improvement of ecomonical status seem necessary in dental services.
An evaluation of the average DMF in hemodialyzed patients
S. Arami , H. Foladi ,
Volume 16, Issue 2 (5-2003)
Abstract

Statement of Problem: Rapid increases in the population of hemodialyzed patients induce the dentists to acquire a complete understanding of the special therapeutic considerations for such patients.

Purpose: The goal of this research was to study the amount of DMF in hemodialyzed patients, age ranging from 12-20 years, in the city of Tehran.
Materials and Methods: In this cross- sectional and analytic- descriptive research, 50 kidney patients (27 mail and 23 females), with the age range of 12-20 years were selected. They had referred to one of the following hospitals for hemodialysis: Imam Khomeini, Children Medical Center Fayyazbakhsh, Haft-e-Tir, Ashrafi Esfahani, Labafinejad and Hasheminejad. The data, based on clinical examination, patient's answers, patient's medical files, parents replies, were collected and analyzed by Chi- Square test.

Results: The average DMF, for. patients under study was 2.46, comparing to the normal subjects of the society, no significant difference was observed. Factors such as sex, Mother's education, oral hygiene and the number of daily brushing did not show any statistically significant difference about this index. The results also showed a 38% prevalence of severe gingivitis and 32% of moderate gingivitis.

Conclusion: This restricted study emphasizes the necessity to use proper preventive methods and to improve the patient's and parents' knowledge about oral and dental health.


Evaluation of severity of dental caries in primary teeth among children 5-7 years-old in Tehran in 2016
Hossein Hessari, Mona Hamedani Golshan,
Volume 29, Issue 3 (10-2016)
Abstract

Background and Aims: This study aimed to assess the severity of tooth decay and related factors in children 5-7 years old, in 2016, in Tehran.

Materials and Methods: A descriptive and cross-sectional study was performed on 572 children aged 5-7 years old (300 girls and 272 boys) in public schools in Tehran, Iran. Severity of dental caries (number of decayed, missing, filled surfaces) recorded for C, D and E teeth according to WHO criteria. Data analysis was performed by Backward Linear Regression Analyses using SPSS 20 (P≤0.05).

Results: Assessment of dental caries severity according to the number of decayed surfaces showed generally higher figures in upper jaw. The order of average severity of carious teeth was C, E and D from low to high in both jaws. According to the results of Linear Regression Analysis, severity of dental caries was more than other children in boys (OR=1.83, 95%CI: 0.81-2.8), those visited dentist due to dental problems associated with pain (OR=1.17, 95%CI: 0.73-1.6), and those without fluoride therapy (OR=1.64, 95%CI: 0.58-2.6) in C, D and E teeth.

Conclusion: Flow the results, it was concluded that gender, level of mother's education, type of snack consumption, start age of tooth brushing, reason for dental visit and fluoride therapy affected severity of tooth decay.


Evaluation of the impact of health transformation plan on oral and dental health indicators in Guilan Province-Iran
Maryam Rabiei, Mohammad Hossein Heidari, Enayatollah Homaei Rad, Mohammad Samami,
Volume 36, Issue 0 (5-2023)
Abstract
Background and Aims: The evaluation of the results of health transformation plan in dentistry, which started in March 2016 with the aim of improving oral and dental health, is extremely important in order to improve planning for future actions. Therefore, the purpose of the present study was to evaluate the effect of the health transformation plan on common oral health indices in Guilan province in Iran.
Materials and Methods: This cross-sectional analytical study was performed using the Health Deputy of Guilan University of Medical Sciences data and results of the general population and housing census of the 2010 and 2015. Data analysis was done using Ordinary Least Squares regression method, considering dependent variables including DMFT, dmft and periodontal disease indices (CPI) and independent variables including gender, education, urban or rural residence, percentage of 13-year-old population, illiteracy rate, fertility rate and being or not in the transformation plan, to investigate the difference between the two groups before and after the implementation of the transformation plan in terms of variables and to examine the relationship between independent and dependent variables. Finally, data were analyzed by STATA SE software version 15.
Results: The health transformation plan did not have a significant relationship with the change of DMFT and CPI 2 to CPI 6 indices, but had succeeded in reducing dmft and CPI1 (P<0.05), which reduction in CPI1 index was not desirable.
Conclusion: It seems that despite the extensive activities of the health transformation plan in dentistry in the field of prevention and treatment, there is still a need for more changes, especially in terms of culture and education. Also, there is need to provide more facilities for access to services by all sections of the society, especially the weak sections for healthcare.

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