Students' preferences regarding teaching methodology in dental education - a cross-sectional study

INTRODUCTION

The goal of dental education is to prepare competent ethical professionals with critical thinking, reasoning and analyzing skills along with ability of application of clinical skills and judgement in treating a patient. The present study was designed with the objective to elicit the preferences of dental students regarding the utility of the prevailing teaching and learning methods and teaching aids.

MATERIAL AND METHODS

A cross-sectional study was conducted among undergraduate dental students. Study population consisted of 382 dental students. A self-designed close-ended questionnaire written in English was constructed specifically for the study. The questionnaire was divided into two sections. Information regarding various teaching and learning methods both in theory and practical/clinical classes was obtained from the students. Results were calculated using numbers and percentages only.

RESULTS

The mean age of the students was 20.49 + 2.4 years. Problem based learning (PBL) was rated very useful by 76% (290) and useful by 24% (92) of subjects. Performing clinical/practical procedure individually rather than in group was rated very useful by 31% (118) of subjects. Use of power-point along with the blackboard was rated as the most useful method by 95% (363) of subjects. Majority of subjects (61%, 233) felt that 40 minutes duration of lecture was more useful as compared to 30 minutes.

CONCLUSIONS

Our study concludes that dental students prefer active teaching learning methodologies and combination of audiovisual aids. Hence it is suggested that collaboration of different active teaching methods and aids should be adopted by the teachers in order to enhance the student learning process.

Oral health knowledge and awareness among pregnant women in India: A systematic review

Pregnancy is a unique period during a woman's life and is characterized by complex physiological changes, which may adversely affect oral health. The present systematic review was conducted to assess knowledge and awareness regarding oral health among pregnant women in India. Relevant cross-sectional observational studies were included in the systematic review to assess the level of knowledge and awareness regarding oral health among pregnant women in India. Seven studies out of 255 were finally included in the present review after conducting both electronic and manual search of scientific databases. Potential biases were reported and appropriate data were extracted by the concerned investigators. Almost 67% of the subjects had good knowledge and awareness regarding oral health in one of the study findings. Knowledge regarding effect of decayed teeth on the appearance of the people was significantly related to the parity status of the subjects (P = 0.024) in other study reports. Very few subjects (17.1% and 37.5%) felt the need for visiting a dentist during pregnancy in two studies. The results of the present review showed that pregnant women had poor knowledge and awareness regarding oral health. Therefore, there is an urgent need for education and motivation of expectant mothers regarding oral health through various health promotion interventions.

Periodontal health status and treatment needs of the rural population of India: A cross-sectional study

Background:

Periodontal disease is of public health concern and hence data on its prevalence rate are necessary. We have documented the prevalence pattern of periodontal disease in a rural population of Belgaum district, India, and identify the optimal treatment needs (TNs).

Materials and Methods:

A cross-sectional study was carried on 1680 dentate adult subjects, examined from 12 villages in Belgaum district, Karnataka, India for prevalence of periodontal status and their TNs (using Community Periodontal Index for Treatment Needs [CPITN]).

Results:

Increase in CPITN score positively correlated with age. Only 4.3% (13) of subjects in the age-group of 20-29 had a CPITN score of 4 indicative of pockets of 6 mm or more when compared to 26% (91) of subjects in the age-group of 45-60 years. 92% (569) of the subjects in the age-group of 30-44 were having a TN score 2 whereas only 5.3% (33) of subjects were having a TN score 0 in the same age-group. Significantly higher need for treatment was observed in males, smokers and subjects using finger and tooth powder. Surprisingly diet of the subjects did not influence TNs.

Conclusion:

Increased prevalence of periodontal diseases and TNs was observed. There is a need for initiating adequate awareness regarding oral hygiene, specifically primary prevention could help in reducing the prevalence of periodontal disease.

Cardiovascular response to acute cold stress in non-obese and obese healthy adults

BACKGROUND

Obesity is a global epidemic with important health care and financial implications. The cold pressor test (CPT) which is considered to be a sympathy-excitatory manoeuvre is a simple, noninvasive and validated test. The objective of this study was to assess and compare the cardiovascular response to cold pressor test in non-obese and obese healthy adults.

METHODS

The study included 400 subjects, of which the study group included 200 adults who had body mass index (BMI) of more than 30 Kg/m,(2) and 200 non-obese adults were enrolled as controls with BMI less than 25 kg/m(2). The study was conducted for a period of two months. CPT was used to assess cardiac response to acute cold exposure in the present study. Baseline systolic and diastolic blood pressure recording was done using mercury sphygmomanometer during resting condition and following cold pressor test. The results were expressed as mean, standard deviation, and data were analyzed using ANOVA test. P < 0.05 was considered statistically significant.

RESULTS

The mean change in systolic blood pressure before and after cold pressor test (CPT) was less in obese (7.12 ± 5.28) as compared to non-obese subjects (10.38 ±6.35). This was statistically significant which indicates impaired sympathetic function in otherwise healthy obese.

CONCLUSION

The study concluded that blood pressure response to cold pressor test was reduced in obese compared to non-obese subjects indicating reduced sympathetic activity in healthy obese adults.