ABSTRACT 
AIM: 
Relevance of variation in the angulation of palatal throat to the Occlusal  plane among the South Indian population.
    
MATERIALS AND METHODS:
About three hundred South Indian people of various age groups were chosen. the informed consent of people were obtained and the type of Angulation of palatal throat form to the occlusal plane of males and females were jotted down and the results were statistically analysed and compared.
        
RESULTS:
                   we can know the variation in the palatal throat form among the males and the females in the participants. We can know that the class 1 type of palatal throat form is more among the females than the males, the class 2 type of palatal throat form is more among the males than the females. And the class 3 type of palatal throat form is more among the males than in the females, on the whole we can say that the class 1 is prominent in females and both class 1 and class 2 are prominent in males among the participants. 300 participants took part in this calculations and the results obtained were statistically analysed. It is found that the maximum number of people have class 2 type of palatal throat. About 40% of the population has class 2 and the next maximum occurrence is class 1 palatal throat form which is present in 35% and the minimum number of population has class 3 type of palatal throat form.It is about 24%. Hence the variations were analysed.
CONCLUSION :
                      Palatal throat is an important anatomical landmark in retention of complete dentures and hence its study is important to correlate it with complete denture. Hence the comparison of angulation of palatal throat form between males and females among various age groups was done and statistically analysed. We come to know that the class 2 type of palatal throat form was most prevalent among the South Indian population.

        KEY WORDS:     
                       Palatal throat, occlusal surface, prosthodontics, variation, soft palate. INTRODUCTION:     In complete denture prosthodontics, the dentist has the work of restoring the complete occlusion for the patients. (1). The restoration of an occlusion that is compatible, is one of the key factors in determining the prognosis of a completely edentulous patient. (2)The most important factor that helps us in the development of such occlusion is the orientation of the occlusal plane. Occlusal plane is the average plane established by the incisal and occlusal surfaces of the teeth; it is not a plane but represents the planar mean of the curvature of the surfaces. Any defect in the occlusal surface is termed as malocclusion.(3,4)Further, the soft palate is classified into 3 forms which is given by house’s classification:-House’s palatal throat form classification:-(5,6)

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    Based on the imaginary line drawn between the Hamilcar notches, it is classified as:
MATERIALS AND METHODS:About three hundred South Indian people of various age groups were chosen. the informed consent of people were obtained and the type of Angulation of palatal throat form to the occlusal plane of males and females were jotted down and the results were statistically analysed and compared. RESULTS AND DISCUSSION :

AGE GROUPS OF THE SOUTH INDIAN PEOPLE 

No. Of people showing CLASS 1 palatal throat form 

No.of people showing CLASS 2 palatal throat form

No. Of people showing CLASS 3 palatal throat form

7-25 years
(Total=82 people)

29

33

20

26-60 years (total =120 people)

43

48

29

61 and above
(total =98 people)

34

39

25

Total no.of people=300

Total= 106

Total= 120

Total =74

The palatal throat form of the South Indian population of various age groups were observed. 300 participants took part in this calculations and the results obtained were statistically analysed.                    It is found that the maximum number of people have class 2 type of palatal throat. About 40% of the population has class 2 and the next maximum occurrence is class 1 palatal throat form which is present in 35% and the minimum number of population has class 3 type of palatal throat form.It is about 24%. Hence the variation is analysed.                    Similarly, on observing the table as well as the bar graph above, we can know the variation in the palatal throat form among the males and the females in the participants. We can know that the class 1 type of palatal throat form is more among the females than the males, the class 2 type of palatal throat form is more among the males than the females. And the class 3 type of palatal throat form is more among the males than in the females, on the whole we can say that the class 1 is prominent in females and both class 1 and class 2 are prominent in males among the participants.         CONCLUSION :                      Palatal throat is an important anatomical landmark in retention of complete dentures and hence its study is important to correlate it with complete denture.(18) Hence the comparison of angulation of palatal throat form between males and females among various age groups was done and statistically analysed. We come to know that the class 2 type of palatal throat form was most prevalent among the South Indian population. Finally, 17.6% of participants claim that they would like to try it if it is accessible.            The dental tattoos give a stylish look and appearance to the dental restorations .smile is a piece of art and who would have expected the art can be drilled into the teeth. The dental tattoos are actually drilled into the crown portion of the tooth and in case of the permanent tattoos, it does not wear off over time. Many people especially teenagers are in the want of inking their teeth to create a stylish look. Precisely, the dental tattoos are the designs drilled into the artificial tooth crown before it is cemented on the tooth structures, labially or lingually.             Historical evidence shows that in 1835 and 1849, the burnt bodies of Countess of Salisbury and Dr. Goerge Parkman, who was a professor in Harvard University was found out  by their gold dentures(21). Hence, our study aims at spreading awareness of this dental tattoos.People of various age groups were chosen to take up the survey where 61.1% of the people who attended survey were teenagers. And among the people who took up the survey, 41.2% of the people feel that the accessories are very much important for them and the others feel that it is not so important. 48.1% of the people confess that they have wished to get a tattoo. Among the people who took up the survey, 86.2% of the population has not heard of dental tattoos before and the remaining 13.8% people have heard of dental tattoos before. This shows that most of the people are not aware that there is something called dental tattoos that exists. 14.5% of the people who took up the survey feel that tattoos look good on teeth while the remaining people feel that it doesn’t look good on the teeth. This might be because many of them do not generally have a good impression on tattoos and so the idea of dental tattoos might make them have fears of causing damage to the tooth structures or undergoing a painful process. In the next question from the survey, which asks the people if they feel dental tattoos cause harm to the tooth structures, 77.7% of the people feel that it might harm while the remaining population feels that it won’t cause harm. Further the participants claim that only 3.1% of the people have found people with dental tattoos in their surroundings/locality. This shows that it is not so widely spread among the South Indian people. Further, 80% of the participants feel that it is unnecessary / waste of time, money and energy to go for dental tattoos. 82.3% people feel that it doesn’t suit their culture. Some people might also feel that it gives a bad impression on the people who see them from outside.

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