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AI InsightWhen type 5 LM or type 4 CPM is seen on one side of the ramus, it may indicate that there is more than one variation in that person and give a clue about the individual's ethnicity and effects on surgery.
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Özet
ABSTRACT Introduction: This study aimed to identify the variational types of lingula (LM) and coronoid process of the mandible (CPM) in order to determine their relationship and its effect on ethnicity and surgery. Methods: A total of 100 Turkish dry mandibles were measured bilaterally to determine the LM and CPM types. Two-way mixed ANOVA test was used to analyze the relationship between LM and PCM types on both sides, and the chi-square test was used for comparison of categorical variables. Results: The occurrence of Type 4 CPM was 5.5% and type 5 LM was 1.5%. There was a significant difference between the types of LM and CPM (X2= 48.02, p<0.05). The type 5 LM was more frequent with the type 1 CPM on both sides (F 5, 15 = 3.254, p=0.04, p<0.05), whereas type 4 CPM was more recorded with type3 and type5 LM. There were significant difference between the Turkish, Brazilian and Thai populations according to the frequency of the LM types, and between the Turkish and Indian populations according to the frequency of the CPM types (p <0.05). Conclusion: In conclusion, ethnicity might play a role in LM / CPM morphology and explain why different ethnic groups have similar forms. When type 5 LM or type 4 CPM is seen on one side of the ramus, it may indicate that there is more than one variation in that person and give a clue about the individual's ethnicity and effects on surgery.
Abstract
ABSTRACT Introduction: This study aimed to identify the variational types of lingula (LM) and coronoid process of the mandible (CPM) in order to determine their relationship and its effect on ethnicity and surgery. Methods: A total of 100 Turkish dry mandibles were measured bilaterally to determine the LM and CPM types. Two-way mixed ANOVA test was used to analyze the relationship between LM and PCM types on both sides, and the chi-square test was used for comparison of categorical variables. Results: The occurrence of Type 4 CPM was 5.5% and type 5 LM was 1.5%. There was a significant difference between the types of LM and CPM (X2= 48.02, p<0.05). The type 5 LM was more frequent with the type 1 CPM on both sides (F 5, 15 = 3.254, p=0.04, p<0.05), whereas type 4 CPM was more recorded with type3 and type5 LM. There were significant difference between the Turkish, Brazilian and Thai populations according to the frequency of the LM types, and between the Turkish and Indian populations according to the frequency of the CPM types (p <0.05). Conclusion: In conclusion, ethnicity might play a role in LM / CPM morphology and explain why different ethnic groups have similar forms. When type 5 LM or type 4 CPM is seen on one side of the ramus, it may indicate that there is more than one variation in that person and give a clue about the individual's ethnicity and effects on surgery