Abstract

MORPHOLOGICAL VARIATIONS OF PERMANENT FIRST MANDIBULAR MOLAR'S OCCLUSAL GROOVE PATTERN- CLINICAL STUDY

Rashmi R. Acharya*, Maumita Bhattcharya, Deepti Srivastava, S. Kaynat Nizami, Bhawna Yadav, Karnika Misra, Himanshu thukral

ABSTRACT

Aim: The study was conducted to determine the prevalence of different occlusal patterns in permanent mandibular first molars in a sample of Delhi population. Materials and methods: This cross sectional study was conducted in the three dental clinic in delhi. 2000 casts which are taken for orthodontic treatment purpose were studied for the number of cusps and fissure pattern. Descriptives and association test were used for statistical analysis. Results: 500 casts were observed, 51% were of boys and 49% of girls. The four-cusped form was the most frequent (95.4%). The most prevalent occlusal groove form was "+" shape (88.4%). Frequently present occlusal pattern was the "+4" form (85.4%). Conclusion: The occlusal morphology show different degree of variability. The most frequent occlusal configuration of mandibular first molars found in delhi adolescent was the "+4" form.

Keywords: Occlusal Groove Pattern.