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Table 6 Comparative analysis table of various ASUDAS-based Indian studies

From: Study of twenty non-metric dental crown traits using ASUDAS system in NCR (India) population

#

Study year

Target population

Number of traits studied

Sample size (teeth / cast)

Conclusion / inference / important finding

Reference (authors)

1.

2017

Kerala

15

1743 (1259 premolars, 484 molars)

Low prevalence rate of Carabelli trait (11.26% over all)

(Baby et al. 2017)

2.

2018

Bengaluru (Karnataka)

1

400 casts

87% frequency in maxillary first permanent molar

(Smitha et al. 2018)

3.

2019

Bengaluru (Karnataka)

5

400 casts

• Hindus, Muslims and Christians (Indians) belong to Sundonts

• Iranians belong to Sinodonts

(Venkatesh et al. 2019)

4.

2019

Kerala

10

1761 teeth

• The most common trait noted was shoveling 11 (69.12%) followed by 21 (62.94%).

(Baby and Sunil 2019)

5.

2020

Odisha And Kerala

11

Odisha (n=506) and Kerala (n=536)

Cusp of Carabelli (48 %) followed by shovelling of incisors (15%) in frequency

(Nair et al. 2020)

6.

2021

Ajnala (Punjab)

11

1527 teeth

Unique frequency for non-metric dental traits in comparison with major continental ancestries

(Acharya and Sehrawat 2021)

7.

2022

National Capital Region (NCR) population

20

200 upper and lower casts

• Cusp number (83%) and Lingual Cusp Variation (79%) most frequent.

• Cusp of Carabelli (frequency 25.5 %)

• No sexual dimorphism in traits seen

Present study