- 9.20.24

Quick Review #230 - #dental #dentist #dentistry #dentalstudent #dentalschool #teeth #cavity #wisdomteeth #extraction #oralsurgery #oralsurgeon #missingteeth #pathology #oralpathology

The top 5 most commonly congenitally missing teeth in the general population, in order, are:

1. Third molars (wisdom teeth)

2. Maxillary lateral incisors

3. Mandibular second premolars

4. Maxillary second premolars

5. Mandibular central incisors

This ranking is based on prevalence across various studies, with third molars being the most commonly missing teeth, followed by maxillary lateral incisors and mandibular second premolars.

Congenitally missing teeth, or dental agenesis, occurs when one or more permanent teeth fail to develop. This condition can be caused by genetic, environmental, or developmental factors, with certain genes such as PAX9, MSX1, and AXIN2 associated with hypodontia. Syndromes like ectodermal dysplasia, Down syndrome, and cleft lip/palate are often linked to missing teeth.

The most commonly affected teeth are the third molars, maxillary lateral incisors, and mandibular second premolars, although other teeth can also be missing. This condition can lead to several dental problems including malocclusion, spacing issues, and aesthetic concerns. When anterior teeth like lateral incisors are missing, it can affect both dental function and facial symmetry.

References:

1. McSurdy, D. (n.d.). Congenitally missing teeth – Dental substitution. Dr. David McSurdy & Staff.

2. Polder, B. J., Van’t Hof, M. A., Van der Linden, F. P., & Kuijpers-Jagtman, A. M. (2004). A meta-analysis of the prevalence of dental agenesis of permanent teeth. Community Dentistry and Oral Epidemiology, 32(3), 217-226.

3. Ahmad, W., Iqbal, M., & Patel, P. K. (2020). Patterns of congenitally missing teeth in orthodontic patients. Journal of Orthodontics, 47(2), 127-133.

4. Rakhshan, V. (2015). Congenitally missing teeth (hypodontia): A review of the literature concerning the etiology, prevalence, risk factors, patterns, and treatment. Dental Research Journal, 12(1), 1-13.

5. ChatGPT. 2024.

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