Agenesis of permanent canines in orthodontic patients: Prevalence, location, treatment options and outcomes

Tamar Finkelstein, Yehoshua Shapira, Aikaterini Maria Pavlidi, Shirley Schonberger, Nir Shpack

Research output: Contribution to journalArticlepeer-review

Abstract

Purpose: Tooth agenesis is one of the most common anomalies of the human dentition, found most often in the maxillary anterior region and in the mandibular and maxillary premolar regions. Little information is available on the prevalence and distribution of permanent canine agenesis. The purpose of this retrospective study was to evaluate the prevalence and distribution of permanent canine agenesis in orthodontic patients and describe treatment options and outcomes. Methods: The records of 3,000 consecutively treated patients in the Department of Orthodontics, Tel Aviv University, Tel Aviv, Israel were reviewed. The pre-treatment facial and intraoral clinical photographs as well as panoramic and periapical radiographs were used to detect permanent canine agenesis in both dental arches. The data were recorded according to sex, age, number of missing canines, and their location. Results: Twenty-three patients (0.76 percent), nine males (39 percent) and 14 females (61 percent) had 38 congenitally missing canines. Of these, 22 (58 percent) were missing in the maxilla and 16 (42 percent) were missing in the mandible. Conclusions: The overall prevalence of missing permanent canines in our population was 0.76 percent. The female-to-male prevalence ratio was approximately three to two and more canines were missing in the maxilla than in the mandible.

Original languageEnglish
Pages (from-to)133-138
Number of pages6
JournalJournal of Dentistry for Children
Volume85
StatePublished - Sep 2018

Keywords

  • Canine
  • Distribution
  • Hypodontia
  • Tooth agenesis

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