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Frequency and characteristics of tooth agenesis among an orthodontic patient population.
Med Oral Patol Oral Cir Bucal. 2010 Sep 01; 15(5):e797-801.MO

Abstract

PURPOSE

The objectives of this study were to investigate the prevalence and characteristics of tooth agenesis and the associated skeletal morphology and arch widths in a group of Turkish patients seeking orthodontic treatment.

MATERIAL AND METHODS

We designed a retrospective study composed of pre- and post-treatment panoramic radiographs and lateral cephalometric films of 3,341 patients (2,040 females and 1,301 males). Tooth agenesis was evaluated for hypodontia and oligodontia -excluding the third molars- from the orthopantomograms. The significance test for the differences in the skeletal morphology between hypodontia and non-hypodontia patients was performed using the Pearson chi-square and Student t-test.

RESULTS

The prevalence of tooth agenesis was 4.6 percent for the Turkish orthodontic patient population. Tooth agenesis was found more frequently in females than in males, although this difference was not statistically significant (p>0.05). The most commonly missing teeth were the maxillary lateral incisors, followed by the mandibular second premolars and mandibular central incisors. Intercanine and intermolar widths in the maxillary and mandibular arches were significantly reduced in the hypodontia group compared with the control group (p<0.01). Tooth agenesis was statistically and significantly less in patients with skeletal Class II (p<0.01). There was no statistically significant difference in hypodontia patients in the vertical relationship of the jaws (p>0.05).

CONCLUSIONS

The prevalence of tooth agenesis was found to be 4.6 percent for the Turkish orthodontic patient population (hypodontia 4.3% and oligodontia 0.3%), and was found more frequently in females. Intercanine and intermolar widths were significantly reduced in the hypodontia group for both jaws compared with the control group.

Authors+Show Affiliations

Department of Orthodontics, Faculty of Dentistry, Ataturk University, Erzurum, Turkey.No affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info available

Pub Type(s)

Journal Article

Language

eng

PubMed ID

20383097

Citation

Celikoglu, Mevlut, et al. "Frequency and Characteristics of Tooth Agenesis Among an Orthodontic Patient Population." Medicina Oral, Patologia Oral Y Cirugia Bucal, vol. 15, no. 5, 2010, pp. e797-801.
Celikoglu M, Kazanci F, Miloglu O, et al. Frequency and characteristics of tooth agenesis among an orthodontic patient population. Med Oral Patol Oral Cir Bucal. 2010;15(5):e797-801.
Celikoglu, M., Kazanci, F., Miloglu, O., Oztek, O., Kamak, H., & Ceylan, I. (2010). Frequency and characteristics of tooth agenesis among an orthodontic patient population. Medicina Oral, Patologia Oral Y Cirugia Bucal, 15(5), e797-801.
Celikoglu M, et al. Frequency and Characteristics of Tooth Agenesis Among an Orthodontic Patient Population. Med Oral Patol Oral Cir Bucal. 2010 Sep 1;15(5):e797-801. PubMed PMID: 20383097.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Frequency and characteristics of tooth agenesis among an orthodontic patient population. AU - Celikoglu,Mevlut, AU - Kazanci,Fatih, AU - Miloglu,Ozkan, AU - Oztek,Ozkan, AU - Kamak,Hasan, AU - Ceylan,Ismail, Y1 - 2010/09/01/ PY - 2009/10/15/received PY - 2010/01/15/accepted PY - 2010/4/13/entrez PY - 2010/4/13/pubmed PY - 2011/1/5/medline SP - e797 EP - 801 JF - Medicina oral, patologia oral y cirugia bucal JO - Med Oral Patol Oral Cir Bucal VL - 15 IS - 5 N2 - PURPOSE: The objectives of this study were to investigate the prevalence and characteristics of tooth agenesis and the associated skeletal morphology and arch widths in a group of Turkish patients seeking orthodontic treatment. MATERIAL AND METHODS: We designed a retrospective study composed of pre- and post-treatment panoramic radiographs and lateral cephalometric films of 3,341 patients (2,040 females and 1,301 males). Tooth agenesis was evaluated for hypodontia and oligodontia -excluding the third molars- from the orthopantomograms. The significance test for the differences in the skeletal morphology between hypodontia and non-hypodontia patients was performed using the Pearson chi-square and Student t-test. RESULTS: The prevalence of tooth agenesis was 4.6 percent for the Turkish orthodontic patient population. Tooth agenesis was found more frequently in females than in males, although this difference was not statistically significant (p>0.05). The most commonly missing teeth were the maxillary lateral incisors, followed by the mandibular second premolars and mandibular central incisors. Intercanine and intermolar widths in the maxillary and mandibular arches were significantly reduced in the hypodontia group compared with the control group (p<0.01). Tooth agenesis was statistically and significantly less in patients with skeletal Class II (p<0.01). There was no statistically significant difference in hypodontia patients in the vertical relationship of the jaws (p>0.05). CONCLUSIONS: The prevalence of tooth agenesis was found to be 4.6 percent for the Turkish orthodontic patient population (hypodontia 4.3% and oligodontia 0.3%), and was found more frequently in females. Intercanine and intermolar widths were significantly reduced in the hypodontia group for both jaws compared with the control group. SN - 1698-6946 UR - https://www.unboundmedicine.com/medline/citation/20383097/Frequency_and_characteristics_of_tooth_agenesis_among_an_orthodontic_patient_population_ L2 - http://www.medicinaoral.com/pubmed/medoralv15_i5_p797.pdf DB - PRIME DP - Unbound Medicine ER -