en POLSKI
ISSN: 1734-1558
Forum Ortodontyczne / Orthodontic Forum
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3/2020
vol. 16
 
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abstract:
Review paper

Methods of treatment of premolar agenesis: a literature review

Małgorzata Bilińska
1
,
Morten Laursen
1
,
Paweł Plakwicz
2
,
Małgorzata Zadurska
3
,
Ewa Monika Czochrowska
3

1.
Zakład Stomatologii i Zdrowia Jamy Ustnej, Uniwersytet w Aarhus, Dania/Department of Dentistry and Oral Health, Aarhus University, Denmark
2.
Zakład Chorób Błony Śluzowej i Periodontologii, Warszawski Uniwersytet Medyczny/Department of Periodontology Medical University of Warsaw
3.
Zakład Ortodoncji, Warszawski Uniwersytet Medyczny/Department of Orthodontics Medical University of Warsaw
Forum Ortod 2020; 16 (3): 210-28
Online publish date: 2020/11/10
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Congenital agenesis of second premolars is the second most common dental anomaly after third molar agenesis. Orthodontists are often the first dental specialists to diagnose this condition and they are usually involved in the treatment planning in patients with second premolar agenesis.

Aim
The aim of the study was to review the literature on the treatment methods for the agenesis of second premolars and to present relevant clinical examples, which will illustrate implementation of different treatment modalities.

Material and methods
A review of the literature on the treatment of agenesis of second premolars has been performed for the period 1961-2018. The medical databases PubMed and Medline were used.

Results
Different methods such as preservation, selective grinding and hemisection of retained deciduous second molars, prosthodontic restorations including dental implants, orthodontic space closure, also with the application of skeletal anchorage, and autotransplanation of premolars and third molars can be applied to treat agenesis of second premolars.

Conclusions
Early diagnosis of second premolar agenesis enables the implementation of an optimal treatment protocol which should aim to avoid the need for prosthodontic restorations. The choice of treatment depends on patient’s age, status of deciduous molars, skeletal and dental relations, presence of crowding/spacing, patient’s profile, cooperation with other specialist and patients’ wishes

keywords:

hypodontia, Hemisection, agenesis of teeth, autotransplanation of teeth, persistent deciduous molars