Related Experiment Video
Updated: Apr 15, 2026
07:32
Author Spotlight: 3D Movement Assessment of Maxillary Posterior Teeth in Clear Aligner Treatment
Published on: February 23, 2024
2.1K
A rare case of impacted maxillary first premolar
Andreea Cristiana Didilescu1, Mugurel Constantin Rusu2, Mihai Săndulescu3
1Division of Embryology, Faculty of Dental Medicine, "Carol Davila" University of Medicine and Pharmacy, 8, Blvd Eroilor Sanitari, 050474, Bucharest, Romania. Andreea.Didilescu@gmail.com.
Surgical and Radiologic Anatomy : SRA
|March 28, 2015
Summary
This case report details a rare impacted maxillary first premolar, positioned vertically within the maxillary sinus. This finding highlights potential surgical challenges and complications like infections or root resorption.
Area of Science:
- Dentistry
- Oral and Maxillofacial Surgery
- Radiology
Background:
- Impacted teeth are common dental anomalies, but impaction of the maxillary first premolar is notably infrequent.
- Understanding the prevalence and anatomical relationships of impacted teeth is crucial for effective dental treatment planning.
Observation:
- A rare case of a vertically impacted maxillary left first premolar is presented.
- The apical two-thirds of the impacted tooth's root were lodged between the maxillary sinus walls.
- Associated findings included a persistent primary canine and close proximity to the permanent canine root and nasal fossa.
Findings:
- Cone beam computed tomography (CBCT) confirmed the unusual impaction and its precise anatomical location.
- The impacted premolar's position indicated a high risk for complications during surgical retrieval.
- The close relationship with adjacent vital structures necessitates careful pre-operative assessment.
Implications:
- This case provides valuable insights for dental practitioners regarding the management of impacted maxillary first premolars.
- Awareness of such impactions aids in anticipating surgical difficulties and preventing iatrogenic complications.
- Early detection and understanding of anatomical variations can prevent secondary issues like sinusitis or root resorption.
Related Concept Videos
01:15Teeth
2.4K
The formation of teeth, also known as odontogenesis, is a complex process that begins in utero, around the sixth week of embryonic development. There are three stages to this process: the bud stage, the cap stage, and the bell stage.
In the bud stage, the tooth germ (an aggregation of cells) starts to form in the developing jawbone. During the cap stage, the tooth germ differentiates into enamel organ, dental papilla, and dental sac, which will later develop into the tooth's enamel, dentin...
In the bud stage, the tooth germ (an aggregation of cells) starts to form in the developing jawbone. During the cap stage, the tooth germ differentiates into enamel organ, dental papilla, and dental sac, which will later develop into the tooth's enamel, dentin...
2.4K
01:21Tooth Anatomy
3.0K
The human tooth enables us to eat a variety of foods, speak clearly, and even aid in shaping our faces. Teeth are composed of various elements that work together. Here's a detailed look at the anatomy of a human tooth.
The Crown, Neck, and Root
The visible part of the tooth is referred to as the crown. It's covered by enamel, the hardest substance in the human body. The crown is uniquely shaped for each type of tooth, allowing for different functions such as cutting, tearing, or...
The Crown, Neck, and Root
The visible part of the tooth is referred to as the crown. It's covered by enamel, the hardest substance in the human body. The crown is uniquely shaped for each type of tooth, allowing for different functions such as cutting, tearing, or...
3.0K