Orthodontics

Contemporary theories of orthodontic tooth movement

Several theories have been proposed for the mechanisms underlying orthodontic tooth movement. An empirical known is that mechanical stimuli bring about cellular responses resulting in tooth movement..

Incisal edge resorption of an unerupted maxillary incisor: a previously unreported phenomenon

An 8-year-old male, with no relevant medical history, presented in the early mixed dentition with a Class I incisal relationship on a mild skeletal 2 base with average vertical proportions. The...

A multidisciplinary approach to managing a missing central incisor, impacted canines and complex medical history: a case report

The patient was referred to the orthodontic department from specialist orthodontic practice for the surgical removal of her impacted UR3 and UL3 at the age of 11 years..

Use of a wax bite for accurate lateral skull radiographs

A 14-year-old male was referred to the orthodontic department with a Class III incisor relationship on a Class III skeletal pattern and a chin point deviated to the right. There was an associated...

The use of orthodontics in the management of a bilateral condylar fracture in a child

A fit and well 12-year-old boy presented to the accident and emergency department (A&E) after falling off his bike. He complained of discomfort to his TMJs and a deranged occlusion. He sustained a...

Progressive malocclusion in adults: atypical aetiology resulting in iatrogenic acromegaly

This case demonstrates the importance of both awareness and clinical suspicion of acromegaly, and highlights a novel aetiology of the disease.

The ecological impact of resin-printed models in clear aligner treatment

3D-printed models can be printed through multiple techniques. The models produced by Invisalign and Dentsply Sirona are 3D-printed models. Most commonly in dentistry, they are produced by either...

Digital scanning in orthodontics: a literature review

Alginate impressions taken for the construction of plaster casts are the most common method used in clinical practice, aiding in orthodontic treatment planning. These are currently still accepted as...

Tips for viewing and interpreting cone beam computed tomography radiographs in orthodontics

Ensure the system for which radiographs are reviewed permits the CBCT to be viewed in all planes of space: axial, coronal and sagittal..

Digital workflows part 1: applications of digital technology in orthodontics

It is possible to capture accurate representations of the teeth and occlusion, create digital 3D models, and improve the patient experience by replacing traditional alginate impressions with...

Digital workflows part 2: applications of digital technology in orthognathic surgical planning – a case series

The following two clinical cases have undergone joint orthodontic/orthognathic treatment by means of a 3D-VSP workflow..

Rapid maxillary expansion: a clinical insight for the general dental practitioner

The earliest cited report of RME is by E.C. Angell, published in Dental Cosmos in 1860. This involved a 14-year-old female patient with a transverse maxillary discrepancy. She was fitted with a device...

Paying lip service: the importance of soft tissues in orthodontics

A comprehensive facial assessment includes analysis of the face and soft tissues, both in passive and animated states, with the lips being examined from the frontal and profile views. These...

Hemisection: a simple and elegant technique

Hemisection in the context of space closure means sectioning the primary molar and removing the distal half of the crown and the distal root. The primary molar is cut with a flame-shaped diamond bur...

Skeletal discrepancies. Part 1: assessment, aetiology, and management of low angle cases

The definition of ‘low angle’ in orthodontics is a decreased FMPA more than one standard deviation below the average of 27° (such as an FMPA <22°)..