Crooked Teeth
Teeth colour and alignment are an eye-catcher in any conversation. The widespread use of social communication channels through mobile phones, conference calls, live feeds, and reels was linked to the increased interest in achieving a celebrity-looking smile.
In a survey conducted by the British Orthodontic Society, 76% of orthodontists reported an increase in adults seeking orthodontic treatment, and 38% of patients reported being influenced by influencers and celebrities.
Crooked or misaligned teeth may represent a setback to a perfect smile, but do not let that stop you. Dulwich Dental Office is a leading orthodontic centre in London providing the finest orthodontic solutions. We provide both NHS and private orthodontic treatments to support our patients.
Our team comprises orthodontic experts with deep expertise in dealing with crooked teeth cases no matter how difficult they are to achieve our patients’ dream smile.
Causes of Crooked Teeth
Crooked teeth may be caused by several reasons that may start from childhood. These reasons include:
- Genetics: Some people have genetic factors running in families that may cause crooked teeth.If your parents had crooked teeth, your chances are high to have the same situation.
- Jaw size: The change in food’s nature because the food became softer and did not require high chewing forces, caused a diminished jaw size. The small jaw cannot accommodate the number of permanent teeth. This is evident in the increased rate of impacted and crooked teeth.
- Poor myofunctional habits: Some habits that start during childhood can affect the masticatory muscles and can lead to crooked teeth. These habits include tongue thrust, thumb sucking, pacifiers use, and mouth breathing.
- Poor oral hygiene: If you don’t perform daily oral hygiene habits or skip check-ups, this may lead to gum diseases and eventually tooth loss. When teeth are lost without restoration, the neighbouring teeth will tilt to fill the space leading to crooked teeth.
- Early loss of deciduous teeth; When primary teeth are lost away from their natural shedding time and no treatment is offered to maintain the space, the permanent teeth will erupt unguided by their predecessors which may lead to crooked teeth.
- Malnutrition: Maintaining a balanced healthy nutrition during childhood is essential because it affects teeth formation and jaw growth.
- Facial trauma: A severe trauma or blow to the face, especially during jaw growth can affect the normal growth process and eventually lead to improper jaw size and teeth malalignment.

Complications of Crooked Teeth
Crooked teeth have a significant impact on the quality of life represented in:
- Low self-esteem: When people suffer from malaligned teeth related to the anterior teeth, this may prevent their ability to smile and cause social distancing.
- Difficulty in maintaining oral hygiene: Crooked teeth are hard to clean because they create areas that cannot be efficiently cleaned using a toothbrush and floss. The food accumulation will cause plaque build-up, leading to gum inflammation and tooth decay, which both affect tooth health.
- Speech difficulties: Crooked teeth may affect the pronunciation of some letters, which may lead to lisp and speech difficulties.
- Chewing problems: Improper teeth positioning may cause the inability to chew food properly, leading to maldigestion and GIT problems.

Common Crooked Teeth Conditions Include
- Crowding: Teeth malalignment because of lack of space for erupted teeth
- Spacing: Is represented as improper teeth positions, such as tilting or rotation, because of the wide space.
- Overbite (protrusion): The upper front teeth horizontally overlap (protrude) the lower teeth a greater distance than usual, making them more vulnerable to fracture.
- Underbite: The lower anterior teeth protrude to cover the upper teeth (vertically); this usually occurs due to unhealthy habits such as pacifier use and thumb sucking.
- Crossbite: A crossbite is a condition where the lower teeth overlap the upper teeth horizontally, which leads to TMJ problems.
- Open bite: A condition where the anterior upper and lower teeth do not overlap at all which causes biting problems.
- Deep bite: Excessive overlap between upper and lower teeth posing a high strain on TMJ and masticatory muscles.
Dulwich Dental Office: UK No.1 Clinic for Orthodontic Solutions for Crooked Teeth
At Dulwich Dental Office, we understand how important your smile is. We build a leading orthodontic department in London with world-class specifications powered by the finest orthodontist experts and backed up with innovative technologies and tools. We completed over 3,000 orthodontic cases with a 100% satisfaction rate from our patients. Your smile is safe with us. We have a variety of orthodontic solutions to achieve the smile transformation you opt for. Our crooked teeth solutions include:
Conventional braces
Conventional braces involve attaching metallic brackets and wires on the front teeth to achieve the desired teeth movement. This is a very efficient way of teeth straightening and is suitable for all crooked teeth types. Their disadvantages include the longer treatment time and the unaccepted appearance by some patients.


Ceramic braces
They represent an upgrade of the conventional braces where the brackets are made from ceramic material (white) and the wires are tooth-coloured for better acceptance by the patients. 6 Months Smile is a recent orthodontic solution adopting the concept of ceramic braces to solve your crooked teeth problem in only 6 months.
Invisalign
A recent orthodontic solution that provides a fast and discreet teeth alignment using a set of clear aligners.


Inman aligners
A removable orthodontic appliance is used to treat mild to moderate teeth crowding. It can be used as a stand-alone treatment or combined with other solutions, such as dental bonding.
Lingual braces
An orthodontic treatment modality where the orthodontic brackets and wires are installed on the lingual (inside) side of the teeth.

Orthognathic surgery
Orthognathic surgery may be essential when a bony defect causes crooked teeth problems. It is corrective surgery of the jawbone to reposition them in their correct position for better teeth, muscles, and TMJ function.

Keeping Your Results
Teeth tend to relapse and return to their initial position after orthodontic treatment. This is why it is essential to maintain the achieved results using an orthodontic retainer. Retainers may be removable or fixed appliances. Following your treatment, our orthodontic experts will advise regarding the most suitable retainer choice and the recommended hours to wear per day if a removable retainer is selected.
FAQs
Crooked teeth may be caused by several reasons including genetics, decreased size of the jaws, premature extraction of deciduous teeth, myofunctional habits, and poor oral hygiene.
No matter your age, orthodontic treatment is suitable for all ages, starting from children at 14 years old.
Aside from self-esteem and esthetic problems, crooked teeth are difficult to clean which increases the risk of tooth decay, and gum inflammation, and may lead to tooth loss. Crooked teeth may also impact your GIT health because of improper chewing ability.
There are several treatment modalities for crooked teeth straightening, including conventional braces, ceramic braces, and removable orthodontic devices, such as Invisalign and Inman aligners. The choice between these treatment solutions depends on the degree of misalignment and the patient’s preferences.
If you seek discreet teeth alignment several solutions are available, such as Invisalign and ceramic braces. Invisalign is a series of clear aligners that can be removed for cleaning. Each aligner is used for two weeks before being replaced by another aligner. Ceramic braces involve using tooth-coloured brackets and wires for discreet teeth alignment.
It is common to experience mild pain or discomfort at the start of orthodontic treatment because of the tooth movement. This discomfort is transient during the first few weeks of the treatment and can be effectively managed using over-the-shelf painkillers.
It is common, but not always, to extract several teeth to secure a space for proper tooth alignment, especially in case of teeth crowding with a small jaw size.
Oral hygiene is challenging during orthodontic treatment because it is difficult to clean around orthodontic braces and wires. Our orthodontic experts will advise about the most suitable tools such as interproximal brushes and water picks to maintain oral health. It is essential to maintain regular hygiene visits during your orthodontic treatment to professionally clean your teeth and avoid tooth decay and gum problems.
There is no specific duration for orthodontic treatment. Some cases may be completed within a few months, while others may take around two years to be completed. The treatment duration depends on the degree of misalignment.
Retainers are essential after orthodontic treatment to avoid relapse. Most commonly, the retainers will be used for a lifetime. Our dental experts will advise about the duration of the retainer per day.
Orthodontic Treatments Completed
Five Star Reviews
Years Established
Awards And Accreditations

Dr Guilherme M. Xavier
General Dental Council Registration 228179
BDS, PGDip, MSc, MOrth (RCSEd), PhD, FHEA
Specialist Orthodontist for Children and Adults
One Of The UK’s leading Specialist Orthodontists
4 year Specialist Orthodontic training at Guys Hospital / Kingston Hospital
3 year Consultant training at Guys Hospital / Kingston Hospital
National and International Lecturer
Published in worldwide journals and undertook research at Kings College London, one of the world leading dental institutes.
Dr Guilherme M. Xavier, completed a postgraduate diploma in Orthodontics and an MSc in Pharmacology, Biochemistry and Molecular Biology at the same institution. In 2007 he started his PhD at the world leading King’s College London, sponsored by two prestigious awards (ALBAN and ORSAS). In 2013, he was appointed as an Academic Clinical Lecturer and honorary specialist registrar in Orthodontics at King’s College London; splitting his time between research and further clinical training in Orthodontics. His research led to several scientific publications in peer reviewed journals and his findings have been presented both abroad and throughout the UK. He qualified with a Distinction in his Master of Science in Orthodontics from King’s College London and was awarded the Professor Philip Walther Prize for the most outstanding performance. He also attained the Membership in Orthodontics (MOrth) with The Royal College of Surgeons of Edinburgh. Dr Xavier also actively pursued a significant role in academic teaching at Kings College London and is part of the specialist team at Dulwich Dental Office. Guilherme prides himself in the quality of his clinical care and continuing education. He is an expert in fixed and removable orthodontics for adults and children and a master in Invisalign with an attention to detail. The Dulwich Dental Office team is unique in that if after orthodontics small adjustments to the shape or size of the teeth are required, this can be done by our world-class smile makeover experts. World Class Braces is here at Dulwich Dental Office, check our Instagram page to see our results by clicking here.

Dr Yazan Douedari
Smile Makeover / Design Expert
Diploma Of Membership Of The Joint Dental Faculties (Mjdf) 2019
Msc Public Health In Developing Countries 2015-2016
Certificate In Restorative Dentistry 2012-2013
General Dental Council Registration Number 287275
Dr Yazan Douedari is a cosmetic, smile makeover and general dentist. Dr Douedari holds a Diploma of Membership of the Joint Dental Faculties at The Royal College of Surgeons of England ( Dip. MJDF, RCS), a Master’s degree in public health from The London School of Hygiene & Tropical Medicine (LSHTM), and a Diploma of Aesthetic Dentistry, accredited by the Royal College of Surgeons of England.
Dr Douedari is a leading smile makeover experts having transformed the lives of thousands of patients. He is a master in invisalign, veneers, composite bonding and whitening often using these treatments individually or combining them to produce the most natural and millimetre perfect results. Dr Yazan is a specialist in creating Holywood and Wedding Smiles and meticulously documents his cases hence you can see many of his smile makeover cases on our Instagram page by clicking here.
Having transformed the lives of thousands of patients through smile design, Dr Yazan is a trailblazer in using digital technology to design beautiful smiles, and patients come to us all from all over the United Kingdom for our renowned smile design transformations, where we are one of the only clinics to have every specialist so can treat even the most complex smile design.
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FILLINGS
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CROWNS
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CHILDRENS DENTISTRY
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HYGIENIST
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We Have You Covered
Dulwich Dental Office has built an excellent reputation for delivering professional dental care to NHS and private patients throughout London. From routine preventative dentistry to advanced cosmetic and restorative treatments, we provide comprehensive solutions designed to keep your smile healthy for years to come. Whether you require a check-up in Peckham, a filling in New Cross, veneers in Deptford, Invisalign in Canary Wharf, or dental implants in Marylebone, our experienced London dentists are committed to providing the highest standards of care.
Our modern dental clinic combines advanced equipment with a patient-focused approach, ensuring every visit is comfortable and stress-free. We offer a wide selection of treatments including routine examinations, hygiene services, fillings, crowns, bridges, composite bonding, porcelain veneers, orthodontics, Invisalign aligners, teeth whitening, prosthodontics, bone grafting and dental implant treatment.
Patients travel from Rotherhithe, Lewisham, Catford, Ladywell and Crofton Park because they know they’ll receive honest advice, tailored treatment plans and exceptional clinical care. We believe prevention is just as important as treatment, helping patients maintain healthy teeth and gums through regular dental care and education.
Whether you’re visiting for your first appointment or continuing your dental journey with us, Dulwich Dental Office is committed to helping you smile with confidence. Get in touch with our friendly team today to book your consultation.
OTHER DENTAL TREATMENTS AVAILABLE

SPECIALIST TREATMENTS
These treatments use specalist technology, need more involved care, or are for a specific group of patients, like children.

COSMETIC DENTISTRY
From smile makeovers and tooth whitening to invisibraces. We offer a wide range of cosmetic services to guarantee a great smile in 6 months
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Dulwich Dental Office is a renowned clinic that delivers a high-quality dental care service in East Dulwich. Call: 0208 6933339











