---
title: "Stickler Syndrome Orthodontics UK: Jaw and Cleft Guide"
url: https://virtualconsultant.online/guides/stickler-syndrome-orthodontics-uk
description: "Orthodontic care for Stickler syndrome in the UK. Covers Pierre Robin sequence, midface hypoplasia causing Class III malocclusion, cleft palate."
updated: 2026-09-01T00:00:00Z
publisher: Virtual Consultant Online
---

Stickler Syndrome

Pierre Robin Sequence

Craniofacial Orthodontics

Connective Tissue Disorders

# Stickler Syndrome and Orthodontics UK

Stickler syndrome is a hereditary connective tissue disorder caused by mutations in collagen genes including COL2A1 and COL11A1. It produces a characteristic combination of craniofacial, ocular, auditory, and musculoskeletal abnormalities with profound implications for orthodontic treatment planning. The Pierre Robin phenotype — micrognathia, glossoptosis, and cleft palate — may present in the neonatal period. High myopia and vitreoretinal detachment risk require ophthalmology clearance before any procedure under general anaesthesia. Specialist multidisciplinary coordination across orthodontics, ophthalmology, audiology, and clinical genetics is essential to safe and effective care.

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## What is Stickler syndrome and which body systems does it affect?

Stickler syndrome is a heritable disorder of connective tissue caused by pathogenic variants in collagen-encoding genes, most commonly COL2A1 (type II collagen, the most prevalent form), COL11A1, and COL11A2. It was first described by Dr Gunnar Stickler in 1965 and affects an estimated 1 in 7,500 to 1 in 9,000 individuals, making it one of the more common hereditary connective tissue conditions in the UK. Inheritance is usually autosomal dominant, meaning a single altered gene copy from one parent is sufficient to cause the condition; de novo mutations also occur. The disorder is systemic, involving multiple body systems simultaneously. Craniofacial features include midface hypoplasia, small or receding lower jaw (micrognathia), flat midface, and a wide spectrum of cleft palate presentations ranging from bifid uvula to complete palatal clefting. Ocular involvement is a defining feature and includes high myopia (frequently greater than minus six dioptres from early childhood), vitreoretinal degeneration, risk of retinal detachment, and cataracts. Sensorineural and conductive hearing loss affects a significant proportion of patients, ranging from mild high-frequency loss to moderate-to-severe impairment. Joint hypermobility, early-onset arthropathy, and mitral valve prolapse complete the systemic picture. For the orthodontist, the craniofacial and systemic features create a complex clinical environment that requires close liaison with ophthalmology and audiology before and during treatment.

## Pierre Robin sequence — neonatal jaw and airway management

Pierre Robin sequence (PRS) describes a triad of micrognathia, glossoptosis (posterior displacement of the tongue), and upper airway obstruction; cleft palate is present in the majority of cases and is closely associated with the sequence. Stickler syndrome is the single most common identifiable aetiology of Pierre Robin sequence, accounting for an estimated 30 to 35 percent of PRS cases in the UK. Recognition of PRS as potentially indicating Stickler syndrome has important implications because early ophthalmological screening can prevent irreversible visual loss. In the neonatal period, airway management is the clinical priority. Prone positioning is used to allow the tongue to fall forward and open the upper airway. For infants with significant obstruction, nasopharyngeal airway tubes, mandibular distraction osteogenesis (a surgical technique that gradually lengthens the jaw using an external or internal device), or rarely tracheostomy may be required. The retrognathic mandible tends to undergo some degree of catch-up growth during early childhood as the infant begins to feed and the mandible is stimulated, but significant jaw discrepancy often persists. From an orthodontic perspective, the neonatal and infant period focuses on feeding support, palatal obturator fabrication where cleft palate is present, and baseline craniofacial assessment. Early referral to a cleft or craniofacial multidisciplinary team should be made as soon as PRS is identified.

## Midface hypoplasia and Class III malocclusion in Stickler syndrome

Midface hypoplasia is a consistent craniofacial feature of Stickler syndrome. The maxilla and the middle third of the face fail to develop to normal proportions, producing a flat facial profile and a relative protrusion of the mandible. In combination with the micrognathia that characterises PRS, the relationship between upper and lower jaws is complex: the upper jaw is set back due to hypoplasia, while the lower jaw may itself be small but still protrudes relative to the underdeveloped maxilla. The functional consequence is a Class III malocclusion, characterised by a reverse overjet (lower incisors biting in front of upper incisors) and a negative skeletal discrepancy. The severity varies considerably between patients. Mild Class III relationships may be managed with orthodontic camouflage — proclining the upper teeth and retroclining the lower teeth to achieve an acceptable overjet without surgery. Moderate to severe skeletal discrepancy, particularly where the underlying jaw relationship is significantly Class III, typically requires orthognathic surgery (jaw surgery) in combination with orthodontics to achieve a stable and functional result. Surgical timing is deferred until skeletal growth is complete, usually from the mid to late teens. Pre-surgical orthodontic treatment aligns and decompensates the teeth, and post-surgical orthodontics settles the occlusion following repositioning of the jaws. The orthodontist must account for the connective tissue effects of COL2A1 and COL11A1 mutations on the periodontal ligament when planning tooth movement and retention.

## Cleft palate and its orthodontic implications

Cleft palate is present in a substantial proportion of individuals with Stickler syndrome, either as part of the Pierre Robin sequence in early life or as an isolated finding. The cleft may be of the hard palate, soft palate, or both, and incomplete forms — including submucous cleft palate and bifid uvula — are also seen. Cleft palate repair is typically performed in infancy by a specialist cleft surgeon, between three and eighteen months of age depending on the type and extent of the cleft and the preferences of the treating centre. The repaired palate commonly results in a narrow and high-arched maxillary arch, palatal scarring that restricts transverse and sagittal maxillary growth, and a tendency towards a posterior crossbite and transverse arch constriction. Orthodontic implications include the need for palatal expansion, which in the presence of a repaired cleft palate is more difficult and may achieve less than in patients without prior palatal surgery. Bone grafting of any residual alveolar cleft (the gap in the bone of the upper jaw) is undertaken at around nine to eleven years of age to allow the canine tooth to erupt through healthy bone and to close the gap. Orthodontic preparation for alveolar bone grafting involves aligning the upper arch and creating sufficient space for the graft site. Where the cleft involves the alveolus, teeth adjacent to the cleft — typically the lateral incisor in that region — may be absent, malformed, or require extraction, adding further complexity to treatment planning. All orthodontic care for patients with a cleft history should be co-ordinated with the cleft team.

## High myopia and vitreoretinal detachment — positioning and orthodontic safety

High myopia is one of the most clinically significant features of Stickler syndrome and is present from early childhood in the majority of affected individuals. Myopia frequently exceeds minus six to minus ten dioptres and is associated with an abnormally long axial length of the eye, predisposing to vitreoretinal degeneration. Retinal detachment is a major risk, occurring in approximately 30 to 40 percent of patients with Stickler syndrome over their lifetime, and can cause permanent visual loss if not treated promptly. Regular ophthalmological surveillance with dilated fundus examination is essential throughout life. Prophylactic treatment of vitreoretinal lesions with laser photocoagulation or cryotherapy is offered in some centres to reduce detachment risk. For the orthodontist, the vitreoretinal detachment risk has direct practical consequences. Patients who have undergone vitreoretinal surgery — including scleral buckling, vitrectomy, or gas tamponade — may be advised to avoid supine positioning for a period following surgery, as certain intraocular gases require patients to maintain face-down or upright positions. The dental chair in its fully reclined position places the patient supine and may be contraindicated during the post-operative period following vitreoretinal intervention. Before scheduling any appointment, and certainly before any procedure under sedation or general anaesthesia, the orthodontist must obtain current ophthalmological clearance and confirm safe positioning parameters with the treating ophthalmologist. Any procedure requiring general anaesthesia carries additional risk in the context of high myopia, and a pre-operative ophthalmological review is mandatory.

## Connective tissue mutations (COL2A1/COL11A1) and effects on tooth movement

The genetic basis of Stickler syndrome lies in mutations affecting type II and type XI collagen — proteins that are structural components of cartilage, vitreous humour, and connective tissue throughout the body. Type II collagen (encoded by COL2A1) is expressed in the nucleus pulposus of intervertebral discs, in articular cartilage, and in craniofacial cartilage. Type XI collagen (encoded by COL11A1 and COL11A2) co-assembles with type II collagen in cartilaginous matrices and also has a role in fibrocartilaginous structures. The periodontal ligament — the connective tissue that suspends the tooth root within the alveolar bone — is composed largely of collagen fibres, predominantly type I collagen, but also contains smaller amounts of other collagens and proteoglycans. Mutations in structural collagen genes in Stickler syndrome may alter the mechanical properties and remodelling behaviour of periodontal connective tissue. While direct evidence from large orthodontic series in Stickler syndrome patients is limited, the theoretical and clinical expectation is that connective tissue laxity may lead to greater initial tooth mobility under force but potentially less predictable periodontal remodelling. Joint hypermobility, which is universal in Stickler syndrome, reflects the systemic connective tissue laxity. Orthodontists should consider using lighter forces than standard where possible, monitoring periodontal response carefully throughout treatment, and ensuring robust retention planning given the connective tissue environment. Root resorption should be monitored radiographically. Long-term retention — likely permanent — is appropriate given the risk of relapse in a periodontal ligament with atypical collagen composition.

## Hearing loss — adapting communication in the orthodontic setting

Sensorineural hearing loss is present in a significant proportion of individuals with Stickler syndrome, with some series reporting hearing impairment in 30 to 40 percent of affected individuals. The loss may be high-frequency sensorineural in pattern, reflecting cochlear involvement, or may have a conductive component related to middle ear dysfunction associated with cleft palate and eustachian tube problems. Hearing loss in Stickler syndrome can be progressive and may not be apparent in early childhood. The audiological assessment and any hearing aid fitting or cochlear implant consideration is managed by audiology services; the orthodontist must be aware of the patient's current hearing status and adapt clinical communication accordingly. In the orthodontic setting, hearing loss requires several practical adaptations. Face masks, which are standard infection control equipment, significantly reduce lip-reading and muffle speech. Transparent masks or a face shield alternative should be used where available for patients who rely on lip-reading. Instructions should be delivered in a quiet environment, facing the patient directly, with clear speech at a moderate pace. Written instruction sheets summarising verbal advice are valuable for all patients with hearing loss and should be provided routinely. Where a patient uses a hearing aid, the aid should remain in place throughout the appointment unless there is a specific reason to remove it; cochlear implant processors should not be exposed to ultrasonic scalers or certain electrosurgical equipment, and the clinical team must be briefed accordingly. For patients with severe hearing impairment, a communication support worker or British Sign Language interpreter may be required.

## NHS pathway and specialist team coordination for Stickler syndrome

In the United Kingdom, patients with Stickler syndrome are typically managed through a network of specialist services rather than a single centre, reflecting the multi-system nature of the condition. Following diagnosis — which may occur at birth if Pierre Robin sequence is identified, or later in childhood or adulthood through genetic testing prompted by myopia, hearing loss, or joint problems — the patient should be referred to clinical genetics for confirmation of the causative mutation and family counselling. Ophthalmological follow-up should be established urgently if not already in place, given the vitreoretinal risk. Audiology input is required for hearing assessment and any intervention. Cleft and craniofacial team involvement is needed where cleft palate or significant craniofacial abnormality is present; referral should be made to a designated cleft or craniofacial centre. Stickler Involved People is the UK patient support organisation and provides information, peer support, and guidance on accessing specialist care. The NHS England Highly Specialised Services framework covers complex craniofacial surgical care in designated centres. For orthodontic treatment, patients with Stickler syndrome and significant malocclusion linked to their condition should be assessed for complexity of orthodontic need; IOTN scoring alone may not capture the full multidisciplinary complexity, and a narrative justification for specialist-level care is appropriate. Where orthognathic surgery is planned, the patient should be managed jointly by the orthodontist and an oral and maxillofacial or craniofacial surgeon with experience of connective tissue disorder cases. Pre-operative ophthalmological clearance for general anaesthesia is mandatory, and the anaesthetic team should be briefed on the implications of high myopia and any previous vitreoretinal surgery when airway management is planned.

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### Frequently Asked Questions

Can people with Stickler syndrome have orthodontic treatment?

Yes. Orthodontic treatment is both possible and beneficial for many patients with Stickler syndrome. The nature and timing of treatment depends on the specific craniofacial features present — including the degree of jaw discrepancy, any cleft palate history, and whether orthognathic surgery is planned. The connective tissue involvement from COL2A1 or COL11A1 mutations may affect how the periodontal ligament responds to orthodontic forces, and treatment planning should account for this. Pre-operative ophthalmological clearance is required before any procedure under general anaesthesia. Early referral to an experienced specialist orthodontist with access to the wider multidisciplinary team is strongly recommended.

What does a Class III malocclusion mean for orthodontic treatment planning?

A Class III malocclusion means the lower teeth bite in front of the upper teeth — a reverse bite relationship caused by the relative underdevelopment of the upper jaw and the forward position of the lower jaw. In Stickler syndrome this arises from midface hypoplasia. The treatment options are orthodontic camouflage (moving teeth to compensate for the skeletal discrepancy without changing the jaw bones), which is suitable for mild to moderate cases, or orthognathic surgery combined with orthodontics for more severe cases. Surgery is deferred until growth is complete, typically in the mid to late teens. The orthodontist will assess the degree of skeletal discrepancy using cephalometric analysis before recommending an approach.

How does cleft palate affect orthodontic treatment in Stickler syndrome?

Cleft palate repair in infancy commonly results in a narrow, high-arched upper arch with restricted growth potential. This creates a tendency towards posterior crossbite and crowding in the upper jaw. Orthodontic treatment typically involves palatal expansion to widen the upper arch, though the presence of scar tissue from palate repair limits the amount of expansion achievable. Where the cleft involved the alveolus, bone grafting at around age nine to eleven is required before the upper canine erupts through the graft site, and orthodontic preparation for the graft is part of the treatment sequence. Missing or malformed teeth adjacent to the cleft site add further complexity to space planning and final tooth arrangement.

Does high myopia restrict the use of a dental chair?

High myopia itself does not restrict dental chair positioning. However, patients with Stickler syndrome who have undergone vitreoretinal surgery — such as vitrectomy with gas tamponade, scleral buckling, or laser treatment — may be advised by their ophthalmologist to avoid supine positioning for a defined period following surgery. The fully reclined dental chair places the patient in a supine position and may be contraindicated during the post-operative recovery window. Before any appointment, the patient's current ophthalmological status and any positioning restrictions should be confirmed with the treating ophthalmologist. Certain types of intraocular gas used after vitreoretinal surgery also present a risk under general anaesthesia due to gas expansion, making pre-operative ophthalmological review mandatory.

How should hearing aids and communication be managed during orthodontic appointments?

Hearing aids should remain in place during orthodontic appointments unless there is a clinical reason for removal. The orthodontic team should be aware that ultrasonic equipment and certain electrosurgical devices can interfere with hearing aid function and, more significantly, with cochlear implant processors; the patient should be asked before any appointment whether they wear a cochlear implant and the relevant equipment avoided. Clear speech, reduced background noise, face-to-face communication without a standard face mask (a transparent mask is preferable), and written instruction sheets all improve communication with patients who have hearing loss. For patients with more significant hearing impairment, arranging a British Sign Language interpreter or communication support worker for complex appointments should be discussed with the patient in advance.

Should patients with Stickler syndrome have genetic testing before orthodontic treatment?

Genetic testing is a matter for clinical genetics services rather than the orthodontic team, and most patients referred with a diagnosis of Stickler syndrome will already have had some form of genetic assessment. However, if an orthodontic referral reveals features consistent with Stickler syndrome — particularly the combination of high myopia, hearing loss, craniofacial abnormalities, and joint hypermobility — the orthodontist should recommend that the patient is assessed by clinical genetics if this has not already occurred. Identifying the specific mutation (COL2A1 versus COL11A1 versus COL11A2) has prognostic implications for the severity of ocular involvement and helps with family screening. NHS clinical genetics services accept GP or specialist referrals.

What NHS pathway is available for complex orthodontic needs in Stickler syndrome?

Patients with Stickler syndrome who require orthodontic treatment as part of a cleft or craniofacial multidisciplinary programme are managed through NHS-designated cleft or craniofacial centres, where orthodontic care is co-ordinated alongside surgical and other specialist input. For patients whose primary need is a severe malocclusion requiring orthognathic surgery, referral to a hospital-based orthodontist with access to oral and maxillofacial surgery is appropriate; this is available through the NHS. Patients with less complex needs may be managed in primary care specialist orthodontic practice on NHS terms if their IOTN score qualifies; those with complex multidisciplinary needs may require a narrative submission to commissioners for funding outside standard pathways. Stickler Involved People can advise patients on navigating specialist referrals.

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Citation details

Title Stickler Syndrome Orthodontics UK: Jaw and Cleft Guide

Publisher Virtual Consultant Online

Published 2026-06-28

Updated 2026-09-01

URL [https://staging.virtualconsultant.online/guides/stickler-syndrome-orthodontics-uk](https://staging.virtualconsultant.online/guides/stickler-syndrome-orthodontics-uk)