Retainers in Thornhill at a Glance
| Nearest practice listing retainers | North Cardiff Orthodontic Centre, Cardiff — 1 miles; 10 within 10 miles |
|---|---|
| Nearest practice with emergency care | None within 30 miles on our register |
| Nearest practice open evenings or weekends | Perlau Gwyn Dental Care & Facial Aesthetics, Cardiff — 3.7 miles; 5 within 10 miles |
| Residents under 16 | 17.1% (Census 2021) |
| Aged 10 to 15 locally | 5.5% of 1,342 residents, the main age band for NHS orthodontic treatment |
| Practices on our register | 21 within 5 miles, 41 within 10, 63 within 20 |
| Area type (ONS) | Urban: Nearer to a major town or city |
| Deprivation | Less deprived than most of Wales |
| Households without a car | 10.6% in the surrounding census area (Census 2021) |
| Residents per square kilometre | 4,558 in the surrounding census area (Census 2021) |
Sources: Census 2021 (NOMIS), DfE Get Information About Schools, ONS geography, UK NHS dental charge schedules and our orthodontic practice register. Distances are straight-line.
Practices near Thornhill listing retainers
On our practice register: 21 practices within 5 miles of Thornhill, 41 practices within 10 and 63 practices within 20. The closest is Cedars Dental Cardiff in Thornhill, 0.8 miles south. The nearest listing retainers is North Cardiff Orthodontic Centre, 1.0 miles south.
| Practice | Distance | Retainers | Emergency care | Evenings or weekends | Google rating |
|---|---|---|---|---|---|
| North Cardiff Orthodontic CentreCardiff | 1.0 miles south | ✓ | – | – | 4.6 (99 reviews) |
| Crocodile OrthodonticsRhiwbina | 1.0 miles south | ✓ | – | – | 4.8 (19 reviews) |
| Cardiff Orthodontic LaboratoryRhiwbina | 1.0 miles south | ✓ | – | – | 5.0 (1 review) |
| Birchgrove Dental PracticeCardiff | 2.0 miles south | ✓ | – | – | 5.0 (294 reviews) |
| Perlau Gwyn Dental Care & Facial AestheticsCardiff | 3.7 miles south | ✓ | – | ✓ | 4.8 (59 reviews) |
| Parklands Dental PracticeCaerphilly | 3.8 miles north-west | ✓ | – | ✓ | 4.8 (147 reviews) |
✓ listed in the practice's own information; – not mentioned, which doesn't mean not offered. Straight-line distances.
Nearest places to Thornhill with practices listing retainers
The closest town with practices listing retainers is Cardiff, 1.0 miles south; the next are Rhiwbina (1.0 miles south) and Caerphilly (3.8 miles north-west).
| Place | Practices | Nearest |
|---|---|---|
| Cardiff | 4 | 1.0 miles south |
| Rhiwbina | 2 | 1.0 miles south |
| Caerphilly | 1 | 3.8 miles north-west |
| Penarth | 1 | 7.1 miles south |
| Pontypridd | 1 | 7.9 miles north-west |
| Blackwood | 1 | 8.6 miles north |
Counted from the practices on our register around this place, nearest first. Straight-line distances.
Best-reviewed practices within 20 miles of Thornhill
Of the practices within 20 miles with at least 10 Google reviews, the highest rated is Birchgrove Dental Practice in Cardiff (5.0 from 294 reviews), 2.0 miles south.
| Practice | Google rating | Distance |
|---|---|---|
| Birchgrove Dental PracticeCardiff | 5.0 (294 reviews) | 2.0 miles south |
| Andrew Thomas Dental CareCardiff | 5.0 (76 reviews) | 3.9 miles south |
| Laffan Dental Care & Implant CentreBlackwood | 4.9 (1,090 reviews) | 8.6 miles north |
| Taf DentalPontypridd | 4.9 (243 reviews) | 7.9 miles north-west |
Ratings are each practice's public Google review average and say nothing about clinical quality. Straight-line distances.
Retainers near Thornhill
| What you may need | Look for | Nearest listing it | Next nearest | Within 20 miles |
|---|---|---|---|---|
| Retainers | retainers | North Cardiff Orthodontic Centre (1 miles) | Crocodile Orthodontics (1 miles); Cardiff Orthodontic Laboratory (1 miles) | 10 |
| Urgent repairs | emergency care | not mentioned nearby | none other | 0 |
| Visits outside working hours | evening or weekend opening | Perlau Gwyn Dental Care & Facial Aesthetics, Cardiff (3.7 miles) | Parklands Dental Practice (3.8 miles); Andrew Thomas Dental Care (3.9 miles) | 5 |
| A fresh scan for a new retainer | digital scanning | Cardiff Orthodontic Laboratory, Rhiwbina (1 miles) | Birchgrove Dental Practice (2 miles); Andrew Thomas Dental Care (3.9 miles) | 4 |
Built from what each practice's own published information mentions, so a missing entry means not mentioned, which does not mean not offered. Straight-line distances.
The result you paid for is only as durable as your commitment to retainers. During the months of remodelling, retainers hold the teeth precisely where treatment left them. Any orthodontic practice in Thornhill can fit, replace or repair them if you need it. People from Lisvane, Rhiwbina and Roath Park regularly visit orthodontists in Thornhill.
Retainer Options in Thornhill
Fixed (bonded) retainers sit permanently behind the front teeth as a discreet bonded wire, holding the result with zero patient effort. The trade-off is cleaning: floss threaders or interdental brushes are needed to keep the area healthy.
Essix retainers are clear thermoplastic trays much like aligners, removed for eating and cleaning. They're discreet and comfortable but can warp with heat and typically need replacing every 1–3 years.
Hawley retainers are the traditional acrylic-plate-and-wire design. They're more durable than Essix trays, adjustable if minor movement occurs, and can last many years — but they're more visible when worn.
Many orthodontists in Thornhill now provide both a fixed wire for continuous protection and a removable Essix tray for overnight use, combining the strengths of each.
Looking After Retainers in Thornhill
Expect to replace an Essix retainer every couple of years; Hawley plates last far longer, and bonded wires longest of all. The one thing to watch with a fixed retainer is a wire quietly debonding from a tooth.
If you lose or break a retainer, contact an orthodontist in Thornhill promptly — most can make a replacement Essix within a few days from a scan. In the meantime, wear your old one if it still fits: even a damaged retainer beats none.
Retainer Services in Thornhill
Our database currently lists 2 orthodontic practices in and around Thornhill. ONS classifies Thornhill as urban: Nearer to a major town or city. Thornhill sits within Cardiff and Vale University Health Board for NHS dental commissioning. Census data puts 17.1% of Thornhill's population at under 16. Census 2021 counts 1,342 residents in the neighbourhood around Thornhill, 5.5% of them aged 10 to 15, below the 6.1% average across Cardiff. Measured by orthodontic practices within five miles (21), Thornhill has more choice than 99% of towns in Wales. Thornhill falls in a less deprived area than most of Wales. The nearest university dental hospital to Thornhill is University Dental Hospital of Cardiff, Cardiff, about 2 miles away, where hospital orthodontic referrals are seen. See local practice availability in Thornhill → They typically offer retainer fitting, replacement, and emergency repair appointments. People from Lisvane, Rhiwbina, and Roath Park regularly make use of Thornhill's orthodontic practices for retainer fitting and replacement.
Expect private replacement Essix retainers (per arch) costs in Thornhill to fall roughly between £80 and £150. Most practices can fabricate a replacement from a new scan or impression within a few working days. If you have moved away from your original treating practice, any orthodontic or dental practice in Thornhill can usually provide replacement retainers.
Orthodontic Aftercare in Thornhill
Post-treatment aftercare is arguably the most important phase of orthodontic treatment in Thornhill. How diligently you wear retainers is what separates a lasting result from gradual relapse. This guide covers everything that happens after active treatment ends. People from Lisvane, Rhiwbina and Roath Park regularly visit orthodontists in Thornhill.
Protecting Your Result After Treatment in Thornhill
Two things keep a result stable long-term: a fixed retainer you don't have to think about, and a removable one worn consistently at night. Skipping the removable retainer for even a few weeks is often enough for a tooth to start shifting back.
Frequently Asked Questions — Retainers in Thornhill
Where is the nearest orthodontist to Thornhill?
On our register, the nearest orthodontic practice to Thornhill is Cedars Dental Cardiff in Thornhill, about 0.8 miles to the south. The next closest are North Cardiff Orthodontic Centre (1.0 miles) and Crocodile Orthodontics (1.0 miles).
How many orthodontic practices are near Thornhill?
Our register has 21 practices within 5 miles of Thornhill, 41 practices within 10 miles and 63 practices within 20 miles.
Where can I get a retainer near Thornhill?
The nearest practice to Thornhill that lists retainers is North Cardiff Orthodontic Centre, about 1.0 miles to the south. Others nearby include Crocodile Orthodontics (1.0 miles) and Cardiff Orthodontic Laboratory (1.0 miles).
Which towns are close to Thornhill?
Nearby towns include Plasnewyd, Cyncoed, Cathays.
How deprived is Thornhill compared with the rest of Wales?
By the national deprivation index, Thornhill is less deprived than most of Wales. It doesn't affect NHS orthodontic eligibility, which is decided on clinical need alone.
Which NHS body covers Thornhill for dental care?
NHS dental commissioning in Thornhill falls under Cardiff and Vale University Health Board.
How big is Thornhill?
Thornhill has a population of around 6,635.
What happens if I stop wearing my retainer?
Teeth start drifting back without support — sometimes within weeks, sometimes over months. If a removable retainer stops fitting, don't force it back in; get it checked instead, since catching it early is far cheaper than waiting.
Last updated: October 2026, compiled by the Virtual Consultant Online editorial team from our practice register and public data. Information is for educational purposes only and does not constitute clinical advice; it is not reviewed by a clinician. Sources: NHS, General Dental Council. How we compile our information.
Retainers Across Cardiff
Explore retainers information for other towns and cities in Cardiff — all with dedicated local pages and online assessment access: