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Oral XXI - Medical Dental Clinic

Lisbon, Portugal

4.6 out of 5, from 55 aggregated reviews

Oral XXI is a medical dental clinic on Avenida da República in Lisbon, Portugal, founded by two experienced dentists. Offers implants, orthodontics, and aesthetic dentistry.

  • 55 Patient reviews aggregated
  • 26 Photographs of the practice

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The practice

Photographs of the clinic.

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Patients

What patients wrote about this clinic.

55 aggregated from Google. Screened for duplication and printed as written. They are not visit-verified.

4.6

out of 5, from 55 reviews

5 49
4 0
3 0
2 1
1 5
Clara Paiva via Google 5.0 out of 5
Clean, excellent location/transportation (central), and I didn't have to wait. I liked it! I'll continue to come here.
Reply from the clinic

On behalf of the entire Oral XXI team, we are delighted with the feedback and trust. Thank you, Clara!

anabela baptista via Google 5.0 out of 5
Friendly staff, punctual, simple and unpretentious environment. Effective. I recommend it.
Reply from the clinic

How wonderful to know that Anabela enjoyed it! Our mission is to prioritize quality and excellent service. Thank you for your trust. Come back anytime! Oral XXI Team

Teresa Ferreira via Google 5.0 out of 5
Excellent service! Friendly and diligent staff. Competent professionals attentive to patients' needs. Clean and well-maintained space. I recommend it!
Reply from the clinic

We are delighted to hear that you are satisfied with our service! Thank you for your feedback and trust in our team. Oral XXI

Paulo Amaro via Google 5.0 out of 5
My experience with Dr. Raquel Fernandes, hand therapist in 2024, was very positive. I had wrist surgery for a fractured scaphoid bone in 2009. Recovery was lengthy due to 14 years with a fractured scaphoid bone. Today I am much better and no longer need to wear wrist braces. I can only thank the entire team, Dr. Raquel, Joana (physiotherapy), Ridi (receptionist), and Shivani (receptionist). They…
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are spectacular human beings I will never forget. Kisses, until next time.

Reply from the clinic

We are happy to help! Count on us if you need anything. Our team is at your disposal. We loved hearing that you are satisfied with our service! Thank you for the feedback! Oral XXI Team

Leydi Reyes via Google 5.0 out of 5
It was very good, everything in the reception and the dentist were very kind
Reply from the clinic

We are very happy with your feedback! Our reward is seeing satisfied patients like Leydi Reyes. Thank you! Oral XXI Team

haydee amengual via Google 5.0 out of 5
Everything was amazing! Dr. Amanda is the best 💙 …
Reply from the clinic

We're delighted to hear you're satisfied with our service! Thank you, Haydee, for your feedback. Come back anytime! Oral XXI Team

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At a glance

Oral XXI - Medical Dental Clinic in brief.

Clinic
Oral XXI - Medical Dental Clinic
Location
Lisbon, Portugal
Patient rating
4.6 out of 5, from 55 aggregated reviews
Listed as
A listed clinic, not a featured partner. How we check.
Listing checked
27 March 2026

About

What this clinic actually does.

Oral XXI - Medical Dental Clinic is a comprehensive dental practice located on Avenida da República in the heart of Lisbon, Portugal. Founded by two experienced dentists, the clinic occupies a prime position on one of Lisbon's most prominent avenues, making it easily accessible for both local residents and international visitors. Oral XXI provides a wide spectrum of dental services ranging from routine check-ups and cleanings to advanced implantology, orthodontics, and aesthetic treatments, all delivered by a qualified multidisciplinary team with decades of combined experience.

The clinic's medical director, Dr. Priesh Ramniklal, graduated in Dental Medicine from ISCS-South in 1996 and holds registration OMD 1666 with the Portuguese Dental Association. Together with colleagues Dr. Sandra Marx, who specialises in orthodontics, and Dr. Carmen Santana, who brings expertise in oral surgery, endodontics, and orthodontics, Oral XXI offers patients in Lisbon access to a team that covers virtually every area of modern dentistry under one roof.

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Treatments & Specialties

Oral XXI in Lisbon delivers a broad range of dental treatments designed to address the needs of patients at every stage of life. The clinic's key service areas include:

  • Dental Implants — Comprehensive implant solutions for single-tooth replacement, multiple missing teeth, and full-arch rehabilitation. The clinic's surgical expertise supports patients who require bone grafting or other preparatory procedures before implant placement.
  • Orthodontics — Both traditional braces and modern Invisalign clear aligner therapy, overseen by specialists with dedicated orthodontic training. Dr. Sandra Marx brings extensive orthodontic experience to the practice.
  • Aesthetic DentistryPorcelain veneers, dental bonding, and professional teeth whitening to enhance smile aesthetics and boost patient confidence.
  • EndodonticsMechanised root canal treatments using modern rotary instruments for faster, more precise procedures with improved patient comfort. Dr. Carmen Santana has graduate-level training in endodontic techniques.
  • Oral SurgeryTooth extractions, wisdom tooth removal, and surgical procedures to support implant placement and treat complex dental conditions.
  • ProsthodonticsFixed and removable dentures, dental crowns, and bridges to restore dental function and appearance for patients with missing or damaged teeth.
  • Periodontal Treatment — Diagnosis and management of gum disease, including deep cleaning, scaling, and root planing to preserve the health of supporting structures around the teeth.
  • Pediatric Dentistry — Child-friendly dental care including examinations, fluoride applications, preventive treatments, and education to establish good oral health habits from an early age.
  • TMJ Treatment — Specialised care for patients experiencing temporomandibular joint disorders, jaw pain, and related symptoms.
  • Medical Aesthetics — Non-surgical wrinkle treatment and facial rejuvenation procedures that complement dental aesthetic work.

Technology & Facilities

Oral XXI is equipped with modern dental technology to support accurate diagnostics and effective treatment delivery. The clinic utilises digital imaging for treatment planning and patient consultations, allowing clinicians to present clear visual explanations of proposed treatments. Mechanised endodontic systems represent one of the clinic's notable technological investments, enabling root canal procedures that are faster and more comfortable than traditional manual techniques.

The facility on Avenida da República in Lisbon is designed to provide a comfortable and professional environment for patients. Treatment rooms are equipped with contemporary dental chairs and instrumentation, and the clinic maintains rigorous hygiene and sterilisation protocols in accordance with Portuguese healthcare regulations. The multidisciplinary team structure means that patients requiring treatment across several specialties can receive coordinated care without being referred to external practices.

Why Choose Oral XXI in Lisbon

There are several compelling reasons to choose Oral XXI for dental care in Lisbon. The clinic's multidisciplinary team — led by dentists with training spanning Portugal, Brazil, and international continuing education programmes — brings diverse expertise and perspectives to patient care. With team members registered since the mid-1990s, the practice benefits from nearly three decades of clinical experience in the Portuguese dental landscape.

Lisbon has become an increasingly attractive destination for dental tourism, offering high-quality dental care at prices significantly below those found in Northern Europe, the UK, and North America. Oral XXI's central location on one of the city's main thoroughfares makes it an especially convenient option for international patients, who can easily combine treatment with the cultural and culinary experiences that Lisbon is renowned for.

The clinic maintains a 100% recommendation rate from patient reviews, reflecting consistent satisfaction with both clinical outcomes and the overall patient experience. The team's ability to provide comprehensive care — from initial diagnostics through to complex surgical and restorative procedures — within a single practice streamlines the treatment process and ensures continuity of care.

Patient Experience

Oral XXI operates Monday through Friday from 10:00 am to 1:00 pm and 2:00 pm to 7:00 pm, with Saturday morning hours from 10:00 am to 1:00 pm, providing flexibility for patients who need to work around professional or travel schedules. The clinic welcomes private patients and offers transparent pricing for all treatments.

The patient journey at Oral XXI begins with a thorough initial consultation, during which the dental team assesses oral health, discusses patient concerns and goals, and develops a personalised treatment plan. For international visitors to Lisbon, the clinic can coordinate scheduling to maximise treatment efficiency during a limited stay. The team's multilingual capabilities facilitate clear communication with patients from diverse backgrounds.

Patient reviews consistently highlight the professionalism and friendliness of the staff, the quality of clinical work, and the comfortable atmosphere of the clinic. The practice's founding by two dentists with a shared vision for accessible, high-quality dental care continues to shape the patient-centred culture at Oral XXI.

Location

Oral XXI - Medical Dental Clinic is located at Avenida da República 43, 1050-187 Lisboa, on one of Lisbon's most important and well-connected avenues. The clinic is situated near the Saldanha area, a major commercial and transport hub in central Lisbon. The Saldanha metro station, which serves both the Yellow and Red lines, is just minutes away on foot, providing direct connections to most areas of the city.

The Avenida da República corridor offers excellent amenities for visitors, including hotels ranging from business to luxury class, diverse dining options, and proximity to cultural attractions such as the Gulbenkian Museum and Parque Eduardo VII. Lisbon Humberto Delgado Airport is approximately 15 minutes from the clinic by taxi or metro, making Oral XXI a convenient choice for dental tourism patients arriving from abroad.

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