Our doctors
Review the documented training of Miguel Asenjo and Carlos Contreras Columna, their clinics, and questions about who would provide your care.
- Punta Cana
- Santo Domingo
- Biographies awaiting approval
- 3 min read
- 3 sections
Two career paths
Meet the doctors
Only facts supported by documents or sources appear here. One doctor's experience does not establish the other's qualifications.
Punta Cana
Dr. Miguel Asenjo
Dentist trained in dental prosthetics and oral implantology, the replacement of teeth with implantsAsenjo One Visit Dentistry
Documented facts
- Dentistry degree from Universidad Autónoma de Santo Domingo, 1999
- Specialization in dental prosthetics, Universidad de Itaúna, Brazil
- Master's degree in dentistry, Universidad de São Paulo
- Specialty in oral implantology, Universidad Central del Este, registered in 2026
- Course in immediate loading, placing replacement teeth soon after implants, International Implant Foundation, accredited in 2024
According to the academic documents published by the doctor.
Santo Domingo
Dr. Carlos Contreras Columna
Oral and maxillofacial surgeon, specializing in the mouth, jaws and faceS.O.I. FACE
Documented facts
- Maxillofacial surgery resident in Monterrey, according to a thesis from Universidad Autónoma de Nuevo León
- Speaker at the Colegio Dominicano de Odontólogos congress, 2022
- Dentistry degree from UNIBE, according to his profile at that professional association
- Training in São Paulo on sleep apnea, pauses in breathing during sleep, and the jaw joint, according to the same profile
According to the Colegio Dominicano de Odontólogos and the university thesis.
How to check who will treat you
Check each item when you have the answer. Nothing is saved or sent.
- Full name of the person performing each part of the treatment
- Exequátur, the Dominican authorization to practice
- Documents confirming their specialty
- Experience with the proposed procedure
- Who answers your clinical questions afterward
- Who provides checkups in your chosen city
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Dr. Miguel Asenjo and Dr. Carlos Contreras Columna practice in the Dominican Republic. Each has a different background. One doctor’s experience and credentials do not establish the other’s work.
Hexa Smile coordinates contact. The clinic’s professionals evaluate patients and provide treatment. These biographies await the doctors’ written approval. The clinical content is awaiting medical review.
Dr. Miguel Asenjo
Dr. Asenjo graduated in dentistry from the Universidad Autónoma de Santo Domingo in 1999. He publishes academic documents supporting that education and his authorization to practice dentistry.
He completed specialty training in dental prosthetics at the Universidad de Itaúna in Brazil. Dental prosthetics focuses on replacing teeth and restoring their function. He also earned a master’s degree in dentistry at the Universidad de São Paulo.
His published documents include a specialty in oral implantology from the Universidad Central del Este, registered in 2026. Implantology concerns implants used to support replacement teeth. His training also includes an immediate-loading course from the International Implant Foundation, certified in 2024. Immediate loading means placing fixed teeth soon after implants in selected cases.
He leads Asenjo One Visit Dentistry in Punta Cana. His website provides copies of degrees and certificates. You can check the institution and the name of each qualification. Those documents do not promise a treatment outcome.
Dr. Carlos Contreras Columna
Dr. Contreras is an oral and maxillofacial surgeon. This specialty treats conditions of the mouth and facial bones. A thesis from the Universidad Autónoma de Nuevo León identifies him as a maxillofacial surgery resident and supports his training in Monterrey.
The official program of the Dominican College of Dentists’ 2022 congress lists him as a speaker. His topic was the use of custom implants in maxillofacial surgery.
According to his profile with that college, he graduated in dentistry from UNIBE. The same profile describes training in São Paulo on sleep apnea and the jaw joint. Sleep apnea means repeated pauses in breathing during sleep. These statements are attributed to that profile.
His clinic is S.O.I. FACE in Santo Domingo. The address for Hexa Smile patients is to be confirmed. A directory listing does not confirm where your appointment would take place.
Check who would provide your care
Ask for the full name of the professional responsible for each part of treatment. Request their exequatur, the Dominican authorization to practice, and relevant specialty documents. Ask about experience with the specific procedure being proposed.
The team assigned to each case is to be confirmed. Do not assume both doctors would take part in the same surgery. The person evaluating you, the surgeon, and the person preparing the prosthesis may have different roles. A prosthesis is the device that replaces teeth.
Before booking, ask who would answer clinical questions after treatment and who would handle checkups in the city where you receive care.
Sources
The first step is getting to know us
The doctor evaluates each case. Not every case qualifies.