ZYGOMATIC IMPLANT COMPLICATED WITH RECURRENT ORO-ANTRAL COMMUNICATION
Constantinus Politis
MD, DDS, PhD, Head
Department of Oral and Maxillofacial Surgery, Leuven University Hospitals,
Department of Imaging and Pathology, KULeuven, Belgium
Dr. Constantinus Politis is Oral and Maxillo-Facial Surgeon. He is currently Professor and
Chairperson of the Department of Oral and Maxillofacial Surgery at Leuven University,
KULeuven, Belgium. He is invited Lecturer at the EHSAL in Brussels. He graduated at the Catholic
University of Leuven in medicine (MD, summa cum laude), in dentistry (DDS, magna cum laude).
He specialized in oral and maxillofacial surgery at the Catholic University of
Leuven. Postgraduate training was additionally followed in Arnhem (Stoelinga),
Aachen (Koberg), Copenhagen (Pindborg), Göteborg (Bränemark) and San
Francisco (Marx). He also holds a master degree in management (MM) from
the Applied Economic Scienes at the University of Hasselt and a master
degree in Hospital Management (MHM) from the Catholic University of
Leuven. He became a recognition as medical specialist in management of
health care data and is now member of the National Council of Hospital Facilities. He is Secretary
General of the Professional Union of Belgian Oral and Maxillofacial Surgeons.
He is acknowledged trainer of OMFS trainees. He defended his doctor’s thesis on the subject of
complications of orthognathic surgery (PhD).
His professional field of intrest is in orthognathic and orthodontic surgery and trigeminal nerve
dysfunction. Clinical research projects include prevention and repair of iatrogenic trigeminal
nerve injury; transplantation of teeth and orthognathic surgery.
CV
Questions
Which of following is not a complication of zygomatic implants?
q a.
q b.
q c.
q d.
Implant fracture;
Blindness;
Oro-antral communication;
Perforation of the skin.
Stella’s technique of zygomatic implant insertion requires:
q a.
q b.
q c.
q d.
A sinus slot approach;
A sinus lift preceding implant placement;
A drilling guide;
An extrasinus approach.
The most frequent zygomatic implant lengths are between:
q a.
q b.
q c.
q d.
20 - 30 mm;
30 - 40 mm;
40 - 50 mm;
50 - 60 mm.
The zygomatic implant techniques advocated by Branemark, Stella, Maló result in
surrounding bone contact to following part of the total zygomatic implant length:
q a.
q b.
q c.
q d.
152
More than 50%;
More than 75%;
Approximately one third;
Less than 25%.
STOMA.EDUJ (2015) 2 (2)