Abstract
Zygomatic implant (ZI) is an option of the edentulism. Complications associated with ZI are maxillary sinusitis and soft tissue recession. The Zygoma Anatomy-Guided Approach (ZAGA), reduce the complications of the Original zygomatic intra-sinus Surgical technique (OI-ST). Study Aims: 1) report and compare the prevalence of sinus complications between ZAGA and OI-ST. 2) propose therapeutic guidelines for sinus. Material and Methods: ZAGA has been proposed to reduce the complications of the OI-ST. Results: Statistically significant increase of the "Modified Lund Mackay" (MLM) score (was noted in CT of patients after ZI surgery in comparison with the pre-surgical Lund-Mackay (LM) score (t=5, 0, p<.0005). Our study indicates that patients who underwent the ZI surgery according to the OI-ST. (M = 2.93, SD = 3.65) demonstrated a significantly higher ML-M score (t = 2.99, p < .003) compared to the patients operated with the ZAGA Concept (M = 1.52, SD = 2.36). Conclusions: ZI procedures can lead to sinus alterations. Significant differences have been found between two different approaches.
Highlights
Severe tooth loss and edentulism is one of the leading causes of disability in some high-income countries
Our study indicates that patients who underwent the Zygomatic implant (ZI) surgery according to the Original zygomatic intra-sinus Surgical technique (OI-ST). (M = 2.93, SD = 3.65) demonstrated a significantly higher ML-M score (t = 2.99, p < .003) compared to the patients operated with the Zygoma Anatomy-Guided Approach (ZAGA) Concept (M = 1.52, SD = 2.36)
ZI procedures can lead to sinus alterations
Summary
Severe tooth loss and edentulism is one of the leading causes of disability in some high-income countries. Loss of natural tooth increases with age and, due to demographic changes (ageing population), is still a frequent condition, even with better dental care. Tooth loss has a broad impact on general and psychological health. It limits an individual’s capacity in biting, chewing, smiling and speaking; it distorts facial support and aesthetics, and leads to decreased self-esteem and lower quality of life. Loss of masticatory pressure in areas of missing teeth is followed by the bone resorption of maxilla, first the alveolar process and afterward basal bone, which are a challenge in prosthetic rehabilitation. Lack of the alveolar bone prevents retention of a standard prosthesis, and the placement of conventional implants is impossible due to insufficient bone tissue for its anchorage
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