Peri-implant mucosal inflammation and bone loss: clinical and radiographic evaluation of 108 dental implants after 1-year loading.
OBJECTIVE
To evaluate the clinical outcomes, and a possible correlation between peri-implant mucosal inflammation and marginal bone loss, 1 year after restoration in a group of Chinese patients with dental implants.


METHODS
Observation of the clinical and radiographic parameters of 108 IMZ and Frialit-2 dental implants in 70 patients.


RESULTS
One year after loading, there were no signs of mobility and peri-implant radiolucency in any of the implants. The average bone loss adjacent to implants was 0.63 mm (SD 0.78). The prevalence of peri-implant mucosal inflammation, as indicated by sulcus bleeding index (SBI) of 1.0 or more, was 32.9%. Significant positive correlation was found between mucosal inflammation and bone loss (P < 0.05). 92% of the observed sites had plaque index (PLI) scores greater than 1.


CONCLUSIONS
The 1-year outcomes from this patient group indicate that IMZ and Frialit-2 implants provide satisfactory clinical results. One of the etiologic factors of alveolar bone loss around implants seems to be plaque-associated marginal inflammation. Improvement of oral hygiene, elimination of soft tissue inflammation, and proper treatment of periodontal disease of natural teeth are critical for maintaining the implants.
Tang
Z
Z
Department of Periodontology, School of Stomatology, Beijing Medical University, Beijing 100081, P. R. China.
Sha
Y
Y
Lin
Y
Y
Zhang
G
G
Wang
X
X
Cao
C
C
D000293:Adolescent; D000328:Adult; D016301:Alveolar Bone Loss / Q000145:classification* / Q000000981:diagnostic imaging; D000704:Analysis of Variance; D003442:Crowns; D015921:Dental Implants / Q000009:adverse effects; D003774:Dental Plaque Index; D017267:Dental Prosthesis Design; D017268:Dental Prosthesis Retention; D019094:Dental Prosthesis, Implant-Supported; D003830:Denture, Partial, Fixed; D005260:Female; D005500:Follow-Up Studies; D005884:Gingival Hemorrhage / Q000145:classification; D006801:Humans; D008297:Male; D008875:Middle Aged; D009910:Oral Hygiene; D016348:Osseointegration; D010512:Periodontal Index; D010514:Periodontal Pocket / Q000145:classification; D010518:Periodontitis / Q000145:classification* / Q000000981:diagnostic imaging / Q000628:therapy; D015995:Prevalence; D011859:Radiography; D013223:Statistics as Topic; D018709:Statistics, Nonparametric; D016896:Treatment Outcome
D015921:Dental Implants