title: Prosthetic treatment of maxillary lateral incisor agenesis with osseointegrated implants: a 24-39-month prospective clinical study.
abstract: OBJECTIVE
  The present study aimed at evaluating the marginal bone resorption and the peri-implant tissue conditions around Narrow-Neck ITI implants in the implant-prosthetic treatment of the agenesis of maxillary lateral incisors.
  
  
  METHODS
  Thirty patients affected by monolateral or bilateral agenesis of the maxillary lateral incisors were selected. Thirty-four ITI-SLA Narrow Neck implants were inserted and loaded about 4 months after the surgical procedure. The final restorations were realized using Aureo Galvan Crowns veneered with feldspathic ceramics. The follow-up period ranged from 24 to 39 months. Both marginal bone resorption and soft tissue quality were evaluated. The data were statistically analysed using analysis of variance (ANOVA) for repeated measures, one-way ANOVA and Tukey's post hoc test (P=0.05).
  
  
  RESULTS
  During the 24-39-month follow-up period, no implant showed either pain and sensitivity or mobility. After 39 months of functional loading, a cumulative survival rate of 97.06% and a cumulative success rate of 94.12% were calculated.
  
  
  CONCLUSIONS
  In case of maxillary lateral incisor agenesis, the implant-prosthetic approach has proved to be a reliable and predictable treatment for both re-establishment of function and aesthetics. Satisfactory values of marginal bone resorption over time and optimal conditions of peri-implant tissue around Narrow-Neck ITI implants were found.
authors.affiliation: Department of Fixed Prosthodontics, University of Naples Federico II, Naples, Italy. zarone@unina.it
authors.forename: Fernando
authors.initials: F
authors.lastname: Zarone
authors.forename: Roberto
authors.initials: R
authors.lastname: Sorrentino
authors.forename: Francesco
authors.initials: F
authors.lastname: Vaccaro
authors.forename: Simona
authors.initials: S
authors.lastname: Russo
mesh_terms: D000328:Adult; D016301:Alveolar Bone Loss / Q000175:diagnosis; D000704:Analysis of Variance; D000848:Anodontia / Q000534:rehabilitation*; D003442:Crowns; D003758:Dental Implantation, Endosseous; D019250:Dental Implants, Single-Tooth; D017267:Dental Prosthesis Design; D019094:Dental Prosthesis, Implant-Supported; D005260:Female; D005889:Gingival Recession / Q000175:diagnosis; D006801:Humans; D007180:Incisor / Q000002:abnormalities*; D008297:Male; D008437:Maxilla; D008875:Middle Aged; D016348:Osseointegration; D010512:Periodontal Index; D011446:Prospective Studies; D018709:Statistics, Nonparametric