Effect of osteopenia and osteoporosis on failure of first and second dental implants: a retrospective observational study.

Purpose: The present study evaluated osteopenia (OPN) and osteoporosis (OP) as risk factors for dental implant failure and repeat failure.

Methods: We performed a retrospective study on over 100 randomly selected patients per analysis to determine the effect of health status, smoking status, sex, implant location and operative conditions on first and second (re-implantation) implant survival. Analyses were conducted first using chi-squared test, followed by multiple logistic regression for significant variables.

Metal Nanoparticles Released from Dental Implant Surfaces: Potential Contribution to Chronic Inflammation and Peri-Implant Bone Loss.

Peri-implantitis is an inflammatory disease affecting tissues surrounding dental implants. Although it represents a common complication of dental implant treatments, the underlying mechanisms have not yet been fully described. The aim of this study is to identify the role of titanium nanoparticles released form the implants on the chronic inflammation and bone lysis in the surrounding tissue.

Interpretations of complications following third molar extraction.

Objective: Surgical removal of third molars is often associated with complications. The aim of the present study was to analyze the incidence of complications following extraction of third molars relative to the risk factors.

Method And Materials: This retrospective study included 463 patients who had mandibular third molar extraction (performed by a single surgeon, DSA) in the years 2001 to 2011.

Long Term Follow-Up of Dental Implants Placed in Autologous Onlay Bone Graft.

Purpose: The aim of this study was to evaluate the efficacy of autologous intraoral onlay bone grafting (OBG) in correlation with long-term survival rates of dental implants placed in the augmented bone.

Materials And Methods: A retrospective study was conducted on 214 patients who received a total of 633 dental implants placed in 224 autologous intraoral block OBG augmentations, combined with Bio-Oss - mixed with platelet-rich plasma (PRP) and covered by platelet-poor plasma (PPP) - as scaffold, with a follow-up time up to 137 months (mean 39.9 ± 30.

The importance of histopathological diagnosis in the management of lesions presenting as peri-implantitis.

Purpose: This study is a histopathological analysis of lesions clinically diagnosed as peri-implantitis (PI).

Materials And Methods: This retrospective study included microscopic findings in 117 peri-implant biopsies from lesions presenting clinical and radiographic features of peri-implantitis.

Results: The study group included 117 biopsies, mean age 55.

Effect of age on single implant submersion rate in the central maxillary incisor region: a long-term retrospective study.

Background: It is contraindicated to place dental implants before growth and development are completed as they are at a risk of submersion due to growth arrest, creating a potential aesthetic problem.

Purpose: The present study evaluated the effect of age on mean submersion rate of single dental implant in the central maxillary incisor area as compared with the adjacent natural tooth in implants placed after growth has ceased.

Materials And Methods: A retrospective study was conducted on 35 patients (mean age 29.

A comparative volumetric study of symphysis donor defects, unfilled or filled with bone substitute.

Objectives: Background Intraoral autogenous bone grafts are a convenient source of bone in reconstruction of the residual ridge before dental implant placement.

Purpose: The aim of this study was to evaluate bone volume of symphysis donor defects filled with bone substitute compared with unfilled symphysis donor defects.

Patients, Materials And Methods: The study included 26 patients who underwent either alveolar ridge reconstruction or maxillary sinus elevation.

Factors affecting changes in sinus graft height between and above the placed implants.

Objective: The aim of this study was to compare the radiographic dimensional changes of sinus graft height above and between placed implants, and evaluate the factors effecting these changes with 2 different grafting materials and both combination.

Study Design: The study group comprised 42 patients (50 sinus augmentation procedures). Four consecutive panoramic radiographs were evaluated for changes in sinus graft height between and above the placed implants.

Apical and marginal bone alterations around implants in maxillary sinus augmentation grafted with autogenous bone or bovine bone material and simultaneous or delayed dental implant positioning.

Objective: A re-pneumatization phenomenon was recorded in sinuses grafted with different materials. The specific aims of this paper were to assess the dental implant survival rate and the behavior of marginal and apical bone remodeling around dental implants placed following sinus augmentation.

Materials And Methods: A retrospective study was conducted on consecutive patients treated in two surgical centers.

Bisphosphonate-related osteonecrosis of the jaw associated with dental implants.

Purpose: Bisphosphonate-related osteonecrosis of the jaw (BRONJ) is a well-documented devastating side effect of long-term bisphosphonate (BP) use. There is scarce information in the literature on BRONJ associated with dental implants (DIs). The purpose of this study was to present a large series of cases of this association.

Symphysis revisited: clinical and histologic evaluation of newly formed bone and reharvesting potential of previously used symphysial donor sites for onlay bone grafting.

Background: This article reports on the reharvesting potential of newly formed bone in previously used symphysial donor sites.

Methods: This study included five patients who were scheduled for sequential onlay bone augmentations prior to dental implant placement using the symphysis area as a donor site. At 5 months after bone augmentation, computed tomography scans of donor sites revealed healing from the first surgery.

Survival of immediately provisionalized dental implants: a case-control study with up to 5 years follow-up.

Purpose: The aim of this study was to evaluate the survival rate of immediately provisionalized implants with up to 5 years follow-up.

Materials And Methods: The study consisted of 226 patients, 113 consecutive patients with immediately provisionalized dental implants (cases) and 113 randomly selected, age-, gender-, and implant position-matched controls with conventional late implant loading. Survival rate and incidence of complications were recorded.

Long-term marginal bone loss around single dental implants affected by current and past smoking habits.

Purpose: To compare the long-term marginal implant bone loss, survival, and radiographic success of single dental implants among current, past smokers, and nonsmokers.

Participants And Methods: The study was based on a consecutive cohort of patients who received single implants between 2 adjacent natural teeth. Only implants with 5 or more years follow-up were considered with no less than 3 follow-up radiographs at different time points with at least 1 year interval between radiographs.

Morphologic changes of the nasopalatine canal related to dental implantation: a radiologic study in different degrees of absorbed maxillae.

Background: Implant rehabilitation of the edentulous anterior maxilla remains a complex restorative challenge. Intricate preexisting anatomy dictates meticulous and accurate osteotomy planning. With progressive bone loss, the alveolar crest may approach anatomic structures.

Failure causes, timing, and cluster behavior: an 8-year study of dental implants.

Objectives: The aim of this study was to analyze implant failure, causes, time of failure, and cluster behavior of implant failure among patients referred to a private surgical center.

Methods: All failed implants placed during the years 1997-2004 were analyzed. Data collected included age, gender, smoking habits, implant type and dimensions, timing of implantation (immediate or nonimmediate), time to failure, and failure causes.

Dental and oral trauma during childhood and adolescence in Israel: occurrence, causes, and outcomes.

The occurrence and causes of oral and dental injuries in a young Israeli population during childhood and adolescence were evaluated, as well as participants' awareness of using protective devices, such as mouth guards, during sporting activities. The survey consisted of 427 young adults, aged 18-21 years. A questionnaire was distributed relating to past oral and dental injuries over their lifetime; type of sporting activity practiced, specifying time, place and cause of injury; and use and awareness of protective devices.

Denture-related osteonecrosis of the maxilla associated with oral bisphosphonate treatment.

Background: Bisphosphonates are a class of agents used to treat various systemic conditions. Despite the benefits of bisphosphonates, osteonecrosis of the jaws is an important complication in a subset of patients who receive this drug treatment.

Case Description: A 66-year-old woman was referred to an oral surgeon at a private surgical center because of a pressure wound in the margins of a removable maxillary denture.

Inter-implant bone height changes in anterior maxillary immediate and non-immediate adjacent dental implants.

Background: The purpose of this study was to evaluate inter-implant bone crest height changes between immediate and non-immediate dental implants placed in the anterior maxillary region.

Methods: A retrospective study was conducted on consecutively treated patients requiring at least two adjacent implants in the anterior maxillary region that were placed in the same operation during 1994 to 2004. Files of 45 healthy patients reporting 200 implants were reviewed.

Multitier technique for bone augmentation using intraoral autogenous bone blocks.

Purpose: Intraoral bone grafts are a convenient and acceptable source of autogenous bone for alveolar reconstruction due to bone origin similarity and less morbidity. In large bone defects, 1 tier might be insufficient to achieve the desired bone shape. The purpose of this article was to describe a multitier technique for reconstruction of extensive bone deficiency, using only intraoral block bone grafts for implant site augmentation.

Survival of immediately provisionalized dental implants placed immediately into fresh extraction sockets.

Background: The aim of this study was to evaluate the survival rate of immediately provisionalized dental implants immediately placed into fresh extraction sockets.

Methods: The study consisted of 87 consecutive patients, ranging in age from 21 to 76 years (average: 53.30 +/- 13.

Effect of stress on information processing in the dental implant surgery setting.

Objectives: Dental implantation is a stressful experience, both physically and psychologically. The effect of anxiety on the patient's ability to process relevant information prior to a stressful clinical situation (implant insertion) was evaluated.

Materials And Methods: The study included 98 healthy patients, scheduled for implant insertion.

Success of dental implants placed in intraoral block bone grafts.

Background: The purpose of this study was to evaluate the survival and success of dental implants placed in alveolar bone following augmentation using intraoral block bone grafts.

Methods: A consecutive retrospective study was conducted on patients who had onlay bone grafts for vertical or horizontal augmentations followed by dental implantation from 1999 to 2001. Files of 50 healthy patients who received 129 implants in augmented sites were reviewed.

Long-term success of implants replacing a single molar.

Background: The aim of this study was to assess the long-term success and survival rates of implants replacing a single molar between two natural teeth and to evaluate the influence of implant characteristics on implant success.

Methods: The study was based on a consecutive cohort of 81 patients who received implants to replace a single molar between the years 1994 and 2004. Inclusion criteria for patients were having an implant replacing a molar between two natural teeth and follow-up data of at least 6 months.