Clinical outcome of metal- and all-ceramic resin-bonded fixed dental prostheses

Abstract

The aim of this retrospective cohort study was to investigate the long-term outcome of metal-and all-ceramic resin-bonded fixed dental prosthesis (RBFDP) up to 17 years, and to evaluate potential factors influencing the risk for complications. Methods: Patients who were treated with RBFDP to replace teeth in the anterior or first premolar region in an university setting were identified from electronic records. Data collection comprised dental and periodontal parameters, periapical radiographs, and assessment of the RBFDP. Patientreported satisfaction was evaluated on visual analog scales (VAS), and 5-year cumulative survival and success rates were calculated. Cox regression models were used to compare metal-versus all-ceramic RBFDPs. Results: Seventy-one patients with RBFDP replacing 65 anterior teeth and 6 premolars were included with a mean observation period of 56.1 (±42.7) months. RBFDP cumulative survival rate was 86.7% and cumulative success rate 71.7% after 5 years, with no significant difference between metaland all-ceramic RBFDPs. The risk for RBFDP failure was significantly higher with more than one pontic (OR 6.1; p=0.033), or negative pulp vitality testing of abutments (OR 7.3; p=0.042), while complications tended to be increased with two-wings compared to one-wing RBFDP (OR 5.4; p=0.054). Conclusions: Metal-and all-ceramic RBFDPs facilitated good long-term results, particularly with one-wing, one-cantilever, and vital abutment teeth.

Incidence and influential factors in pulp necrosis and periapical pathosis following indirect restorations: a systematic review and meta-analysis

“…Eight studies used subjective methods [ 4 , 17 , 23 , 24 , 33 , 37 , 45 , 49 ], twenty-four studies used objective methods [ 1 , 6 , 22 , 25 – 27 , 30 – 32 , 34 , 36 , 39 – 44 , 46 – 48 , 50 – 53 ], and five studies used periapical radiographs [ 21 , 28 , 29 , 35 , 38 ] to evaluate the incidence of pulp necrosis following indirect restoration. The incidence of pulp necrosis was highest in teeth assessed using objective tools (5.66%), followed by periapical radiographs (4.95%), and subjective examination (3.91%).…”

“…Five studies did not report the type of fabrication material used in the construction of indirect restorations [ 6 , 22 , 28 , 39 , 51 ], while twenty-two studies included different types of fabrication materials [ 4 , 17 , 24 – 27 , 29 – 38 , 40 , 44 , 45 , 47 , 52 , 53 ]. A subgroup meta-analysis of the ten studies [ 1 , 21 , 23 , 41 – 43 , 46 , 48 – 50 ] that used a single type of fabrication material (ceramic or porcelain-fused-to-metal [PFM]) was thus performed.…”

“…Twenty-nine studies reported the type of permanent cement used for indirect restorations [ 4 , 17 , 21 , 23 , 25 – 28 , 30 – 34 , 36 – 38 , 40 – 50 , 52 , 53 ]. Of these, seventeen studies used a single type of permanent cement for cementation of indirect restorations [ 17 , 21 , 23 , 26 – 28 , 31 , 32 , 38 , 41 – 44 , 46 , 47 , 50 , 53 ], and sixteen of these were included in the meta-analysis [ 17 , 21 , 23 , 26 – 28 , 31 , 32 , 38 , 41 – 44 , 46 , 47 , 53 ]. Teeth cemented with Glass Ionomer Cement (GIC) had the highest incidence of pulp necrosis (5.33%), followed by zinc phosphate cement (4.92%), and resin (3.37%).…”

“…Twenty-nine studies reported the level of practitioner training during the placement of indirect restorations on vital teeth [ 4 , 6 , 17 , 21 , 24 , 26 , 28 , 30 , 31 , 33 – 40 , 42 – 50 , 52 , 53 , 55 ]. Ten studies included more than one level of training without specifying the incidence of pulp necrosis for each training level [ 21 , 24 , 30 , 31 , 36 , 38 , 42 , 49 , 53 , 55 ].…”

Influence of Resin Cement Thickness and Elastic Modulus on the Stress Distribution of Zirconium Dioxide Inlay-Bridge: 3D Finite Element Analysis

“…Panavia and Variolink resin cements were selected for the present study because they are often used in FEA and clinical study. Additionally, cements with extreme values of elastic modulus were applied to better illustrate the influence of mechanical properties on the stress distribution [22][23][24][25][26][27].…”