Ivan Sarcev

Influence of surgical sutures on wound healing.

Historical data on closing and suturing of surgical wounds describe a wide range of various suture materials. The choice of the surgical catgut, i.e. the type and diameter, depends on the locality, characteristics and condition of the tissue to be treated. From the standpoint of oral-surgical practice the following clinical parameters are of outstanding importance with respect to the selection of suture material: accumulation of soft deposits on the sutures, score of the adjacent soft tissues and dehiscence of the operative wound. Our prospective clinical study included 150 patients distributed into three groups of 50 subjects. The surgical procedure performed on each patient involved resection (apicotomy) of the tooth root end in the intercanine sector of the upper jaw. The following suture materials were applied: Black Silc 5-0, Nylon 5-0 and Vicryl 5-0. The effects of the selected sutures were evaluated according to the wound dehiscence. The effects of the applied sutures were recorded on Days 2, 5 and 7 after the surgery. The comparison of cited parameters of the investigated materials after suturing the oral mucosa revealed that none of the used material was ideal; however, a certain advantage might be given to the synthetic monofilament suture materials.

Choice of surgical suture material used in oral cavity: Clinical study

INTRODUCTION Historical data on closing and suturing of surgical wound describe a wide range of various suture materials. The choice of the surgical catgut, i.e. type and diameter, depends on the localization, characteristics and condition of the tissue to be treated. From the standpoint of oral-surgical practice the following clinical parameters are of the outstanding importance regarding the choice of suture material: accumulation of soft deposits on the sutures, decubitus of the adjacent soft tissues and dehiscence of the operative wound. AIM The aim of this research was to determine the correlation between different types of suture materials and accumulation of soft deposits on the sutures, decubitus of the adjacent soft tissues and dehiscence of the operative wound. MATERIAL AND METHODS Our prospective clinical study included 150 patients distributed into three groups of 50 subjects. The surgical procedure performed on each patient involved resection (aplicoectomy) of the tooth root end in the intercanine sector of the upper jaw. The following suture materials were applied: BLACK SILK 5-0, NYLON 5-0 and VICRYL 5-0. The effects of the selected sutures were evaluated by using several parameters: accumulation of soft deposits, wound dehiscence and decubitus of the adjacent soft tissues. The effects of the applied sutures were recorded on days 2, 5 and 7 after the surgery. CONCLUSION The comparison of cited parameters of the investigated materials of ter suture of oral cavity mucosa revealed that none of the used material was ideal; however a certain preference might be given to the synthetic monofilament suture materials.

Mechanical resistance of restored teeth with extensive crown damage

Introduction. Extensively damaged teeth can be restored by different core build-up materials. The aim of this study was to examine the mechanical properties of the restored maxillary premolars with composite resin, dental amalgam and glass ionomer cement (GIC) using compressive strength test. Materials and methods. Forty extracted intact human maxillary premolars were used in this study. Artificial defect in dentin was prepared using diamond bur up to the half of the anatomic crown of the tooth. After core build-up procedure, each tooth specimen was mounted in auto polymerizing acrylic resin blocks 2 mm below cement enamel junction and they were kept in distilled water at 37°C one day before testing. Then, they were placed in specially adapted devices at the angle of 183° to the longitudinal axis and subjected to a controlled load of 1 mm per minute. Results. Results showed that the best mechanical properties had samples restored with resin composite (492.5 N), then with amalgam (341.2 N) and glass ionomer cement (171.8 N). Comparing the fracture force using ANOVA, there was statistic significance between these groups (p<0.01). There were significant differences among control group and restored teeth with composite resin, amalgam and GIC. There was no significant difference in values of fracture forces between groups with composite resin and amalgam. The fracture force corresponding to the teeth restored with the GICs was significantly lower compared to the control group and the group with composite resin and amalgam. Conclusion. Satisfactory mechanical properties of restored premolars were obtained using composite resin and dental amalgam as a core build-up material.