ABSTRACT
Objectives: The objective of this study was to identify the anaerobic pigment-forming bacteria present in black stain and correlate its occurrence with dental caries incidence and periodontal destruction. Materials and Methods: A total of 50 healthy subjects with the chief complaint of recurrent black stains were selected based on the inclusion and exclusion criteria. decayed/missing/filled surfaces score, community periodontal index, Gingival Crevicular Fluid (GCF), black stain score, and microbial analysis were done. Results: The data presented indicate that black stain has a constant microflora, dominated by various gram-negative rods, gram-positive cocci and rods (P ≤ 0.1). However, the incidence of gram-positive rods decreased with the increase in plaque score and probing depths and decrease in black stain score. Conclusions: Presence of black stains is predominated by various gram-positive and negative rods, and gram-positive cocci. Increase in the plaque score decreases the severity of black stains, thereby increasing the probability of periodontal destruction and dental caries incidence in adult subjects. Further studies are required to corroborate the results.
ABSTRACT
We report a case of postoperative wound infection due to Mycobacterium chelonae. A 35-year-old woman presented with multiple erythematous nodules, plaques and discharging sinuses over the abdomen, 45 days after she had undergone laparoscopic ovarian cystectomy. The seropurulent discharge from the wound showed acid-fast bacilli on Ziehl- Neelsen stain and culture yielded Mycobacterium chelonae. The patient responded to clarithromycin and doxycycline. The source of infection was probably contaminated water or disinfectant solution used for sterilization of laparoscopic instruments.