41. Little Zellner died at the age of 9 months of dehydration while teething . 42. A range of advanced versions were also developed during the lengthy teething period. 43. Calomel was commonly used in infant teething powders in the 1930s and 1940s. 44. The Beaufighter went through a teething stage in relation to its gun sight. 45. Introduction was rapid, but teething troubles soon emerged. 46. The aircraft had few design flaws and any teething problems were quickly overcome. 47. Madeline is concerned about something else, however : Grace has begun teething . 48. Hyland's has been selling homeopathic teething tablets since at least 1925. 49. Sundberg advised working on the snout area of aggressive, mouthy or teething dogs. 50. Serves 45 teething infants, one sumo wrestler or six fairly normal newspaper readers.