Rivera is a surname of Spanish and Italian origin which was the old spelling of ribera, the Spanish word of âriverbankâ. The name Rivera is a Northern Italian variation of the Southern (Sicily) Ribera name. Other forms of spellings:Riva, Rivero, Riviere, Riba, just to name a few. Rivera is also a French surname.
The first baby teeth to fall out are typically the two bottom front teeth (lower central incisors) and the two top front teeth (upper central incisors), followed by the lateral incisors, molars and canines. Molars typically fall out between ages 9 and 12 and are replaced by permanent teeth by about age 13.
2. Examine the inside of your baby's mouth for bulging gums. When babies begin teething, the outlines of their teeth will become visible near their gum line. In most cases, the bottom front teeth will be the first teeth to visibly display in your baby's mouth.1  Use your finger and gently pull back your baby's lip to determine if their gums are bulging.. Examine your baby for signs of increased biting activity. When your baby's gums experience pressure and pain caused by teething, they may begin biting objects to help relieve their pain.