Coursebooks are normally written to contain information, instruction, exposure, and activities that learn- ers at a particular level need to enhance their communicative competence in the target language. Howev- er, many global course books make attempts to include content, topics, and texts that do not disadvantage any learner around the world. That is why global course books normally do ...

Composite & free-hand bonding: a new array of indications and layering concept The main issue when it comes to restore a smile is whether we should consider a direct or indirect option; besides minor aesthetic corrections or extensive decays in non-vital teeth, a lot of cases lie within a ‘grey zone’ where almost all possible techniques and materials can be considered. A simple yet effective ap...