How many letters does the top answer for “bone (calcified tissue) surrounding the pulp cavity of a tooth” have?

The most common answer is dentin (6 letters).

Crossword clue: bone (calcified tissue) surrounding the pulp cavity of a tooth

2 answers found in Letterora's clue database (Wikidata facts, Open Trivia DB, WordNet and Webster definitions — all licensed sources).

dentin 6 letters wn-def

bone (calcified tissue) surrounding the pulp cavity of a tooth

dentine 7 letters wn-def

bone (calcified tissue) surrounding the pulp cavity of a tooth